FORWARD_WM_NOTIFY macro

Sends or posts the WM_NOTIFY message.

Syntax


VOID FORWARD_WM_NOTIFY(
   HWND     hwnd,
   int      idFrom,
   NMHDR    *pnmhdr,
   function fn
);

Parameters

hwnd

Type: HWND

A handle to the window that receives the WM_NOTIFY message.

idFrom

Type: int

The identifier of the control sending the message.

pnmhdr

Type: NMHDR*

A pointer to an NMHDR structure that contains the notification code and additional information. For some notification codes, this parameter points to a larger structure that has the NMHDR structure as its first member.

fn

Type: function

The function that sends or posts the WM_NOTIFY message. This parameter can be either the SendMessage or PostMessage function.

Return value

Returns a value whose meaning depends on the fn parameter.

Remarks

The FORWARD_WM_NOTIFY macro is defined as follows.

#define FORWARD_WM_NOTIFY(hwnd, idFrom, pnmhdr, fn) \ 

    (void)(fn)((hwnd), WM_NOTIFY, (WPARAM)(int)(id), \ 
    (LPARAM)(NMHDR*)(pnmhdr)) 

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Commctrl.h

 

 

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