public static bool WindowDisableRendering(IntPtr hWnd)
{
DWMNCRENDERINGPOLICY NCRP = DWMNCRENDERINGPOLICY.Disabled;
int ncrp = (int)NCRP;
// Disable non-client area rendering on the window.
int result = SafeNativeMethods.DwmSetWindowAttribute(hWnd, DWMWINDOWATTRIBUTE.NCRenderingPolicy, ref ncrp, sizeof(int));
return (result == 0);
}
public static extern int DwmSetWindowAttribute(IntPtr hwnd, DWMWINDOWATTRIBUTE attr, ref DWMNCRENDERINGPOLICY attrValue, int attrSize);