public HRESULT ItemPostPaint(HDC hdc, RECT *prc, NSTCCUSTOMDRAW *pnstccdItem)
 {
     return(((delegate * unmanaged <INameSpaceTreeControlCustomDraw *, HDC, RECT *, NSTCCUSTOMDRAW *, int>)(lpVtbl[6]))((INameSpaceTreeControlCustomDraw *)Unsafe.AsPointer(ref this), hdc, prc, pnstccdItem));
 }
 public HRESULT ItemPrePaint(HDC hdc, RECT *prc, NSTCCUSTOMDRAW *pnstccdItem, COLORREF *pclrText, COLORREF *pclrTextBk, LRESULT *plres)
 {
     return(((delegate * unmanaged <INameSpaceTreeControlCustomDraw *, HDC, RECT *, NSTCCUSTOMDRAW *, COLORREF *, COLORREF *, LRESULT *, int>)(lpVtbl[5]))((INameSpaceTreeControlCustomDraw *)Unsafe.AsPointer(ref this), hdc, prc, pnstccdItem, pclrText, pclrTextBk, plres));
 }