/// <summary>
/// Splits the given composite shape into independent shapes.
/// </summary>
public void SplitCompositeShape(Diagram diagram, Shape compositeShape)
{
if (diagram == null) throw new ArgumentNullException("diagram");
if (compositeShape == null) throw new ArgumentNullException("compositeShape");
if (compositeShape == null) throw new ArgumentNullException("compositeShape");
Debug.Assert(!(compositeShape is IShapeGroup));
// Add grouped shapes to shape buffer for selecting them later
shapeBuffer.Clear();
shapeBuffer.AddRange(compositeShape.Children);
shapeBuffer.Add(compositeShape);
ICommand cmd = new SplitCompositeShapeCommand(diagram, diagram.GetShapeLayers(compositeShape), compositeShape);
Project.ExecuteCommand(cmd);
shapeBuffer.Clear();
}
