public static void SetElevationRequiredState(this ButtonBase btn, bool required = true)
{
if (System.Environment.OSVersion.Version.Major >= 6)
{
const uint BCM_SETSHIELD = 0x160C; //Elevated button
btn.FlatStyle = required ? FlatStyle.System : FlatStyle.Standard;
SendMessage(btn.Handle, BCM_SETSHIELD, IntPtr.Zero, required ? new IntPtr(0xFFFFFFFF) : IntPtr.Zero);
btn.Invalidate();
}
else
{
throw new PlatformNotSupportedException();
}
}
