/// <summary>
/// Returns the bounding box of the content.
/// </summary>
internal override Rect GetContentBounds()
{
if (_content != null)
{
Rect resultRect = Rect.Empty;
MediaContext mediaContext = MediaContext.From(Dispatcher);
BoundsDrawingContextWalker ctx = mediaContext.AcquireBoundsDrawingContextWalker();
resultRect = _content.GetContentBounds(ctx);
mediaContext.ReleaseBoundsDrawingContextWalker(ctx);
return(resultRect);
}
else
{
return(Rect.Empty);
}
}