/// <summary>
/// Initializes a new instance of the InstanceWidget with the specified handler type
/// </summary>
/// <param name="generator">Generator for the widget</param>
/// <param name="handlerType">Type of the handler to create as the backend for this widget</param>
/// <param name="initialize">True to call handler's Initialze method, false otherwise</param>
protected InstanceWidget(Generator generator, Type handlerType, bool initialize = true)
: base(generator, handlerType, initialize)
{
this.handler = (IInstanceWidget)Handler;
}