internal GlowDrawingContext(int width, int height)
{
ScreenDC = InteropMethods.GetDC(IntPtr.Zero);
if (ScreenDC == IntPtr.Zero)
{
return;
}
WindowDC = InteropMethods.CreateCompatibleDC(ScreenDC);
if (WindowDC == IntPtr.Zero)
{
return;
}
BackgroundDC = InteropMethods.CreateCompatibleDC(ScreenDC);
if (BackgroundDC == IntPtr.Zero)
{
return;
}
Blend.BlendOp = 0;
Blend.BlendFlags = 0;
Blend.SourceConstantAlpha = 255;
Blend.AlphaFormat = 1;
_windowBitmap = new GlowBitmap(ScreenDC, width, height);
InteropMethods.SelectObject(WindowDC, _windowBitmap.Handle);
}