#9591: Item state (icons) for wxTreeCtrl on any platform

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54267 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/treectrl.h

@@ -202,14 +202,6 @@ public:
     virtual bool SetBackgroundColour(const wxColour &colour);
     virtual bool SetForegroundColour(const wxColour &colour);
 
-    // get/set the check state for the item (only for wxTR_MULTIPLE)
-    bool IsItemChecked(const wxTreeItemId& item) const;
-    void SetItemCheck(const wxTreeItemId& item, bool check = true);
-
-    // set/get the item state.image (state == -1 means cycle to the next one)
-    void SetState(const wxTreeItemId& node, int state);
-    int GetState(const wxTreeItemId& node);
-
     // returns true if the platform should explicitly apply a theme border
     virtual bool CanApplyThemeBorder() const { return false; }
 
@@ -223,6 +215,9 @@ protected:
     // end edit label
     void DoEndEditLabel(bool discardChanges = false);
 
+    virtual int DoGetItemState(const wxTreeItemId& item) const;
+    virtual void DoSetItemState(const wxTreeItemId& item, int state);
+
     virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
                                       size_t pos,
                                       const wxString& text,