Add generic category window to WPF library

Extensions/IconExtensions.cs

@@ -0,0 +1,30 @@
+using System;
+using System.ComponentModel;
+using System.Drawing;
+using System.Runtime.InteropServices;
+using System.Windows;
+using System.Windows.Interop;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+
+namespace Common.Wpf.Extensions
+{
+    public static class IconExtensions
+    {
+        [DllImport("gdi32.dll", SetLastError = true)]
+        private static extern bool DeleteObject(IntPtr hObject);
+
+        public static ImageSource ToImageSource(this Icon icon)
+        {
+            var bitmap = icon.ToBitmap();
+            var hBitmap = bitmap.GetHbitmap();
+
+            ImageSource wpfBitmap = Imaging.CreateBitmapSourceFromHBitmap(hBitmap, IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
+
+            if (!DeleteObject(hBitmap))
+                throw new Win32Exception();
+
+            return wpfBitmap;
+        }
+    }
+}