/// <summary>
/// Disconnect, disposes and deletes the given preview <see cref="T:Dataweb.NShape.Advanced.Shape" />.
/// </summary>
/// <param name="shape"></param>
protected void DeletePreviewShape(ref Shape shape) {
if (shape != null) {
// Disconnect all existing connections (disconnects model, too)
foreach (ControlPointId pointId in shape.GetControlPointIds(ControlPointCapabilities.Connect | ControlPointCapabilities.Glue)) {
ControlPointId otherPointId = shape.IsConnected(pointId, null);
if (otherPointId != ControlPointId.None) shape.Disconnect(pointId);
}
// Delete model obejct
if (shape.ModelObject != null)
shape.ModelObject = null;
// Delete shape
shape.Invalidate();
shape.Dispose();
shape = null;
}
}
