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virtual void DrawContent (GraphicsEngine &GfxContext, bool force_draw);
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virtual void PostDraw (GraphicsEngine &GfxContext, bool force_draw);
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virtual long ProcessEvent (Event &event, long TraverseInfo, long ProcessEventInfo);
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void RecvMouseWheel(int x, int y, int wheel_delta, long button_flags, unsigned long key_flags);
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//! Change Vertical Scrollbar in the ScrollView.
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change the vertical scrollbar.
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void SetVScrollBar (VScrollBar* newVScrollBar);
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// Backup texture to speed up scrolling
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ObjectPtr<IOpenGLFrameBufferObject> m_FrameBufferObject;