对于下面的代码
我有疑问
rp是局部变量
执行WM_USER_APPLY消息的处理函数时,COptionsDialog::OnOK ()函数已经执行完毕了啊,rp还有效吗?void COptionsDialog::OnOK ()
{
UpdateData (TRUE); RECTPROP rp;
rp.nWidth = m_nWidth;
rp.nHeight = m_nHeight;
rp.nUnits = m_nUnits;
AfxGetMainWnd ()->SendMessage (WM_USER_APPLY, 0, (LPARAM) &rp);
}
我有疑问
rp是局部变量
执行WM_USER_APPLY消息的处理函数时,COptionsDialog::OnOK ()函数已经执行完毕了啊,rp还有效吗?void COptionsDialog::OnOK ()
{
UpdateData (TRUE); RECTPROP rp;
rp.nWidth = m_nWidth;
rp.nHeight = m_nHeight;
rp.nUnits = m_nUnits;
AfxGetMainWnd ()->SendMessage (WM_USER_APPLY, 0, (LPARAM) &rp);
}
解决方案 »
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