public void ToolkitExpose(Graphics graphics)
{
IToolkitEventSink co = this.mControlWeakRef.Target as IToolkitEventSink;
if (null != co)
{
co.ToolkitExpose(graphics);
}
}
// Handle a paint event from Xsharp.
protected override void OnPaint(Xsharp.Graphics graphics)
{
if (sink != null)
{
System.Drawing.Region clip = RegionToDrawingRegion(graphics.ExposeRegion);
DrawingGraphics g = new DrawingGraphics(toolkit, graphics);
using (System.Drawing.Graphics gr =
ToolkitManager.CreateGraphics(g, clip))
{
sink.ToolkitExpose(gr);
}
}
}
// WM_PAINT Message
internal void Paint()
{
Win32.Api.PAINTSTRUCT myPS = new System.Drawing.Win32.Api.PAINTSTRUCT();
hdc = Win32.Api.BeginPaint(hwnd, ref myPS);
if (sink != null)
{
DrawingGraphics g = new DrawingGraphics(toolkit, hdc);
Region clip = new Region(Rectangle.FromLTRB(myPS.rcPaintLeft, myPS.rcPaintTop, myPS.rcPaintRight, myPS.rcPaintBottom));
System.Drawing.Graphics gr = ToolkitManager.CreateGraphics(g, clip);
try
{
sink.ToolkitExpose(gr);
}
finally
{
// EndPaint deletes the hdc but that doesnt matter.
Win32.Api.EndPaint(hwnd, ref myPS);
gr.Dispose();
}
//Console.WriteLine( "DrawingWindow.Paint "+ sink +","+gr.ClipBounds.ToString());
}
}
