sendmsg.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 63 行

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
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*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include "cover.h"

LONG PASCAL _Cover_SendMessage(HWND hwnd, WORD msg, WORD wp, LONG lp)
{
    BOOL                alias;
    LONG                rc,olp;
    MDICREATESTRUCT     *mcs;
    LPSTR               oldclass,oldtitle;


    if( msg == WM_MDICREATE ) {
        mcs = (MDICREATESTRUCT *) lp;
        oldclass = (LPSTR) mcs->szClass;
        oldtitle = (LPSTR) mcs->szTitle;
    }
    olp = lp;
    alias = TryAlias( hwnd, msg, &lp );
    rc = SendMessage( hwnd, msg, wp, lp );
    if( alias ) {
        FreeAlias16( lp );
        if( msg == WM_MDICREATE ) {
            mcs = (MDICREATESTRUCT *) olp;
            FreeAlias16( (DWORD) mcs->szClass );
            FreeAlias16( (DWORD) mcs->szTitle );
            mcs->szClass = oldclass;
            mcs->szTitle = oldtitle;
        }
    }
    return( rc );
}