public delegate void ButtonSelectedEventHandler(
	Object sender,
	STNullDeviceRegionSelectedEventArgs e
)

Public Delegate Sub ButtonSelectedEventHandler ( 
	sender As Object,
	e As STNullDeviceRegionSelectedEventArgs
)

public delegate void ButtonSelectedEventHandler(
	Object^ sender, 
	STNullDeviceRegionSelectedEventArgs^ e
)

type ButtonSelectedEventHandler = 
    delegate of 
        sender : Object * 
        e : STNullDeviceRegionSelectedEventArgs -> unit