support for .NET framework 3.5

Still have bugs

Net35/HandyControl_Net35/Expression/Drawing/ExceptionStringTable.cs

@@ -0,0 +1,39 @@
+using System.CodeDom.Compiler;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Globalization;
+using System.Resources;
+using System.Runtime.CompilerServices;
+
+namespace HandyControl.Expression.Drawing
+{
+    [CompilerGenerated]
+    [GeneratedCode("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
+    [DebuggerNonUserCode]
+    internal class ExceptionStringTable
+    {
+        private static ResourceManager ResourceMan;
+
+        [EditorBrowsable(EditorBrowsableState.Advanced)]
+        internal static CultureInfo Culture { get; set; }
+
+        [EditorBrowsable(EditorBrowsableState.Advanced)]
+        internal static ResourceManager ResourceManager
+        {
+            get
+            {
+                if (ReferenceEquals(ResourceMan, null))
+                {
+                    var manager = new ResourceManager("Microsoft.Expression.Drawing.ExceptionStringTable",
+                        typeof(ExceptionStringTable).Assembly);
+                    ResourceMan = manager;
+                }
+
+                return ResourceMan;
+            }
+        }
+
+        internal static string TypeNotSupported =>
+            ResourceManager.GetString("TypeNotSupported", Culture);
+    }
+}