public override SizeF GetBackgroundExtent(MeasureHelper measure, SizeF contentSize)
{
if (Application.RenderWithVisualStyles && VisualStyleRenderer.IsElementDefined(GetBackgroundElement()))
{
Rectangle content = new Rectangle(new Point(0, 0), Size.Ceiling(contentSize));
contentSize = GetRenderer(GetBackgroundElement()).GetBackgroundExtent(measure.Graphics, content).Size;
}
else
{
contentSize = mStandardHeader.GetBackgroundExtent(measure, contentSize);
}
return(base.GetBackgroundExtent(measure, contentSize));
}
public override SizeF GetBackgroundExtent(MeasureHelper measure, SizeF contentSize)
{
contentSize = mBackground.GetBackgroundExtent(measure, contentSize);
return(base.GetBackgroundExtent(measure, contentSize));
}