WPF Adorner Clipping

Question

I have an ItemsControl in a ScrollViewer. The items in the ItemsControl are expanded to a DataTemplate which basically consis

Answer 1

My solution was to push a clip region onto the drawing context, render whatever I needed, and pop the clipping at the end, like this:

drawingContext.PushClip(new RectangleGeometry(new Rect(0, 0, this.AdornedElement.RenderSize.Width, this.AdornedElement.RenderSize.Height)));
// continue drawing
drawingContext.Pop();

You can plug this in into any Adorner, the bounds are already available as part of the element.