public delegate void RetrieveCallResponseHandler(
	Object sender,
	ThirdPartyCallController..::..RetrieveCallResponseArgs e
)

Public Delegate Sub RetrieveCallResponseHandler ( _
	sender As Object, _
	e As ThirdPartyCallController..::..RetrieveCallResponseArgs _
)

public delegate void RetrieveCallResponseHandler(
	Object^ sender, 
	ThirdPartyCallController..::..RetrieveCallResponseArgs^ e
)