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WM_FORWARDMSG

This macro forwards a message received by a window to another window for processing.

WM_FORWARDMSG

Nonzero if the message was processed, zero if not.

Use WM_FORWARDMSG to forward a message received by a window to another window for processing. The LPARAM and WPARAM parameters are used as follows:

Parameter

Usage

WPARAM

Data defined by user

LPARAM

A pointer to a MSG structure that contains information about a message

In the following example, m_hWndOther represents the other window that receives this message.

LRESULT CMyWindow::OnMsg(UINT nMsg, WPARAM wParam, LPARAM lParam, 
   BOOL& bHandled)
{
   MSG msg = { m_hWnd, nMsg, wParam, lParam, 0, { 0, 0 } };
   LRESULT lRet = SendMessage(m_hWndOther, WM_FORWARDMSG, 0, (LPARAM)&msg);
   if(lRet == 0)   // not handled
      bHandled = FALSE;
   return 0;
}

Header: atlbase.h

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