Add wxComboBox-compatible Popup() and Dismiss() functions in wxComboCtrl

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66397 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/combocmn.cpp

@@ -2078,11 +2078,7 @@ void wxComboCtrlBase::OnButtonClick()
     {
         case Hidden:
         {
-            wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId());
-            event.SetEventObject(this);
-            HandleWindowEvent(event);
-
-            ShowPopup();
+            Popup();
             break;
         }
 
@@ -2095,6 +2091,15 @@ void wxComboCtrlBase::OnButtonClick()
     }
 }
 
+void wxComboCtrlBase::Popup()
+{
+    wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId());
+    event.SetEventObject(this);
+    HandleWindowEvent(event);
+
+    ShowPopup();
+}
+
 void wxComboCtrlBase::ShowPopup()
 {
     EnsurePopupControl();