OnPreSendSingleInvoice Delegate

public delegate void OnPreSendSingleInvoice(
	Object sender,
	PreSendSingleInvoiceEventArgs args
)

Public Delegate Sub OnPreSendSingleInvoice ( 
	sender As Object,
	args As PreSendSingleInvoiceEventArgs
)

public delegate void OnPreSendSingleInvoice(
	Object^ sender, 
	PreSendSingleInvoiceEventArgs^ args
)

type OnPreSendSingleInvoice = 
    delegate of 
        sender : Object * 
        args : PreSendSingleInvoiceEventArgs -> unit