fixed wxComboBox initial autosizing (patch 496702)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13244 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/combobox.cpp

@@ -311,8 +311,6 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
     if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) )
         return FALSE;
 
-    SetSize(pos.x, pos.y, size.x, size.y);
-
     // A choice/combobox normally has a white background (or other, depending
     // on global settings) rather than inheriting the parent's background colour.
     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
@@ -327,6 +325,10 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
         SetValue(value);
     }
 
+    // do this after appending the values to the combobox so that autosizing
+    // works correctly
+    SetSize(pos.x, pos.y, size.x, size.y);
+
     // a (not read only) combobox is, in fact, 2 controls: the combobox itself
     // and an edit control inside it and if we want to catch events from this
     // edit control, we must subclass it as well