Ejemplos de System.Windows.Forms SafeNativeMethods.BitBlt en C# (CSharp)

Ejemplo n.º 1

            public override void PaintBuffer()
            {
                IntPtr destDC;

                if (targetGraphics != null)
                {
                    destDC = targetGraphics.GetHdc();
                }
                else
                {
                    destDC = targetDC;
                }

                try {
                    int rop = 0xcc0020; // RasterOp.SOURCE.GetRop();
                    SafeNativeMethods.BitBlt(new HandleRef(targetGraphics, destDC),
                                             targetX, targetY, virtualWidth, virtualHeight,
                                             new HandleRef(this, compatDC), 0, 0,
                                             rop);
                }
                finally {
                    if (targetGraphics != null)
                    {
                        targetGraphics.ReleaseHdcInternal(destDC);
                    }
                }
            }