diff --git a/installer/release/lang_utf8/English.lng b/installer/release/lang_utf8/English.lng
index 5ae5f2103..3bfdec2d5 100644
--- a/installer/release/lang_utf8/English.lng
+++ b/installer/release/lang_utf8/English.lng
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=Punctuation, Block Elements, Shade
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=Middle dots (U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=Mapping DEC Special Graphics to Unicode
 
-DLG_WIN_TITLE=Tera Term: Window setup
+DLG_WIN_TITLE=Window
 DLG_WIN_TITLELABEL=&Title:
 DLG_WIN_CURSOR=Cursor shape
 DLG_WIN_BLOCK=B&lock
diff --git a/installer/release/lang_utf8/French.lng b/installer/release/lang_utf8/French.lng
index d7412219f..e8cb52a97 100644
--- a/installer/release/lang_utf8/French.lng
+++ b/installer/release/lang_utf8/French.lng
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=Punctuation, Block Elements, Shade
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=Middle dots (U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=Mapping DEC Special Graphics to Unicode
 
-DLG_WIN_TITLE=Tera Term:Fenêtre de Configuration
+DLG_WIN_TITLE=Fenêtre
 DLG_WIN_TITLELABEL=&Titre:
 DLG_WIN_CURSOR=Forme du curseur
 DLG_WIN_BLOCK=B&loc
diff --git a/installer/release/lang_utf8/German.lng b/installer/release/lang_utf8/German.lng
index abad834cb..869ff460c 100644
--- a/installer/release/lang_utf8/German.lng
+++ b/installer/release/lang_utf8/German.lng
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=Punctuation, Block Elements, Shade
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=Middle dots (U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=Mapping DEC Special Graphics to Unicode
 
-DLG_WIN_TITLE=Fenster-Einstellungen
+DLG_WIN_TITLE=Fenster
 DLG_WIN_TITLELABEL=Titel
 DLG_WIN_CURSOR=Cursor-Aussehen
 DLG_WIN_BLOCK=Block
diff --git a/installer/release/lang_utf8/Japanese.lng b/installer/release/lang_utf8/Japanese.lng
index 0dd3136cd..a5abcf2d2 100644
--- a/installer/release/lang_utf8/Japanese.lng
+++ b/installer/release/lang_utf8/Japanese.lng
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=中点(U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=DEC Special GraphicsをUnicodeへマッピングする
 
-DLG_WIN_TITLE=Tera Term: ウィンドウの設定
+DLG_WIN_TITLE=ウィンドウ
 DLG_WIN_TITLELABEL=タイトル(&T):
 DLG_WIN_CURSOR=カーソルの形
 DLG_WIN_BLOCK=四角(&L):
diff --git a/installer/release/lang_utf8/Korean.lng b/installer/release/lang_utf8/Korean.lng
index 294d66e18..d7e361d53 100644
--- a/installer/release/lang_utf8/Korean.lng
+++ b/installer/release/lang_utf8/Korean.lng
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=Punctuation, Block Elements, Shade
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=Middle dots (U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=Mapping DEC Special Graphics to Unicode
 
-DLG_WIN_TITLE=Tera Term: 창 설정
+DLG_WIN_TITLE=창
 DLG_WIN_TITLELABEL=타이틀(&T):
 DLG_WIN_CURSOR=커서 모양
 DLG_WIN_BLOCK=블럭(&L)
diff --git a/installer/release/lang_utf8/Russian.lng b/installer/release/lang_utf8/Russian.lng
index ce1eef632..970f67448 100644
--- a/installer/release/lang_utf8/Russian.lng
+++ b/installer/release/lang_utf8/Russian.lng
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=Punctuation, Block Elements, Shade
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=Middle dots (U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=Mapping DEC Special Graphics to Unicode
 
-DLG_WIN_TITLE=Tera Term: Настройка окон
+DLG_WIN_TITLE=окон
 DLG_WIN_TITLELABEL=&Название:
 DLG_WIN_CURSOR=Вид курсора
 DLG_WIN_BLOCK=&Блок
diff --git a/installer/release/lang_utf8/Simplified Chinese.lng b/installer/release/lang_utf8/Simplified Chinese.lng
index 2df8660f4..1fa0bdf81 100644
--- a/installer/release/lang_utf8/Simplified Chinese.lng	
+++ b/installer/release/lang_utf8/Simplified Chinese.lng	
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=Punctuation, Block Elements, Shade
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=Middle dots (U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=Mapping DEC Special Graphics to Unicode
 
-DLG_WIN_TITLE=Tera Term：窗口设置
+DLG_WIN_TITLE=窗口
 DLG_WIN_TITLELABEL=标题(&T)：
 DLG_WIN_CURSOR=光标形状
 DLG_WIN_BLOCK=块状(&L)
diff --git a/installer/release/lang_utf8/Spanish.lng b/installer/release/lang_utf8/Spanish.lng
index 0fd15880f..129558937 100644
--- a/installer/release/lang_utf8/Spanish.lng
+++ b/installer/release/lang_utf8/Spanish.lng
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=Punctuation, Block Elements, Shade
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=Middle dots (U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=Mapping DEC Special Graphics to Unicode
 
-DLG_WIN_TITLE=Tera Term: Window setup
+DLG_WIN_TITLE=Window
 DLG_WIN_TITLELABEL=&Title:
 DLG_WIN_CURSOR=Cursor shape
 DLG_WIN_BLOCK=B&lock
diff --git a/installer/release/lang_utf8/Tamil.lng b/installer/release/lang_utf8/Tamil.lng
index b1c177d34..a430ece22 100644
--- a/installer/release/lang_utf8/Tamil.lng
+++ b/installer/release/lang_utf8/Tamil.lng
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=நிறுத்தம், தொகு
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=மத்திய புள்ளிகள் (U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=பதின்மம் சிறப்பு வரைகலை ஒருங்குறிக்கு வரைபடம்
 
-DLG_WIN_TITLE=தேரா முனை: சாளர அமைப்பு
+DLG_WIN_TITLE=சாளர
 DLG_WIN_TITLELABEL=&தலைப்பு:
 DLG_WIN_CURSOR=சிமிட்டும் கோடு வடிவம்
 DLG_WIN_BLOCK=தடு
diff --git a/installer/release/lang_utf8/Traditional Chinese.lng b/installer/release/lang_utf8/Traditional Chinese.lng
index 966b20006..4e315426f 100644
--- a/installer/release/lang_utf8/Traditional Chinese.lng	
+++ b/installer/release/lang_utf8/Traditional Chinese.lng	
@@ -451,7 +451,7 @@ DLG_CODING_UNICODE_TO_DEC_PUNCTUATION=Punctuation, Block Elements, Shade
 DLG_CODING_UNICODE_TO_DEC_MIDDLEDOT=Middle dots (U+00B7,U+2024,U+2219)
 DLG_CODING_DEC_TO_UNICODE=Mapping DEC Special Graphics to Unicode
 
-DLG_WIN_TITLE=Tera Term：視窗設定
+DLG_WIN_TITLE=視窗
 DLG_WIN_TITLELABEL=標題(&T)：
 DLG_WIN_CURSOR=游標形狀
 DLG_WIN_BLOCK=塊狀(&L)
diff --git a/teraterm/teraterm/CMakeLists.txt b/teraterm/teraterm/CMakeLists.txt
index 16bba4918..a115f6890 100644
--- a/teraterm/teraterm/CMakeLists.txt
+++ b/teraterm/teraterm/CMakeLists.txt
@@ -93,6 +93,8 @@ set(SRC_DIALOG
   coding_pp.h
   coding_pp.rc
   coding_pp_res.h
+  color_sample.cpp
+  color_sample.h
   debug_pp.cpp
   debug_pp.h
   debug_pp.rc
@@ -135,6 +137,8 @@ set(SRC_DIALOG
   themedlg.h
   themedlg.rc
   themedlg_res.h
+  win_pp.cpp
+  win_pp.h
 )
 
 target_sources(
diff --git a/teraterm/teraterm/addsetting.cpp b/teraterm/teraterm/addsetting.cpp
index b4621cc79..36c33e6a5 100644
--- a/teraterm/teraterm/addsetting.cpp
+++ b/teraterm/teraterm/addsetting.cpp
@@ -60,6 +60,7 @@
 #include "log_pp.h"
 #include "tcpip_pp.h"
 #include "term_pp.h"
+#include "win_pp.h"
 
