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ExplorerBrowser throws ArgumentNullException in Designer #225

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tajbender opened this issue Apr 22, 2021 · 2 comments
Closed

ExplorerBrowser throws ArgumentNullException in Designer #225

tajbender opened this issue Apr 22, 2021 · 2 comments

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@tajbender
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tajbender commented Apr 22, 2021 •
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Describe the bug
ExplorerBrowser throws ArgumentNullException when a new instance is dropped in Designer, cause in Design-Mode there is no ExplorerBrowser-Instance that has been created. That's why GetFolderView2() fails.

What code is involved
Windows.Forms/Controls/ExplorerBrowser.cs -> get_ThumbnailSize()

Expected behavior
See the attached Patch-File. Using that would fix the Issue, but please take a look if it's exactly the behavior you intended. Using this (quick-fix) solved the problem for me:

21-04-22 ExplorerBrowser Designer-ThumbnailSize.zip

Screenshots
ExplorerBrowser - ThumbnailSize
@tajbender
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Sorry, wait a moment... This doesn't fix the problem in ExplorerBrowserTestForm cause of the PropertyGrid.

@dahall dahall closed this as completed in d14609c Jul 22, 2021
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dahall commented Jul 22, 2021

Finally got this fixed. Sorry for the delay.

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@tajbender @dahall