[idd] helper: require numeric input for modes

idd/LGIddHelper/CConfigWindow.cpp

@@ -110,9 +110,9 @@ LRESULT CConfigWindow::onCreate()
   m_heightLabel.reset(new CStaticWidget(L"Height:", WS_CHILD | WS_VISIBLE | SS_CENTERIMAGE, m_hwnd));
   m_refreshLabel.reset(new CStaticWidget(L"Refresh:", WS_CHILD | WS_VISIBLE | SS_CENTERIMAGE, m_hwnd));
 
-  m_modeWidth.reset(new CEditWidget(WS_CHILD | WS_VISIBLE | ES_LEFT, m_hwnd));
-  m_modeHeight.reset(new CEditWidget(WS_CHILD | WS_VISIBLE | ES_LEFT, m_hwnd));
-  m_modeRefresh.reset(new CEditWidget(WS_CHILD | WS_VISIBLE | ES_LEFT, m_hwnd));
+  m_modeWidth.reset(new CEditWidget(WS_CHILD | WS_VISIBLE | ES_LEFT | ES_NUMBER, m_hwnd));
+  m_modeHeight.reset(new CEditWidget(WS_CHILD | WS_VISIBLE | ES_LEFT | ES_NUMBER, m_hwnd));
+  m_modeRefresh.reset(new CEditWidget(WS_CHILD | WS_VISIBLE | ES_LEFT | ES_NUMBER, m_hwnd));
 
   m_modeUpdate.reset(new CButton(L"Save", WS_CHILD | WS_VISIBLE, m_hwnd));
   m_modeDelete.reset(new CButton(L"Delete", WS_CHILD | WS_VISIBLE, m_hwnd));