Pilz.UI: convert to C#

Pilz.UI/Extensions.vb

@@ -0,0 +1,14 @@
+Imports System.Drawing
+Imports System.Runtime.CompilerServices
+
+Public Module Extensions
+
+    <Extension>
+    Public Function ToIcon(image As Image)
+        If TypeOf image Is Bitmap Then
+            Return Icon.FromHandle(CType(image, Bitmap).GetHicon)
+        End If
+        Return Nothing
+    End Function
+
+End Module