public void ReleaseDC(DxgiRect dirtyRect)
{
this.surface.ReleaseDC(ref dirtyRect);
}
public void Present(uint syncInterval, DxgiPresentOptions options, DxgiRect[] dirtyRects, DxgiRect scrollRect, DxgiPoint scrollOffset)
{
if (dirtyRects == null)
{
throw new ArgumentNullException("dirtyRects");
}
var dirtyRectsHandle = GCHandle.Alloc(dirtyRects[0], GCHandleType.Pinned);
var scrollRectHandle = GCHandle.Alloc(scrollRect, GCHandleType.Pinned);
var scrollOffsetHandle = GCHandle.Alloc(scrollOffset, GCHandleType.Pinned);
DxgiPresentParameters parameters = new DxgiPresentParameters();
parameters.DirtyRectsCount = (uint)dirtyRects.Length;
parameters.DirtyRects = dirtyRectsHandle.AddrOfPinnedObject();
parameters.ScrollRect = scrollRectHandle.AddrOfPinnedObject();
parameters.ScrollOffset = scrollOffsetHandle.AddrOfPinnedObject();
this.swapChain.Present1(syncInterval, options, ref parameters);
dirtyRectsHandle.Free();
scrollRectHandle.Free();
scrollOffsetHandle.Free();
}