System 2.0.0.0 4.0.0.0 System.ComponentModel.ISupportInitialize You should implement this interface when your component has initialization dependencies on other components that also implement the interface. You can check to see if the dependent components have completed initialization by checking the property. is implemented by the and types. Allows coordination of initialization for a component and its dependent properties. Event 2.0.0.0 4.0.0.0 System.EventHandler This event typically occurs during the call to the method for the component, but it may occur later if the component has dependent controls that implement the interface and the dependent controls have not completed initialization. For more information about handling events, see Consuming Events. Occurs when initialization of the component is completed. Property 2.0.0.0 4.0.0.0 System.Boolean To be added. The property is automatically set to false when the method is called, and true when the method is called. Gets a value indicating whether the component is initialized.