- bool b = (hwnd != NULL);
- if (b)
- {
- if (cancel)
- ::SetWindowText(hwnd, wxEmptyString); // dubious but better than nothing
- if (m_textCtrl)
- {
- m_textCtrl->UnsubclassWin();
- m_textCtrl->SetHWND(0);
- delete m_textCtrl;
- m_textCtrl = NULL;
- }
- ::DestroyWindow(hwnd);
- }
- return b;
+ if ( !hwnd )
+ return false;
+
+ if ( cancel )
+ ::SetWindowText(hwnd, wxEmptyString); // dubious but better than nothing
+
+ // we shouldn't destroy the control ourselves according to MSDN, which
+ // proposes WM_CANCELMODE to do this, but it doesn't seem to work
+ //
+ // posting WM_CLOSE to it does seem to work without any side effects
+ ::PostMessage(hwnd, WM_CLOSE, 0, 0);
+
+ return true;