The default value of PatternType should be null instead of ST_Pattern…

…Type.none fix #186
nissl-lab · May 30, 2021 · 13d5db0 · 13d5db0
1 parent 8d701db
commit 13d5db0
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/OpenXmlFormats/Spreadsheet/Styles/CT_PatternFill.cs b/OpenXmlFormats/Spreadsheet/Styles/CT_PatternFill.cs
@@ -16,7 +16,7 @@ public class CT_PatternFill
 
         private CT_Color bgColorField = null;
 
-        private ST_PatternType patternTypeField = ST_PatternType.none;
+        private ST_PatternType? patternTypeField=null;
 
         public bool IsSetPatternType()
         {
@@ -67,7 +67,8 @@ public static CT_PatternFill Parse(XmlNode node, XmlNamespaceManager namespaceMa
         internal void Write(StreamWriter sw, string nodeName)
         {
             sw.Write(string.Format("<{0}", nodeName));
-            XmlHelper.WriteAttribute(sw, "patternType", this.patternType.ToString());
+            if(patternType!=null)
+                XmlHelper.WriteAttribute(sw, "patternType", this.patternType.ToString());
             if (this.fgColor == null && this.bgColor == null)
             {
                 sw.Write("/>");
@@ -120,7 +121,7 @@ public CT_Color bgColor
         }
 
         [XmlAttribute]
-        public ST_PatternType patternType
+        public ST_PatternType? patternType
         {
             get
             {