public delegate void CvWin32WindowCallback(
	IntPtr hwnd,
	int msg,
	IntPtr wParam,
	IntPtr lParam,
	IntPtr result
)

Public Delegate Sub CvWin32WindowCallback ( 
	hwnd As IntPtr,
	msg As Integer,
	wParam As IntPtr,
	lParam As IntPtr,
	result As IntPtr
)

public delegate void CvWin32WindowCallback(
	IntPtr hwnd, 
	int msg, 
	IntPtr wParam, 
	IntPtr lParam, 
	IntPtr result
)

type CvWin32WindowCallback = 
    delegate of 
        hwnd : IntPtr * 
        msg : int * 
        wParam : IntPtr * 
        lParam : IntPtr * 
        result : IntPtr -> unit