 #include "addsetting.h"
 
@@ -1526,6 +1527,8 @@ CAddSettingPropSheetDlg::CAddSettingPropSheetDlg(HINSTANCE hInstance, HWND hPare
 	AddPage(page);
 	page = CreateTerminalPP(hInstance, hParentWnd, & ts);
 	AddPage(page);
+	page = CreateWinPP(hInstance, hParentWnd, &ts);
+	AddPage(page);
 
 	wchar_t *title = TTGetLangStrW("Tera Term", "DLG_TABSHEET_TITLE", L"Tera Term: Additional settings", ts.UILanguageFileW);
 	SetCaption(title);
@@ -1561,6 +1564,9 @@ void CAddSettingPropSheetDlg::SetStartPage(Page page)
 	case TermPage:
 		start_page = 12;
 		break;
+	case WinPage:
+		start_page = 13;
+		break;
 	default:
 		start_page = 0;
 		break;
diff --git a/teraterm/teraterm/addsetting.h b/teraterm/teraterm/addsetting.h
index 40dd1ba79..3fb002ae9 100644
--- a/teraterm/teraterm/addsetting.h
+++ b/teraterm/teraterm/addsetting.h
@@ -55,6 +55,7 @@ class CAddSettingPropSheetDlg: public TTCPropSheetDlg
 		KeyboardPage,
 		TcpIpPage,
 		TermPage,
+		WinPage,
 	};
 	void SetStartPage(Page page);
 
