public static IntPtr GetAppIcon(Window wnd, int index)
{
IntPtr hwnd = wnd.Handle;
IntPtr iconHandle = IntPtr.Zero;
if (index == 0)
{
iconHandle = User32.SendMessage(hwnd, User32.WM_GETICON, User32.ICON_SMALL2, 0);
}
if (index == 1)
{
iconHandle = User32.SendMessage(hwnd, User32.WM_GETICON, User32.ICON_SMALL, 0);
}
if (index == 2)
{
iconHandle = User32.SendMessage(hwnd, User32.WM_GETICON, User32.ICON_BIG, 0);
}
if (index == 3)
{
iconHandle = Taskbar.GetClassLongPtr(hwnd, User32.GCL_HICONSM);
}
if (index == 4)
{
iconHandle = Taskbar.GetClassLongPtr(hwnd, User32.GCL_HICON);
}
return(iconHandle);
}