<summary>Implements the OnAddInsUpdate method of the IDTExtensibility2 interface. Receives notification when the collection of Add-ins has changed.</summary>
<paramterm='custom'>Array of parameters that are host application specific.</param>
<summary>Implements the OnStartupComplete method of the IDTExtensibility2 interface. Receives notification that the host application has completed loading.</summary>
<paramterm='custom'>Array of parameters that are host application specific.</param>
<summary>Implements the OnBeginShutdown method of the IDTExtensibility2 interface. Receives notification that the host application is being unloaded.</summary>
<paramterm='custom'>Array of parameters that are host application specific.</param>