public override void RenderTo(IntPtr destHdc, int sourceX, int sourceY, Rectangle destArea)
{
MyWin32.SetViewportOrgEx(win32MemDc.DC, CanvasOrgX, CanvasOrgY, IntPtr.Zero);
MyWin32.BitBlt(
destHdc, destArea.X, destArea.Y, destArea.Width, destArea.Height, //dest
win32MemDc.DC, sourceX, sourceY, MyWin32.SRCCOPY); //src
MyWin32.SetViewportOrgEx(win32MemDc.DC, -CanvasOrgX, -CanvasOrgY, IntPtr.Zero);
}
public override void RenderTo(IntPtr destHdc, int sourceX, int sourceY, Rectangle destArea)
{
IntPtr gxdc = gx.GetHdc();
MyWin32.SetViewportOrgEx(gxdc, CanvasOrgX, CanvasOrgY, IntPtr.Zero);
MyWin32.BitBlt(destHdc, destArea.X, destArea.Y,
destArea.Width, destArea.Height, gxdc, sourceX, sourceY, MyWin32.SRCCOPY);
MyWin32.SetViewportOrgEx(gxdc, -CanvasOrgX, -CanvasOrgY, IntPtr.Zero);
gx.ReleaseHdc();
}