public function GetFrontBufferData( frontBuffer : Surface );
Parameters
frontBuffer
Microsoft.DirectX.Direct3D.Surface. [in, out] A Surface object that receives a copy of the swap chain's front buffer. The data is returned in successive rows with no intervening space, from the vertically highest row to the lowest.
Remarks
For windowed mode, the size of the destination surface should be the size of the desktop. For full-screen mode, the size of the destination surface should be the screen size.