public static extern bool UpdateLayeredWindow(IntPtr hwnd, IntPtr hdcDst, ref POINTAPI pptDst, ref SIZE psize, IntPtr hdcSrc, ref POINTAPI pprSrc, int crKey, ref BLENDFUNCTION pblend, int dwFlags);
public static extern bool AlphaBlend( IntPtr hdcDest, // handle to destination DC int nXOriginDest, // x-coord of upper-left corner int nYOriginDest, // y-coord of upper-left corner int nWidthDest, // destination width int nHeightDest, // destination height IntPtr hdcSrc, // handle to source DC int nXOriginSrc, // x-coord of upper-left corner int nYOriginSrc, // y-coord of upper-left corner int nWidthSrc, // source width int nHeightSrc, // source height BLENDFUNCTION blendFunction // alpha-blending function );