@@ -71,4 +72,5 @@ typedef enum {
 	KeyboardPage,
 	TcpIpPage,
 	TermPage,
+	WinPage,
 } CAddSettingPropSheetDlgPage;
diff --git a/teraterm/teraterm/color_sample.cpp b/teraterm/teraterm/color_sample.cpp
new file mode 100644
index 000000000..48e1f35db
--- /dev/null
+++ b/teraterm/teraterm/color_sample.cpp
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2024- TeraTerm Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ttwinman.h"
+#include "color_sample.h"
+
+typedef struct ColorSampleTag {
+	HWND hWnd;
+	WNDPROC OrigProc;
+	int dummy;
+	COLORREF fore_color;
+	COLORREF back_color;
+	HFONT SampleFont;
+} ColorSampleWork;
+
+static LRESULT CALLBACK CSProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+	ColorSampleWork *work = (ColorSampleWork *)GetWindowLongPtr(hWnd, GWLP_USERDATA);
+	LRESULT Result;
+
+	switch (msg) {
+	case WM_PAINT: {
+		int i, x, y;
+		int DX[3];
+		TEXTMETRIC Metrics;
+		RECT TestRect;
+		int FW, FH;
+
+		PAINTSTRUCT ps;
+		HDC hDC;
+		hDC = BeginPaint(hWnd, &ps);
+
+		SetTextColor(hDC, work->fore_color);
+		SetBkColor(hDC, work->back_color);
+		SelectObject(hDC, work->SampleFont);
+		GetTextMetrics(hDC, &Metrics);
+		FW = Metrics.tmAveCharWidth;
+		FH = Metrics.tmHeight;
+		for (i = 0; i <= 2; i++) {
+			DX[i] = FW;
+		}
+		GetClientRect(hWnd, &TestRect);
+		x = (int)((TestRect.left + TestRect.right) / 2 - FW * 1.5);
+		y = (TestRect.top + TestRect.bottom - FH) / 2;
+		ExtTextOut(hDC, x, y, ETO_CLIPPED | ETO_OPAQUE, &TestRect, "ABC", 3, &(DX[0]));
+		break;
+	}
+	default:
+		break;
+	}
+
+	Result = CallWindowProcW(work->OrigProc, hWnd, msg, wParam, lParam);
+
+	switch (msg) {
+	case WM_NCDESTROY: {
+		SetWindowLongPtr(hWnd, GWLP_USERDATA, 0);
+		free(work);
+		break;
+	}
+	default:
+		break;
+	}
+
+	return Result;
+}
+
+ColorSample *ColorSampleInit(HWND hWnd)
+{
+	ColorSampleWork *work = (ColorSampleWork *)calloc(sizeof(*work), 1);
+	work->hWnd = hWnd;
+	work->SampleFont = ts.SampleFont;
+	work->OrigProc = (WNDPROC)SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)CSProc);
+	SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR)work);
+	InvalidateRect(hWnd, NULL, TRUE);
+	return work;
+}
+
+void ColorSampleSetColor(ColorSample *work, COLORREF fore_color, COLORREF back_color)
+{
+	work->fore_color = fore_color;
+	work->back_color = back_color;
+	InvalidateRect(work->hWnd, NULL, TRUE);
+}
diff --git a/teraterm/teraterm/color_sample.h b/teraterm/teraterm/color_sample.h
new file mode 100644
index 000000000..659a7d84c
--- /dev/null
+++ b/teraterm/teraterm/color_sample.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2024- TeraTerm Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <windows.h>
+
+typedef struct ColorSampleTag ColorSample;
+
+ColorSample *ColorSampleInit(HWND hWnd);
+void ColorSampleSetColor(ColorSample *work, COLORREF fore_color, COLORREF back_color);
diff --git a/teraterm/teraterm/win_pp.cpp b/teraterm/teraterm/win_pp.cpp
new file mode 100644
index 000000000..b90002a10
--- /dev/null
+++ b/teraterm/teraterm/win_pp.cpp
@@ -0,0 +1,591 @@
+/*
+ * Copyright (C) 2024- TeraTerm Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// WinDlg
+
+#include <stdio.h>
+#include <string.h>
+#define _CRTDBG_MAP_ALLOC
+#include <stdlib.h>
+#include <crtdbg.h>
+#include <assert.h>
+
+#include "tttypes.h"
+#include "ttlib.h"
+#include "dlglib.h"
+#include "dlg_res.h"
+#include "tipwin.h"
+#include "helpid.h"
+#include "asprintf.h"
+#include "win32helper.h"
+#include "compat_win.h"
+#include "asprintf.h"
+#include "ttwinman.h"
+#include "color_sample.h"
+
+#include "win_pp.h"
+
+// �e���v���[�g�̏����������s��
+#define REWRITE_TEMPLATE
+
+typedef struct {
+	WORD TmpColor[12][6];
+	PTTSet ts;
+	HFONT SampleFont;
+	WORD VTFlag;
+	HWND VTWin;
+} WinDlgWork;
+
+static ColorSample *cs;
+
+static void DispSample(HWND Dialog, WinDlgWork *work, int IAttr)
+{
+	COLORREF Text, Back;
+	Text = RGB(work->TmpColor[IAttr][0],
+	           work->TmpColor[IAttr][1],
+	           work->TmpColor[IAttr][2]);
+	Back = RGB(work->TmpColor[IAttr][3],
+	           work->TmpColor[IAttr][4],
+	           work->TmpColor[IAttr][5]);
+	ColorSampleSetColor(cs, Text, Back);
+}
+
+static void ChangeColor(HWND Dialog, WinDlgWork *work, int IAttr, int IOffset)
+{
+	SetDlgItemInt(Dialog,IDC_WINRED,work->TmpColor[IAttr][IOffset],FALSE);
+	SetDlgItemInt(Dialog,IDC_WINGREEN,work->TmpColor[IAttr][IOffset+1],FALSE);
+	SetDlgItemInt(Dialog,IDC_WINBLUE,work->TmpColor[IAttr][IOffset+2],FALSE);
+
+	DispSample(Dialog,work,IAttr);
+}
+
+static void ChangeSB(HWND Dialog, WinDlgWork *work, int IAttr, int IOffset)
+{
+	HWND HRed, HGreen, HBlue;
+
+	HRed = GetDlgItem(Dialog, IDC_WINREDBAR);
+	HGreen = GetDlgItem(Dialog, IDC_WINGREENBAR);
+	HBlue = GetDlgItem(Dialog, IDC_WINBLUEBAR);
+
+	SetScrollPos(HRed,SB_CTL,work->TmpColor[IAttr][IOffset+0],TRUE);
+	SetScrollPos(HGreen,SB_CTL,work->TmpColor[IAttr][IOffset+1],TRUE);
+	SetScrollPos(HBlue,SB_CTL,work->TmpColor[IAttr][IOffset+2],TRUE);
+	ChangeColor(Dialog,work,IAttr,IOffset);
+}
+
+static void RestoreVar(HWND Dialog, WinDlgWork* work, int *IAttr, int *IOffset)
+{
+	WORD w;
+
+	GetRB(Dialog,&w,IDC_WINTEXT,IDC_WINBACK);
+	if (w==2) {
+		*IOffset = 3;
+	}
+	else {
+		*IOffset = 0;
+	}
+	if (work->VTFlag>0) {
+		*IAttr = GetCurSel(Dialog,IDC_WINATTR);
+		if (*IAttr>0) (*IAttr)--;
+	}
+	else {
+		*IAttr = 0;
+	}
+}
+
+static INT_PTR CALLBACK WinDlg(HWND Dialog, UINT Message, WPARAM wParam, LPARAM lParam)
+{
+	static const DlgTextInfo TextInfos[] = {
+		{ 0, "DLG_WIN_TITLE" },
+		{ IDC_WINTITLELABEL, "DLG_WIN_TITLELABEL" },
+		{ IDC_WINCURSOR, "DLG_WIN_CURSOR" },
+		{ IDC_WINBLOCK, "DLG_WIN_BLOCK" },
+		{ IDC_WINVERT, "DLG_WIN_VERT" },
+		{ IDC_WINHORZ, "DLG_WIN_HORZ" },
+		{ IDC_FONTBOLD, "DLG_WIN_BOLDFONT" },
+		{ IDC_WINHIDETITLE, "DLG_WIN_HIDETITLE" },
+		{ IDC_WINHIDEMENU, "DLG_WIN_HIDEMENU" },
+		{ IDC_WINAIXTERM16, "DLG_WIN_AIXTERM16" },
+		{ IDC_WINXTERM256, "DLG_WIN_XTERM256" },
+		{ IDC_WINSCROLL1, "DLG_WIN_SCROLL1" },
+		{ IDC_WINSCROLL3, "DLG_WIN_SCROLL3" },
+		{ IDC_WINCOLOR, "DLG_WIN_COLOR" },
+		{ IDC_WINTEXT, "DLG_WIN_TEXT" },
+		{ IDC_WINBACK, "DLG_WIN_BG" },
+		{ IDC_WINATTRTEXT, "DLG_WIN_ATTRIB" },
+		{ IDC_WINREV, "DLG_WIN_REVERSE" },
+		{ IDC_WINREDLABEL, "DLG_WIN_R" },
+		{ IDC_WINGREENLABEL, "DLG_WIN_G" },
+		{ IDC_WINBLUELABEL, "DLG_WIN_B" },
+		{ IDC_WINUSENORMALBG, "DLG_WIN_ALWAYSBG" },
+		{ IDOK, "BTN_OK" },
+		{ IDCANCEL, "BTN_CANCEL" },
+		{ IDC_WINHELP, "BTN_HELP" },
+	};
+	PTTSet ts;
+	HWND Wnd, HRed, HGreen, HBlue;
+	int IAttr, IOffset;
+	WORD i, pos, ScrollCode, NewPos;
+	WinDlgWork *work = (WinDlgWork *)GetWindowLongPtr(Dialog,DWLP_USER);
+
+	switch (Message) {
+		case WM_INITDIALOG:
+			work = (WinDlgWork *)(((PROPSHEETPAGEW *)lParam)->lParam);
+			SetWindowLongPtr(Dialog, DWLP_USER, (LONG_PTR)work);
+			ts = work->ts;
+
+			SetDlgTextsW(Dialog, TextInfos, _countof(TextInfos), ts->UILanguageFileW);
