C2021-035 Add Refresh Tree Option at highest level

PROMS/VEPROMS.CSLA.Library/Extension/PropertyDescriptors.cs

@@ -97,6 +97,12 @@ namespace VEPROMS.CSLA.Library
 				if (formatInfo != null && formatInfo.ToString() == formatName) return formatInfo.Get();
 			return null;
 		}
+		//C2021-035 Add Refresh Tree Option at highest level
+		public static void Reset()
+        {
+			_MyFormatInfoList?.Clear();
+			_MyFormatInfoList = null;
+		}
 	}
 	public class DocStyleListConverter : System.ComponentModel.StringConverter
 	{