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BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
if (!CFrameWnd::PreCreateWindow(cs)) return FALSE;
if (!m_bOwnerCreated) // "dialog-is-created" flag
{
// m_MainFrameOwner - CDialog object mapped to the resource dialog template
m_bOwnerCreated = m_MainFrameOwner.Create(IDD_FRAMEOWNER);
if (m_bOwnerCreated) m_MainFrameOwner.ShowWindow(SW_HIDE);
};
// set the dialog as a parent of CMainFrame window
if (m_bOwnerCreated)
cs.hwndParent = m_MainFrameOwner.GetSafeHwnd();
return TRUE;
}
BOOL CMainFrame::ShowTaskBarButton(BOOL bVisible)
{
if (!m_bOwnerCreated) return FALSE;
ShowWindow(SW_HIDE);
if (bVisible)
ModifyStyleEx(0, WS_EX_APPWINDOW);
else
ModifyStyleEx(WS_EX_APPWINDOW, 0);
ShowWindow(SW_SHOW);
return TRUE;
}
CFrameWnd *parentWnd = new CFrameWnd(); //新加语句
parentWnd->Create( 0, 0, WS_OVERLAPPEDWINDOW ); //新加语句
CYOUDlg dlg(parentWnd); //修改语句 CYOUDlg 是主对话框类
m_pMainWnd = &dlg;
int nResponse = dlg.DoModal();
if (nResponse == IDOK)
........................
在 BOOL CYOUDlg ::OnInitDialog() 加入
ModifyStyleEx(WS_EX_APPWINDOW,0);