+			{
+				// VTWin��TEKWin�Ń��x�����قȂ��Ă���
+				static const DlgTextInfo TextInfosVT[] = {
+					{ IDC_WINCOLOREMU, "DLG_WIN_PCBOLD16" },
+				};
+				static const DlgTextInfo TextInfosTEK[] = {
+					{ IDC_WINCOLOREMU, "DLG_WIN_COLOREMU" },
+				};
+				const DlgTextInfo *TextInfosVTTEK = (work->VTFlag>0) ? TextInfosVT : TextInfosTEK;
+				SetDlgTextsW(Dialog, TextInfosVTTEK, 1, ts->UILanguageFileW);
+			}
+
+			SetDlgItemTextA(Dialog, IDC_WINTITLE, ts->Title);
+			SendDlgItemMessage(Dialog, IDC_WINTITLE, EM_LIMITTEXT,
+			                   sizeof(ts->Title)-1, 0);
+
+			SetRB(Dialog,ts->HideTitle,IDC_WINHIDETITLE,IDC_WINHIDETITLE);
+			SetRB(Dialog,ts->EtermLookfeel.BGNoFrame,IDC_NO_FRAME,IDC_NO_FRAME);
+			SetRB(Dialog,ts->PopupMenu,IDC_WINHIDEMENU,IDC_WINHIDEMENU);
+			if ( ts->HideTitle>0 ) {
+				DisableDlgItem(Dialog,IDC_WINHIDEMENU,IDC_WINHIDEMENU);
+			} else {
+				DisableDlgItem(Dialog,IDC_NO_FRAME,IDC_NO_FRAME);
+			}
+
+			if (work->VTFlag>0) {
+				SetRB(Dialog, (ts->ColorFlag&CF_PCBOLD16)!=0, IDC_WINCOLOREMU, IDC_WINCOLOREMU);
+				SetRB(Dialog, (ts->ColorFlag&CF_AIXTERM16)!=0, IDC_WINAIXTERM16, IDC_WINAIXTERM16);
+				SetRB(Dialog, (ts->ColorFlag&CF_XTERM256)!=0,IDC_WINXTERM256,IDC_WINXTERM256);
+				ShowDlgItem(Dialog,IDC_WINAIXTERM16,IDC_WINXTERM256);
+				ShowDlgItem(Dialog,IDC_WINSCROLL1,IDC_WINSCROLL3);
+				SetRB(Dialog,ts->EnableScrollBuff,IDC_WINSCROLL1,IDC_WINSCROLL1);
+				SetDlgItemInt(Dialog,IDC_WINSCROLL2,ts->ScrollBuffSize,FALSE);
+
+				SendDlgItemMessage(Dialog, IDC_WINSCROLL2, EM_LIMITTEXT, 6, 0);
+
+				if ( ts->EnableScrollBuff==0 ) {
+					DisableDlgItem(Dialog,IDC_WINSCROLL2,IDC_WINSCROLL3);
+				}
+
+				for (i = 0 ; i <= 1 ; i++) {
+					work->TmpColor[0][i*3]   = GetRValue(ts->VTColor[i]);
+					work->TmpColor[0][i*3+1] = GetGValue(ts->VTColor[i]);
+					work->TmpColor[0][i*3+2] = GetBValue(ts->VTColor[i]);
+					work->TmpColor[1][i*3]   = GetRValue(ts->VTBoldColor[i]);
+					work->TmpColor[1][i*3+1] = GetGValue(ts->VTBoldColor[i]);
+					work->TmpColor[1][i*3+2] = GetBValue(ts->VTBoldColor[i]);
+					work->TmpColor[2][i*3]   = GetRValue(ts->VTBlinkColor[i]);
+					work->TmpColor[2][i*3+1] = GetGValue(ts->VTBlinkColor[i]);
+					work->TmpColor[2][i*3+2] = GetBValue(ts->VTBlinkColor[i]);
+					work->TmpColor[3][i*3]   = GetRValue(ts->VTReverseColor[i]);
+					work->TmpColor[3][i*3+1] = GetGValue(ts->VTReverseColor[i]);
+					work->TmpColor[3][i*3+2] = GetBValue(ts->VTReverseColor[i]);
+					work->TmpColor[4][i*3]   = GetRValue(ts->URLColor[i]);
+					work->TmpColor[4][i*3+1] = GetGValue(ts->URLColor[i]);
+					work->TmpColor[4][i*3+2] = GetBValue(ts->URLColor[i]);
+					work->TmpColor[5][i*3]   = GetRValue(ts->VTUnderlineColor[i]);
+					work->TmpColor[5][i*3+1] = GetGValue(ts->VTUnderlineColor[i]);
+					work->TmpColor[5][i*3+2] = GetBValue(ts->VTUnderlineColor[i]);
+				}
+				ShowDlgItem(Dialog,IDC_WINATTRTEXT,IDC_WINATTR);
+				{
+					static const I18nTextInfo infos[] = {
+						{ "DLG_WIN_NORMAL", L"Normal" },
+						{ "DLG_WIN_BOLD", L"Bold" },
+						{ "DLG_WIN_BLINK", L"Blink" },
+						{ "DLG_WIN_REVERSEATTR", L"Reverse" },
+						{ NULL, L"URL" },
+						{ NULL, L"Underline" },
+					};
+					SetI18nListW("Tera Term", Dialog, IDC_WINATTR, infos, _countof(infos), ts->UILanguageFileW, 0);
+				}
+				ShowDlgItem(Dialog,IDC_WINUSENORMALBG,IDC_WINUSENORMALBG);
+				SetRB(Dialog,ts->UseNormalBGColor,IDC_WINUSENORMALBG,IDC_WINUSENORMALBG);
+
+				ShowDlgItem(Dialog, IDC_FONTBOLD, IDC_FONTBOLD);
+				SetRB(Dialog, (ts->FontFlag & FF_BOLD) > 0, IDC_FONTBOLD,IDC_FONTBOLD);
+			}
+			else {
+				for (i = 0 ; i <=1 ; i++) {
+					work->TmpColor[0][i*3]   = GetRValue(ts->TEKColor[i]);
+					work->TmpColor[0][i*3+1] = GetGValue(ts->TEKColor[i]);
+					work->TmpColor[0][i*3+2] = GetBValue(ts->TEKColor[i]);
+				}
+				SetRB(Dialog,ts->TEKColorEmu,IDC_WINCOLOREMU,IDC_WINCOLOREMU);
+			}
+			SetRB(Dialog,1,IDC_WINTEXT,IDC_WINBACK);
+
+			SetRB(Dialog,ts->CursorShape,IDC_WINBLOCK,IDC_WINHORZ);
+
+			cs = ColorSampleInit(GetDlgItem(Dialog, IDC_DRAW_SAMPLE_AREA));
+
+			IAttr = 0;
+			IOffset = 0;
+
+			HRed = GetDlgItem(Dialog, IDC_WINREDBAR);
+			SetScrollRange(HRed,SB_CTL,0,255,TRUE);
+
+			HGreen = GetDlgItem(Dialog, IDC_WINGREENBAR);
+			SetScrollRange(HGreen,SB_CTL,0,255,TRUE);
+
+			HBlue = GetDlgItem(Dialog, IDC_WINBLUEBAR);
+			SetScrollRange(HBlue,SB_CTL,0,255,TRUE);
+
+			ChangeSB(Dialog,work,IAttr,IOffset);
+
+			//CenterWindow(Dialog, GetParent(Dialog));
+
+			ShowWindow(GetDlgItem(Dialog, IDOK), SW_HIDE);
+			ShowWindow(GetDlgItem(Dialog, IDCANCEL), SW_HIDE);
+			ShowWindow(GetDlgItem(Dialog, IDC_WINHELP), SW_HIDE);
+
+
+			return TRUE;
+
+		case WM_NOTIFY:
+		case WM_COMMAND:
+			ts = work->ts;
+			RestoreVar(Dialog,work,&IAttr,&IOffset);
+			assert(IAttr < _countof(work->TmpColor));
+			if (Message == WM_NOTIFY) {
+				NMHDR *nmhdr = (NMHDR *)lParam;
+				if (nmhdr->code == PSN_APPLY) {
+					wParam = IDOK;
+				}
+				else if (nmhdr->code == PSN_HELP) {
+					wParam = IDC_WINHELP;
+				}
+				else {
+					break;
+				}
+			}
+			switch (LOWORD(wParam)) {
+				case IDOK: {
+					WORD w;
+					//HDC DC;
+					GetDlgItemText(Dialog, IDC_WINTITLE, ts->Title, sizeof(ts->Title));
+					GetRB(Dialog, &ts->HideTitle, IDC_WINHIDETITLE, IDC_WINHIDETITLE);
+					GetRB(Dialog, &w, IDC_NO_FRAME, IDC_NO_FRAME);
+					ts->EtermLookfeel.BGNoFrame = w;
+					GetRB(Dialog, &ts->PopupMenu, IDC_WINHIDEMENU, IDC_WINHIDEMENU);
+					// DC = GetDC(Dialog);
+					if (work->VTFlag > 0) {
+						GetRB(Dialog, &i, IDC_WINCOLOREMU, IDC_WINCOLOREMU);
+						if (i != 0) {
+							ts->ColorFlag |= CF_PCBOLD16;
+						}
+						else {
+							ts->ColorFlag &= ~(WORD)CF_PCBOLD16;
+						}
+						GetRB(Dialog, &i, IDC_WINAIXTERM16, IDC_WINAIXTERM16);
+						if (i != 0) {
+							ts->ColorFlag |= CF_AIXTERM16;
+						}
+						else {
+							ts->ColorFlag &= ~(WORD)CF_AIXTERM16;
+						}
+						GetRB(Dialog, &i, IDC_WINXTERM256, IDC_WINXTERM256);
+						if (i != 0) {
+							ts->ColorFlag |= CF_XTERM256;
+						}
+						else {
+							ts->ColorFlag &= ~(WORD)CF_XTERM256;
+						}
+						GetRB(Dialog, &ts->EnableScrollBuff, IDC_WINSCROLL1, IDC_WINSCROLL1);
+						if (ts->EnableScrollBuff > 0) {
+								ts->ScrollBuffSize =
+									GetDlgItemInt(Dialog,IDC_WINSCROLL2,NULL,FALSE);
+						}
+						for (i = 0; i <= 1; i++) {
+							ts->VTColor[i] =
+								RGB(work->TmpColor[0][i*3],
+									work->TmpColor[0][i*3+1],
+									work->TmpColor[0][i*3+2]);
+							ts->VTBoldColor[i] =
+								RGB(work->TmpColor[1][i*3],
+									work->TmpColor[1][i*3+1],
+									work->TmpColor[1][i*3+2]);
+							ts->VTBlinkColor[i] =
+								RGB(work->TmpColor[2][i*3],
+									work->TmpColor[2][i*3+1],
+									work->TmpColor[2][i*3+2]);
+							ts->VTReverseColor[i] =
+								RGB(work->TmpColor[3][i*3],
