Implement wxCollapsibleHeaderCtrlBase::Create()

This method was declared but not implemented, so do implement it and delegate
to it from wxGenericCollapsibleHeaderCtrl::Create().

include/wx/collheaderctrl.h

@@ -47,7 +47,15 @@ public:
         const wxSize& size = wxDefaultSize,
         long style = wxBORDER_NONE,
         const wxValidator& validator = wxDefaultValidator,
-        const wxString& name = wxCollapsibleHeaderCtrlNameStr);
+        const wxString& name = wxCollapsibleHeaderCtrlNameStr)
+    {
+        if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
+            return false;
+
+        SetLabel(label);
+
+        return true;
+    }
 
     virtual void SetCollapsed(bool collapsed = true) = 0;
 

src/generic/collheaderctrlg.cpp

@@ -57,10 +57,11 @@ bool wxGenericCollapsibleHeaderCtrl::Create(wxWindow *parent,
     const wxValidator& validator,
     const wxString& name)
 {
-    if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
+    if ( !wxCollapsibleHeaderCtrlBase::Create(parent, id, label, pos, size,
+                                              style, validator, name) )
+    {
         return false;
-
-    SetLabel(label);
+    }
 
     Bind(wxEVT_PAINT, &wxGenericCollapsibleHeaderCtrl::OnPaint, this);
     Bind(wxEVT_LEFT_DOWN, &wxGenericCollapsibleHeaderCtrl::OnLeftDown, this);