override SetInitialBestSize() to do nothing (we must add our strings first)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27074 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/ctrlsub.h

@@ -154,6 +154,16 @@ public:
     // colour
     virtual bool ShouldInheritColours() const { return false; }
 
+protected:
+    // we can't compute our best size before the items are added to the control
+    // which is done after calling SetInitialBestSize() (it is called from the
+    // base class ctor and the items are added in the derived class ctor), so
+    // don't do anything at all here as our size will be changed later anyhow
+    //
+    // of course, all derived classes *must* call SetBestSize() from their
+    // ctors for this to work!
+    virtual void SetInitialBestSize(const wxSize& WXUNUSED(size)) { }
+
 private:
     DECLARE_NO_COPY_CLASS(wxControlWithItems)
 };