diff --git a/OpenXmlFormats/Spreadsheet/BaseTypes.cs b/OpenXmlFormats/Spreadsheet/BaseTypes.cs
index ebe7a34e3..97b874554 100644
--- a/OpenXmlFormats/Spreadsheet/BaseTypes.cs
+++ b/OpenXmlFormats/Spreadsheet/BaseTypes.cs
@@ -41,15 +41,29 @@ public byte[] ToBytes()
 
     public class CT_GradientStop
     {
-        private int positionField;
+        private double positionField;
         private CT_Color colorField;
 
+        public double position
+        {
+            get {
+                return positionField;
+            }
+            set { positionField = value; }
+        }
+
+        public CT_Color AddNewColor()
+        {
+            this.colorField = new CT_Color();
+            return colorField;
+        }
+
         public static CT_GradientStop Parse(XmlNode node, XmlNamespaceManager namespaceManager)
         {
             if (node == null)
                 return null;
             CT_GradientStop ctObj = new CT_GradientStop();
-            ctObj.positionField = XmlHelper.ReadInt(node.Attributes["position"]);
+            ctObj.positionField = XmlHelper.ReadDouble(node.Attributes["position"]);
             foreach (XmlNode childNode in node.ChildNodes)
             {
                 if (childNode.LocalName == "color")
@@ -133,7 +147,22 @@ internal void Write(StreamWriter sw, string nodeName)
             }
             sw.Write(string.Format("</{0}>", nodeName));
         }
-
+        public CT_GradientStop AddNewStop()
+        {
+            var newstop = new CT_GradientStop();
+            if (this.stop == null)
+                this.stop = new List<CT_GradientStop>();
+            this.stop.Add(newstop);
+            return newstop;
+        }
+        public CT_GradientStop GetStopArray(int index)
+        {
+            if (this.stop == null)
+            {
+                return null;
+            }
+            return this.stop[index];
+        }
         [XmlElement]
         public List<CT_GradientStop> stop
         {
diff --git a/OpenXmlFormats/Spreadsheet/Styles/CT_Fill.cs b/OpenXmlFormats/Spreadsheet/Styles/CT_Fill.cs
index 7cc220b61..cd44f227f 100644
--- a/OpenXmlFormats/Spreadsheet/Styles/CT_Fill.cs
+++ b/OpenXmlFormats/Spreadsheet/Styles/CT_Fill.cs
@@ -40,6 +40,15 @@ public CT_PatternFill AddNewPatternFill()
             this.patternFillField = new CT_PatternFill();
             return GetPatternFill();
         }
+        public CT_GradientFill AddNewGradientFill()
+        {
+            this.gradientFillField = new CT_GradientFill();
+            return this.gradientFillField;
+        }
+        public void UnsetPatternFill()
+        {
+            this.patternFillField = null;
+        }
         public bool IsSetPatternFill()
         {
             return this.patternFillField != null;