+									work->TmpColor[3][i*3+1],
+									work->TmpColor[3][i*3+2]);
+							ts->URLColor[i] =
+								RGB(work->TmpColor[4][i*3],
+									work->TmpColor[4][i*3+1],
+									work->TmpColor[4][i*3+2]);
+							ts->VTUnderlineColor[i] =
+								RGB(work->TmpColor[5][i * 3],
+									work->TmpColor[5][i * 3 + 1],
+									work->TmpColor[5][i * 3 + 2]);
+#if 0
+							ts->VTColor[i] = GetNearestColor(DC, ts->VTColor[i]);
+							ts->VTBoldColor[i] = GetNearestColor(DC, ts->VTBoldColor[i]);
+							ts->VTBlinkColor[i] = GetNearestColor(DC, ts->VTBlinkColor[i]);
+							ts->VTReverseColor[i] = GetNearestColor(DC, ts->VTReverseColor[i]);
+							ts->URLColor[i] = GetNearestColor(DC, ts->URLColor[i]);
+#endif
+						}
+						GetRB(Dialog, &ts->UseNormalBGColor,
+							  IDC_WINUSENORMALBG, IDC_WINUSENORMALBG);
+						GetRB(Dialog, &i, IDC_FONTBOLD, IDC_FONTBOLD);
+						if (i > 0) {
+							ts->FontFlag |= FF_BOLD;
+						}
+						else {
+							ts->FontFlag &= ~(WORD)FF_BOLD;
+						}
+					}
+					else {
+						for (i = 0; i <= 1; i++) {
+							ts->TEKColor[i] =
+								RGB(work->TmpColor[0][i*3],
+									work->TmpColor[0][i*3+1],
+									work->TmpColor[0][i*3+2]);
+#if 0
+							ts->TEKColor[i] = GetNearestColor(DC, ts->TEKColor[i]);
+#endif
+						}
+						GetRB(Dialog, &ts->TEKColorEmu, IDC_WINCOLOREMU, IDC_WINCOLOREMU);
+					}
+					// ReleaseDC(Dialog,DC);
+
+					GetRB(Dialog, &ts->CursorShape, IDC_WINBLOCK, IDC_WINHORZ);
+					//EndDialog(Dialog, 1);
+					return TRUE;
+				}
+
+				case IDCANCEL:
+					//EndDialog(Dialog, 0);
+					return TRUE;
+
+				case IDC_WINHIDETITLE:
+					GetRB(Dialog,&i,IDC_WINHIDETITLE,IDC_WINHIDETITLE);
+					if (i>0) {
+						DisableDlgItem(Dialog,IDC_WINHIDEMENU,IDC_WINHIDEMENU);
+						EnableDlgItem(Dialog,IDC_NO_FRAME,IDC_NO_FRAME);
+					}
+					else {
+						EnableDlgItem(Dialog,IDC_WINHIDEMENU,IDC_WINHIDEMENU);
+						DisableDlgItem(Dialog,IDC_NO_FRAME,IDC_NO_FRAME);
+					}
+					break;
+
+				case IDC_WINSCROLL1:
+					GetRB(Dialog,&i,IDC_WINSCROLL1,IDC_WINSCROLL1);
+					if ( i>0 ) {
+						EnableDlgItem(Dialog,IDC_WINSCROLL2,IDC_WINSCROLL3);
+					}
+					else {
+						DisableDlgItem(Dialog,IDC_WINSCROLL2,IDC_WINSCROLL3);
+					}
+					break;
+
+				case IDC_WINTEXT:
+					IOffset = 0;
+					ChangeSB(Dialog,work,IAttr,IOffset);
+					break;
+
+				case IDC_WINBACK:
+					IOffset = 3;
+					ChangeSB(Dialog,work,IAttr,IOffset);
+					break;
+
+				case IDC_WINREV:
+					i = work->TmpColor[IAttr][0];
+					work->TmpColor[IAttr][0] = work->TmpColor[IAttr][3];
+					work->TmpColor[IAttr][3] = i;
+					i = work->TmpColor[IAttr][1];
+					work->TmpColor[IAttr][1] = work->TmpColor[IAttr][4];
+					work->TmpColor[IAttr][4] = i;
+					i = work->TmpColor[IAttr][2];
+					work->TmpColor[IAttr][2] = work->TmpColor[IAttr][5];
+					work->TmpColor[IAttr][5] = i;
+
+					ChangeSB(Dialog,work,IAttr,IOffset);
+					break;
+
+				case IDC_WINATTR:
+					ChangeSB(Dialog,work,IAttr,IOffset);
+					break;
+
+				case IDC_WINHELP: {
+					const WPARAM HelpId = work->VTFlag > 0 ? HlpSetupWindow : HlpTEKSetupWindow;
+					PostMessage(work->VTWin, WM_USER_DLGHELP2, HelpId, 0);
+					break;
+				}
+			}
+			break;
+
+		case WM_HSCROLL:
+			ts = work->ts;
+			RestoreVar(Dialog,work,&IAttr,&IOffset);
+			HRed = GetDlgItem(Dialog, IDC_WINREDBAR);
+			HGreen = GetDlgItem(Dialog, IDC_WINGREENBAR);
+			HBlue = GetDlgItem(Dialog, IDC_WINBLUEBAR);
+			Wnd = (HWND)lParam;
+			ScrollCode = LOWORD(wParam);
+			NewPos = HIWORD(wParam);
+			if ( Wnd == HRed ) {
+				i = IOffset;
+			}
+			else if ( Wnd == HGreen ) {
+				i = IOffset + 1;
+			}
+			else if ( Wnd == HBlue ) {
+				i = IOffset + 2;
+			}
+			else {
+				return TRUE;
+			}
+			pos = work->TmpColor[IAttr][i];
+			switch (ScrollCode) {
+				case SB_BOTTOM:
+					pos = 255;
+					break;
+				case SB_LINEDOWN:
+					if (pos<255) {
+						pos++;
+					}
+					break;
+				case SB_LINEUP:
+					if (pos>0) {
+						pos--;
+					}
+					break;
+				case SB_PAGEDOWN:
+					pos += 16;
+					break;
+				case SB_PAGEUP:
+					if (pos < 16) {
+						pos = 0;
+					}
+					else {
+						pos -= 16;
+					}
+					break;
+				case SB_THUMBPOSITION:
+					pos = NewPos;
+					break;
+				case SB_THUMBTRACK:
+					pos = NewPos;
+					break;
+				case SB_TOP:
+					pos = 0;
+					break;
+				default:
+					return TRUE;
+			}
+			if (pos > 255) {
+				pos = 255;
+			}
+			work->TmpColor[IAttr][i] = pos;
+			SetScrollPos(Wnd,SB_CTL,pos,TRUE);
+			ChangeColor(Dialog,work,IAttr,IOffset);
+			return FALSE;
+	}
+	return FALSE;
+}
+
+static UINT CALLBACK CallBack(HWND hwnd, UINT uMsg, struct _PROPSHEETPAGEW *ppsp)
+{
+	(void)hwnd;
+	UINT ret_val = 0;
+	switch (uMsg) {
+		case PSPCB_CREATE:
+			ret_val = 1;
+			break;
+		case PSPCB_RELEASE:
+			free((void *)ppsp->pResource);
+			ppsp->pResource = NULL;
+			free((void *)ppsp->lParam);
+			ppsp->lParam = 0;
+			break;
+		default:
+			break;
+	}
+	return ret_val;
+}
+
+HPROPSHEETPAGE CreateWinPP(HINSTANCE inst, HWND vtwin, TTTSet *pts)
+{
+	int id;
+	PROPSHEETPAGEW_V1 psp = { 0 };
+	WinDlgWork *data;
+	wchar_t *uimsg;
+//	BOOL r;
+
+	id = IDD_WINDLG;
+	data = (WinDlgWork *)malloc(sizeof(*data));
+	data->ts = &ts;
+	data-> VTWin = vtwin;
+
+	psp.dwSize = sizeof(psp);
+	psp.dwFlags = PSP_DEFAULT | PSP_USECALLBACK | PSP_USETITLE | PSP_HASHELP;
+	psp.hInstance = inst;
+	psp.pfnCallback = CallBack;
+	GetI18nStrWW("Tera Term", "DLG_WIN_TITLE", L"Tera Term: Terminal win...", pts->UILanguageFileW, &uimsg);
+	psp.pszTitle = uimsg;
+	psp.pszTemplate = MAKEINTRESOURCEW(id);
+#if defined(REWRITE_TEMPLATE)
+	psp.dwFlags |= PSP_DLGINDIRECT;
+	psp.pResource = TTGetDlgTemplate(inst, MAKEINTRESOURCEA(id));
+#endif
+	psp.pfnDlgProc = WinDlg;
+	psp.lParam = (LPARAM)data;
+
+	HPROPSHEETPAGE hpsp = CreatePropertySheetPageW((LPCPROPSHEETPAGEW)&psp);
+	free(uimsg);
+	return hpsp;
+}
+
+#if 0
+BOOL WINAPI _SetupWin(HWND WndParent, PTTSet ts)
+{
+	WinDlgWork *work = (WinDlgWork *)calloc(sizeof(*work), 1);
+	INT_PTR r;
+	work->ts = ts;
+	work->SampleFont = ts->SampleFont;
+	work->VTFlag = ts->VTFlag;
+	work->VTWin = WndParent;
+	r = TTDialogBoxParam(hInst, MAKEINTRESOURCE(IDD_WINDLG), WndParent, WinDlg, (LPARAM)work);
+	free(work);
+	return (BOOL)r;
+}
+#endif
diff --git a/teraterm/teraterm/win_pp.h b/teraterm/teraterm/win_pp.h
new file mode 100644
index 000000000..808a15d78
--- /dev/null
+++ b/teraterm/teraterm/win_pp.h
@@ -0,0 +1,41 @@
+/*
+ * (C) 2024- TeraTerm Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <windows.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+HPROPSHEETPAGE CreateWinPP(HINSTANCE inst, HWND vtwin, TTTSet *pts);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/teraterm/ttpdlg/windlg.cpp b/teraterm/ttpdlg/windlg.cpp
index 97559d2fc..5bff7ed00 100644
--- a/teraterm/ttpdlg/windlg.cpp
+++ b/teraterm/ttpdlg/windlg.cpp
@@ -28,513 +28,15 @@
 
