public static void LoadBitmaps()
{
Assembly myAssembly = Assembly.GetExecutingAssembly();
Stream myStream = myAssembly.GetManifestResourceStream("ArcGIS4LocalGovernment.Images.AttributeAssistantToggleOnSolidOff.png");
AAState.bmpOff = new Bitmap(myStream);
AAState.bmpOff.MakeTransparent(AAState.bmpOff.GetPixel(0, 0));
Stream myStream2 = myAssembly.GetManifestResourceStream("ArcGIS4LocalGovernment.Images.AttributeAssistantToggleOnSolidOn.png");
AAState.bmpOn = new Bitmap(myStream2);
AAState.bmpOn.MakeTransparent(AAState.bmpOn.GetPixel(0, 0));
}