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CWnd *pChild = this->GetWindow(GW_CHILD); TCHAR szClassName[255] = { 0 }; while (pChild) { //获得类名 GetClassName(pChild->GetSafeHwnd(), szClassName, 255); CString strTemp=_T(""); //清空控件 pChild->SendMessage(WM_SETTEXT, 0, (LPARAM)(LPWSTR)(LPCWSTR)strTemp ); pChild = pChild->GetWindow(GW_HWNDNEXT); }