 // WinDlg
 
-#include <stdio.h>
-#include <string.h>
-#define _CRTDBG_MAP_ALLOC
-#include <stdlib.h>
-#include <crtdbg.h>
-#include <assert.h>
-
-#include "tttypes.h"
-#include "ttlib.h"
-#include "dlglib.h"
-#include "dlg_res.h"
-#include "tipwin.h"
-#include "helpid.h"
-#include "asprintf.h"
-#include "win32helper.h"
-#include "compat_win.h"
-#include "asprintf.h"
-#include "ttwinman.h"
+#include <windows.h>
+#include "vtwin.h"
 
 #include "ttdlg.h"
 
-typedef struct {
-	WORD TmpColor[12][6];
-	PTTSet ts;
-	HFONT SampleFont;
-	WORD VTFlag;
-} WinDlgWork;
-
-static void DispSample(HWND Dialog, WinDlgWork *work, int IAttr)
-{
-	int i,x,y;
-	COLORREF Text, Back;
-	int DX[3];
-	TEXTMETRIC Metrics;
-	RECT TestRect;
-	int FW,FH;
-	HDC DC;
-	HWND HWndSample;
-
-	HWndSample = GetDlgItem(Dialog, IDC_DRAW_SAMPLE_AREA);
-	DC = GetDC(HWndSample);
-	Text = RGB(work->TmpColor[IAttr][0],
-	           work->TmpColor[IAttr][1],
-	           work->TmpColor[IAttr][2]);
-	Text = GetNearestColor(DC, Text);
-	Back = RGB(work->TmpColor[IAttr][3],
-	           work->TmpColor[IAttr][4],
-	           work->TmpColor[IAttr][5]);
-	Back = GetNearestColor(DC, Back);
-	SetTextColor(DC, Text);
-	SetBkColor(DC, Back);
-	SelectObject(DC,work->SampleFont);
-	GetTextMetrics(DC, &Metrics);
-	FW = Metrics.tmAveCharWidth;
-	FH = Metrics.tmHeight;
-	for (i = 0 ; i <= 2 ; i++)
-		DX[i] = FW;
-	GetClientRect(HWndSample,&TestRect);
-	x = (int)((TestRect.left+TestRect.right) / 2 - FW * 1.5);
-	y = (TestRect.top+TestRect.bottom-FH) / 2;
-	ExtTextOut(DC, x,y, ETO_CLIPPED | ETO_OPAQUE,
-	           &TestRect, "ABC", 3, &(DX[0]));
-	ReleaseDC(HWndSample,DC);
-}
-
-static void ChangeColor(HWND Dialog, WinDlgWork *work, int IAttr, int IOffset)
-{
-	SetDlgItemInt(Dialog,IDC_WINRED,work->TmpColor[IAttr][IOffset],FALSE);
-	SetDlgItemInt(Dialog,IDC_WINGREEN,work->TmpColor[IAttr][IOffset+1],FALSE);
-	SetDlgItemInt(Dialog,IDC_WINBLUE,work->TmpColor[IAttr][IOffset+2],FALSE);
-
-	DispSample(Dialog,work,IAttr);
-}
-
-static void ChangeSB(HWND Dialog, WinDlgWork *work, int IAttr, int IOffset)
-{
-	HWND HRed, HGreen, HBlue;
-
-	HRed = GetDlgItem(Dialog, IDC_WINREDBAR);
-	HGreen = GetDlgItem(Dialog, IDC_WINGREENBAR);
-	HBlue = GetDlgItem(Dialog, IDC_WINBLUEBAR);
-
-	SetScrollPos(HRed,SB_CTL,work->TmpColor[IAttr][IOffset+0],TRUE);
-	SetScrollPos(HGreen,SB_CTL,work->TmpColor[IAttr][IOffset+1],TRUE);
-	SetScrollPos(HBlue,SB_CTL,work->TmpColor[IAttr][IOffset+2],TRUE);
-	ChangeColor(Dialog,work,IAttr,IOffset);
-}
-
-static void RestoreVar(HWND Dialog, WinDlgWork* work, int *IAttr, int *IOffset)
-{
-	WORD w;
-
-	GetRB(Dialog,&w,IDC_WINTEXT,IDC_WINBACK);
-	if (w==2) {
-		*IOffset = 3;
-	}
-	else {
-		*IOffset = 0;
-	}
-	if (work->VTFlag>0) {
-		*IAttr = GetCurSel(Dialog,IDC_WINATTR);
-		if (*IAttr>0) (*IAttr)--;
-	}
-	else {
-		*IAttr = 0;
-	}
-}
-
-static INT_PTR CALLBACK WinDlg(HWND Dialog, UINT Message, WPARAM wParam, LPARAM lParam)
-{
-	static const DlgTextInfo TextInfos[] = {
-		{ 0, "DLG_WIN_TITLE" },
-		{ IDC_WINTITLELABEL, "DLG_WIN_TITLELABEL" },
-		{ IDC_WINCURSOR, "DLG_WIN_CURSOR" },
-		{ IDC_WINBLOCK, "DLG_WIN_BLOCK" },
-		{ IDC_WINVERT, "DLG_WIN_VERT" },
-		{ IDC_WINHORZ, "DLG_WIN_HORZ" },
-		{ IDC_FONTBOLD, "DLG_WIN_BOLDFONT" },
-		{ IDC_WINHIDETITLE, "DLG_WIN_HIDETITLE" },
-		{ IDC_WINHIDEMENU, "DLG_WIN_HIDEMENU" },
-		{ IDC_WINAIXTERM16, "DLG_WIN_AIXTERM16" },
-		{ IDC_WINXTERM256, "DLG_WIN_XTERM256" },
-		{ IDC_WINSCROLL1, "DLG_WIN_SCROLL1" },
-		{ IDC_WINSCROLL3, "DLG_WIN_SCROLL3" },
-		{ IDC_WINCOLOR, "DLG_WIN_COLOR" },
-		{ IDC_WINTEXT, "DLG_WIN_TEXT" },
-		{ IDC_WINBACK, "DLG_WIN_BG" },
-		{ IDC_WINATTRTEXT, "DLG_WIN_ATTRIB" },
-		{ IDC_WINREV, "DLG_WIN_REVERSE" },
-		{ IDC_WINREDLABEL, "DLG_WIN_R" },
-		{ IDC_WINGREENLABEL, "DLG_WIN_G" },
-		{ IDC_WINBLUELABEL, "DLG_WIN_B" },
-		{ IDC_WINUSENORMALBG, "DLG_WIN_ALWAYSBG" },
-		{ IDOK, "BTN_OK" },
-		{ IDCANCEL, "BTN_CANCEL" },
-		{ IDC_WINHELP, "BTN_HELP" },
-	};
-	PTTSet ts;
-	HWND Wnd, HRed, HGreen, HBlue;
-	int IAttr, IOffset;
-	WORD i, pos, ScrollCode, NewPos;
-	WinDlgWork *work = (WinDlgWork *)GetWindowLongPtr(Dialog,DWLP_USER);
-
-	switch (Message) {
-		case WM_INITDIALOG:
-			work = (WinDlgWork *)lParam;;
-			SetWindowLongPtr(Dialog, DWLP_USER, lParam);
-			ts = work->ts;
-
-			SetDlgTextsW(Dialog, TextInfos, _countof(TextInfos), ts->UILanguageFileW);
-			{
-				// VTWin��TEKWin�Ń��x�����قȂ��Ă���
-				static const DlgTextInfo TextInfosVT[] = {
-					{ IDC_WINCOLOREMU, "DLG_WIN_PCBOLD16" },
-				};
-				static const DlgTextInfo TextInfosTEK[] = {
-					{ IDC_WINCOLOREMU, "DLG_WIN_COLOREMU" },
-				};
-				const DlgTextInfo *TextInfosVTTEK = (work->VTFlag>0) ? TextInfosVT : TextInfosTEK;
-				SetDlgTextsW(Dialog, TextInfosVTTEK, 1, ts->UILanguageFileW);
-			}
-
-			SetDlgItemTextA(Dialog, IDC_WINTITLE, ts->Title);
-			SendDlgItemMessage(Dialog, IDC_WINTITLE, EM_LIMITTEXT,
-			                   sizeof(ts->Title)-1, 0);
-
-			SetRB(Dialog,ts->HideTitle,IDC_WINHIDETITLE,IDC_WINHIDETITLE);
-			SetRB(Dialog,ts->EtermLookfeel.BGNoFrame,IDC_NO_FRAME,IDC_NO_FRAME);
-			SetRB(Dialog,ts->PopupMenu,IDC_WINHIDEMENU,IDC_WINHIDEMENU);
-			if ( ts->HideTitle>0 ) {
-				DisableDlgItem(Dialog,IDC_WINHIDEMENU,IDC_WINHIDEMENU);
-			} else {
-				DisableDlgItem(Dialog,IDC_NO_FRAME,IDC_NO_FRAME);
