用这个:LRESULT CMy011225D00Dlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
// TODO: Add your specialized code here and/or call the base class
switch(message)
{
case WM_SYSCOMMAND:
if(wParam==SC_CLOSE)
{
TRACE("处理系统命令\n");
MessageBox("关闭按钮");
return 0;
}
break;
} return CDialog::WindowProc(message, wParam, lParam);
}
{
// TODO: Add your specialized code here and/or call the base class
switch(message)
{
case WM_SYSCOMMAND:
if(wParam==SC_CLOSE)
{
TRACE("处理系统命令\n");
MessageBox("关闭按钮");
return 0;
}
break;
} return CDialog::WindowProc(message, wParam, lParam);
}
void CDlgDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam); // <---这个
}
}在else 之前加上 你对X 的处理函数就可以了。对了,消息是SC_CLOSE Close the CWnd object.其他 的消息请参见 CWnd::OnSysCommand