public delegate void ParameterValueRequestEventHandler(
	Object sender,
	QueryRequiredFieldValueRequestEventArgs e
)

Public Delegate Sub ParameterValueRequestEventHandler ( 
	sender As Object,
	e As QueryRequiredFieldValueRequestEventArgs
)

public delegate void ParameterValueRequestEventHandler(
	Object^ sender, 
	QueryRequiredFieldValueRequestEventArgs^ e
)

function(sender, e);