[idd] helper: allow scrolling when mode list is long

idd/LGIddHelper/CConfigWindow.cpp

@@ -93,7 +93,7 @@ LRESULT CConfigWindow::onCreate()
 
   m_modeGroup.reset(new CGroupBox(L"Custom modes", WS_CHILD | WS_VISIBLE, m_hwnd));
 
-  m_modeBox.reset(new CListBox(WS_CHILD | WS_VISIBLE | LBS_NOTIFY, m_hwnd));
+  m_modeBox.reset(new CListBox(WS_CHILD | WS_VISIBLE | WS_VSCROLL | LBS_NOTIFY, m_hwnd));
   if (m_modes)
   {
     m_modeBox->addItem(L"<add new>", -1);
@@ -178,17 +178,9 @@ LRESULT CConfigWindow::onCommand(WORD id, WORD code, HWND hwnd)
 
     int index = m_modeBox->getData(sel);
     auto &mode = index >= 0 ? (*m_modes)[index] : m_modes->emplace_back();
-
-    try
-    {
-      mode.width = m_modeWidth->getNumericValue();
-      mode.height = m_modeHeight->getNumericValue();
-      mode.refresh = m_modeRefresh->getNumericValue();
-    }
-    catch (std::logic_error&)
-    {
-      return 0;
-    }
+    mode.width = m_modeWidth->getNumericValue();
+    mode.height = m_modeHeight->getNumericValue();
+    mode.refresh = m_modeRefresh->getNumericValue();
 
     if (index >= 0)
       m_modeBox->delItem(sel);