-			}
-
-			if (work->VTFlag>0) {
-				SetRB(Dialog, (ts->ColorFlag&CF_PCBOLD16)!=0, IDC_WINCOLOREMU, IDC_WINCOLOREMU);
-				SetRB(Dialog, (ts->ColorFlag&CF_AIXTERM16)!=0, IDC_WINAIXTERM16, IDC_WINAIXTERM16);
-				SetRB(Dialog, (ts->ColorFlag&CF_XTERM256)!=0,IDC_WINXTERM256,IDC_WINXTERM256);
-				ShowDlgItem(Dialog,IDC_WINAIXTERM16,IDC_WINXTERM256);
-				ShowDlgItem(Dialog,IDC_WINSCROLL1,IDC_WINSCROLL3);
-				SetRB(Dialog,ts->EnableScrollBuff,IDC_WINSCROLL1,IDC_WINSCROLL1);
-				SetDlgItemInt(Dialog,IDC_WINSCROLL2,ts->ScrollBuffSize,FALSE);
-
-				SendDlgItemMessage(Dialog, IDC_WINSCROLL2, EM_LIMITTEXT, 6, 0);
-
-				if ( ts->EnableScrollBuff==0 ) {
-					DisableDlgItem(Dialog,IDC_WINSCROLL2,IDC_WINSCROLL3);
-				}
-
-				for (i = 0 ; i <= 1 ; i++) {
-					work->TmpColor[0][i*3]   = GetRValue(ts->VTColor[i]);
-					work->TmpColor[0][i*3+1] = GetGValue(ts->VTColor[i]);
-					work->TmpColor[0][i*3+2] = GetBValue(ts->VTColor[i]);
-					work->TmpColor[1][i*3]   = GetRValue(ts->VTBoldColor[i]);
-					work->TmpColor[1][i*3+1] = GetGValue(ts->VTBoldColor[i]);
-					work->TmpColor[1][i*3+2] = GetBValue(ts->VTBoldColor[i]);
-					work->TmpColor[2][i*3]   = GetRValue(ts->VTBlinkColor[i]);
-					work->TmpColor[2][i*3+1] = GetGValue(ts->VTBlinkColor[i]);
-					work->TmpColor[2][i*3+2] = GetBValue(ts->VTBlinkColor[i]);
-					work->TmpColor[3][i*3]   = GetRValue(ts->VTReverseColor[i]);
-					work->TmpColor[3][i*3+1] = GetGValue(ts->VTReverseColor[i]);
-					work->TmpColor[3][i*3+2] = GetBValue(ts->VTReverseColor[i]);
-					work->TmpColor[4][i*3]   = GetRValue(ts->URLColor[i]);
-					work->TmpColor[4][i*3+1] = GetGValue(ts->URLColor[i]);
-					work->TmpColor[4][i*3+2] = GetBValue(ts->URLColor[i]);
-					work->TmpColor[5][i*3]   = GetRValue(ts->VTUnderlineColor[i]);
-					work->TmpColor[5][i*3+1] = GetGValue(ts->VTUnderlineColor[i]);
-					work->TmpColor[5][i*3+2] = GetBValue(ts->VTUnderlineColor[i]);
-				}
-				ShowDlgItem(Dialog,IDC_WINATTRTEXT,IDC_WINATTR);
-				{
-					static const I18nTextInfo infos[] = {
-						{ "DLG_WIN_NORMAL", L"Normal" },
-						{ "DLG_WIN_BOLD", L"Bold" },
-						{ "DLG_WIN_BLINK", L"Blink" },
-						{ "DLG_WIN_REVERSEATTR", L"Reverse" },
-						{ NULL, L"URL" },
-						{ NULL, L"Underline" },
-					};
-					SetI18nListW("Tera Term", Dialog, IDC_WINATTR, infos, _countof(infos), ts->UILanguageFileW, 0);
-				}
-				ShowDlgItem(Dialog,IDC_WINUSENORMALBG,IDC_WINUSENORMALBG);
-				SetRB(Dialog,ts->UseNormalBGColor,IDC_WINUSENORMALBG,IDC_WINUSENORMALBG);
-
-				ShowDlgItem(Dialog, IDC_FONTBOLD, IDC_FONTBOLD);
-				SetRB(Dialog, (ts->FontFlag & FF_BOLD) > 0, IDC_FONTBOLD,IDC_FONTBOLD);
-			}
-			else {
-				for (i = 0 ; i <=1 ; i++) {
-					work->TmpColor[0][i*3]   = GetRValue(ts->TEKColor[i]);
-					work->TmpColor[0][i*3+1] = GetGValue(ts->TEKColor[i]);
-					work->TmpColor[0][i*3+2] = GetBValue(ts->TEKColor[i]);
-				}
-				SetRB(Dialog,ts->TEKColorEmu,IDC_WINCOLOREMU,IDC_WINCOLOREMU);
-			}
-			SetRB(Dialog,1,IDC_WINTEXT,IDC_WINBACK);
-
-			SetRB(Dialog,ts->CursorShape,IDC_WINBLOCK,IDC_WINHORZ);
-
-			IAttr = 0;
-			IOffset = 0;
-
-			HRed = GetDlgItem(Dialog, IDC_WINREDBAR);
-			SetScrollRange(HRed,SB_CTL,0,255,TRUE);
-
-			HGreen = GetDlgItem(Dialog, IDC_WINGREENBAR);
-			SetScrollRange(HGreen,SB_CTL,0,255,TRUE);
-
-			HBlue = GetDlgItem(Dialog, IDC_WINBLUEBAR);
-			SetScrollRange(HBlue,SB_CTL,0,255,TRUE);
-
-			ChangeSB(Dialog,work,IAttr,IOffset);
-
-			CenterWindow(Dialog, GetParent(Dialog));
-
-			return TRUE;
-
-		case WM_COMMAND:
-			ts = work->ts;
-			RestoreVar(Dialog,work,&IAttr,&IOffset);
-			assert(IAttr < _countof(work->TmpColor));
-			switch (LOWORD(wParam)) {
-				case IDOK: {
-					WORD w;
-					//HDC DC;
-					GetDlgItemText(Dialog, IDC_WINTITLE, ts->Title, sizeof(ts->Title));
-					GetRB(Dialog, &ts->HideTitle, IDC_WINHIDETITLE, IDC_WINHIDETITLE);
-					GetRB(Dialog, &w, IDC_NO_FRAME, IDC_NO_FRAME);
-					ts->EtermLookfeel.BGNoFrame = w;
-					GetRB(Dialog, &ts->PopupMenu, IDC_WINHIDEMENU, IDC_WINHIDEMENU);
-					// DC = GetDC(Dialog);
-					if (work->VTFlag > 0) {
-						GetRB(Dialog, &i, IDC_WINCOLOREMU, IDC_WINCOLOREMU);
-						if (i != 0) {
-							ts->ColorFlag |= CF_PCBOLD16;
-						}
-						else {
-							ts->ColorFlag &= ~(WORD)CF_PCBOLD16;
-						}
-						GetRB(Dialog, &i, IDC_WINAIXTERM16, IDC_WINAIXTERM16);
-						if (i != 0) {
-							ts->ColorFlag |= CF_AIXTERM16;
-						}
-						else {
-							ts->ColorFlag &= ~(WORD)CF_AIXTERM16;
-						}
-						GetRB(Dialog, &i, IDC_WINXTERM256, IDC_WINXTERM256);
-						if (i != 0) {
-							ts->ColorFlag |= CF_XTERM256;
-						}
-						else {
-							ts->ColorFlag &= ~(WORD)CF_XTERM256;
-						}
-						GetRB(Dialog, &ts->EnableScrollBuff, IDC_WINSCROLL1, IDC_WINSCROLL1);
-						if (ts->EnableScrollBuff > 0) {
-								ts->ScrollBuffSize =
-									GetDlgItemInt(Dialog,IDC_WINSCROLL2,NULL,FALSE);
-						}
-						for (i = 0; i <= 1; i++) {
-							ts->VTColor[i] =
-								RGB(work->TmpColor[0][i*3],
-									work->TmpColor[0][i*3+1],
-									work->TmpColor[0][i*3+2]);
-							ts->VTBoldColor[i] =
-								RGB(work->TmpColor[1][i*3],
-									work->TmpColor[1][i*3+1],
-									work->TmpColor[1][i*3+2]);
-							ts->VTBlinkColor[i] =
-								RGB(work->TmpColor[2][i*3],
