Media Shape
The following image shows the media shape applied to a RadPanel:
The following code shows how you can create and apply a MediaShape:
MediaShape mediaShape = new MediaShape();
radPanel1.RootElement.Shape = mediaShape;
radPanel1.RootElement.ApplyShapeToControl = true;
Dim mediaShape As New MediaShape()
radPanel1.RootElement.Shape = mediaShape
radPanel1.RootElement.ApplyShapeToControl = True