Tool Tip示范

class CWToolTipCtrl : public CToolTipCtrl
{....
bool AddTool(UINT nID, LPCTSTR lpszText);
}
bool CWToolTipCtrl::AddTool(UINT nID, LPCTSTR lpszText)
{
TOOLINFO ti;
memset(&ti, 0, sizeof(TOOLINFO));
ti.cbSize = sizeof(TOOLINFO);
ti.lpszText = (LPSTR)lpszText;
ti.uFlags = TTF_IDISHWND | TTF_SUBCLASS;
ti.uId = (UINT)GetParent()->GetDlgItem(nID)->m_hWnd;
ti.hwnd = GetOwner()->GetSafeHwnd();
return (bool)SendMessage(TTM_ADDTOOL, 0, (LPARAM)&ti);
}

调用

m_tip.Create(this);
m_tip.AddTool(IDOK,"OKCANCEL");
m_tip.AddTool(IDCANCEL,"hello,world");
m_tip.Activate(true);