-									work->TmpColor[2][i*3+1],
-									work->TmpColor[2][i*3+2]);
-							ts->VTReverseColor[i] =
-								RGB(work->TmpColor[3][i*3],
-									work->TmpColor[3][i*3+1],
-									work->TmpColor[3][i*3+2]);
-							ts->URLColor[i] =
-								RGB(work->TmpColor[4][i*3],
-									work->TmpColor[4][i*3+1],
-									work->TmpColor[4][i*3+2]);
-							ts->VTUnderlineColor[i] =
-								RGB(work->TmpColor[5][i * 3],
-									work->TmpColor[5][i * 3 + 1],
-									work->TmpColor[5][i * 3 + 2]);
-#if 0
-							ts->VTColor[i] = GetNearestColor(DC, ts->VTColor[i]);
-							ts->VTBoldColor[i] = GetNearestColor(DC, ts->VTBoldColor[i]);
-							ts->VTBlinkColor[i] = GetNearestColor(DC, ts->VTBlinkColor[i]);
-							ts->VTReverseColor[i] = GetNearestColor(DC, ts->VTReverseColor[i]);
-							ts->URLColor[i] = GetNearestColor(DC, ts->URLColor[i]);
-#endif
-						}
-						GetRB(Dialog, &ts->UseNormalBGColor,
-							  IDC_WINUSENORMALBG, IDC_WINUSENORMALBG);
-						GetRB(Dialog, &i, IDC_FONTBOLD, IDC_FONTBOLD);
-						if (i > 0) {
-							ts->FontFlag |= FF_BOLD;
-						}
-						else {
-							ts->FontFlag &= ~(WORD)FF_BOLD;
-						}
-					}
-					else {
-						for (i = 0; i <= 1; i++) {
-							ts->TEKColor[i] =
-								RGB(work->TmpColor[0][i*3],
-									work->TmpColor[0][i*3+1],
-									work->TmpColor[0][i*3+2]);
-#if 0
-							ts->TEKColor[i] = GetNearestColor(DC, ts->TEKColor[i]);
-#endif
-						}
-						GetRB(Dialog, &ts->TEKColorEmu, IDC_WINCOLOREMU, IDC_WINCOLOREMU);
-					}
-					// ReleaseDC(Dialog,DC);
-
-					GetRB(Dialog, &ts->CursorShape, IDC_WINBLOCK, IDC_WINHORZ);
-					EndDialog(Dialog, 1);
-					return TRUE;
-				}
-
-				case IDCANCEL:
-					EndDialog(Dialog, 0);
-					return TRUE;
-
-				case IDC_WINHIDETITLE:
-					GetRB(Dialog,&i,IDC_WINHIDETITLE,IDC_WINHIDETITLE);
-					if (i>0) {
-						DisableDlgItem(Dialog,IDC_WINHIDEMENU,IDC_WINHIDEMENU);
-						EnableDlgItem(Dialog,IDC_NO_FRAME,IDC_NO_FRAME);
-					}
-					else {
-						EnableDlgItem(Dialog,IDC_WINHIDEMENU,IDC_WINHIDEMENU);
-						DisableDlgItem(Dialog,IDC_NO_FRAME,IDC_NO_FRAME);
-					}
-					break;
-
-				case IDC_WINSCROLL1:
-					GetRB(Dialog,&i,IDC_WINSCROLL1,IDC_WINSCROLL1);
-					if ( i>0 ) {
-						EnableDlgItem(Dialog,IDC_WINSCROLL2,IDC_WINSCROLL3);
-					}
-					else {
-						DisableDlgItem(Dialog,IDC_WINSCROLL2,IDC_WINSCROLL3);
-					}
-					break;
-
-				case IDC_WINTEXT:
-					IOffset = 0;
-					ChangeSB(Dialog,work,IAttr,IOffset);
-					break;
-
-				case IDC_WINBACK:
-					IOffset = 3;
-					ChangeSB(Dialog,work,IAttr,IOffset);
-					break;
-
-				case IDC_WINREV:
-					i = work->TmpColor[IAttr][0];
-					work->TmpColor[IAttr][0] = work->TmpColor[IAttr][3];
-					work->TmpColor[IAttr][3] = i;
-					i = work->TmpColor[IAttr][1];
-					work->TmpColor[IAttr][1] = work->TmpColor[IAttr][4];
-					work->TmpColor[IAttr][4] = i;
-					i = work->TmpColor[IAttr][2];
-					work->TmpColor[IAttr][2] = work->TmpColor[IAttr][5];
-					work->TmpColor[IAttr][5] = i;
-
-					ChangeSB(Dialog,work,IAttr,IOffset);
-					break;
-
-				case IDC_WINATTR:
-					ChangeSB(Dialog,work,IAttr,IOffset);
-					break;
-
-				case IDC_WINHELP: {
-					const WPARAM HelpId = work->VTFlag > 0 ? HlpSetupWindow : HlpTEKSetupWindow;
-					PostMessage(GetParent(Dialog),WM_USER_DLGHELP2,HelpId,0);
-					break;
-				}
-			}
-			break;
-
-		case WM_PAINT:
-			ts = work->ts;
-			RestoreVar(Dialog,work,&IAttr,&IOffset);
-			DispSample(Dialog,work,IAttr);
-			break;
-
-		case WM_HSCROLL:
-			ts = work->ts;
-			RestoreVar(Dialog,work,&IAttr,&IOffset);
-			HRed = GetDlgItem(Dialog, IDC_WINREDBAR);
-			HGreen = GetDlgItem(Dialog, IDC_WINGREENBAR);
-			HBlue = GetDlgItem(Dialog, IDC_WINBLUEBAR);
-			Wnd = (HWND)lParam;
-			ScrollCode = LOWORD(wParam);
-			NewPos = HIWORD(wParam);
-			if ( Wnd == HRed ) {
-				i = IOffset;
-			}
-			else if ( Wnd == HGreen ) {
-				i = IOffset + 1;
-			}
-			else if ( Wnd == HBlue ) {
-				i = IOffset + 2;
-			}
-			else {
-				return TRUE;
-			}
-			pos = work->TmpColor[IAttr][i];
-			switch (ScrollCode) {
-				case SB_BOTTOM:
-					pos = 255;
-					break;
-				case SB_LINEDOWN:
-					if (pos<255) {
-						pos++;
-					}
-					break;
-				case SB_LINEUP:
-					if (pos>0) {
-						pos--;
-					}
-					break;
-				case SB_PAGEDOWN:
-					pos += 16;
-					break;
-				case SB_PAGEUP:
-					if (pos < 16) {
-						pos = 0;
-					}
-					else {
-						pos -= 16;
-					}
-					break;
-				case SB_THUMBPOSITION:
-					pos = NewPos;
-					break;
-				case SB_THUMBTRACK:
-					pos = NewPos;
-					break;
-				case SB_TOP:
-					pos = 0;
-					break;
-				default:
-					return TRUE;
-			}
-			if (pos > 255) {
-				pos = 255;
-			}
-			work->TmpColor[IAttr][i] = pos;
-			SetScrollPos(Wnd,SB_CTL,pos,TRUE);
-			ChangeColor(Dialog,work,IAttr,IOffset);
-			return FALSE;
-	}
-	return FALSE;
-}
-
 BOOL WINAPI _SetupWin(HWND WndParent, PTTSet ts)
 {
-	WinDlgWork *work = (WinDlgWork *)calloc(1, sizeof(*work));
-	INT_PTR r;
-	work->ts = ts;
-	work->SampleFont = ts->SampleFont;
-	work->VTFlag = ts->VTFlag;
-	r = TTDialogBoxParam(hInst, MAKEINTRESOURCE(IDD_WINDLG), WndParent, WinDlg, (LPARAM)work);
-	free(work);
-	return (BOOL)r;
+	(void)WndParent;
+	(void)ts;
+	OpenExternalSetupOutside(WinPage);
+	return FALSE;
 }