#pragma once class CPartialGroupBox : public CWindowImpl { void Draw3dLine(CPaintDC & dc, LPCRECT lpRect, COLORREF clrTopLeft, COLORREF clrBottomRight); public: BEGIN_MSG_MAP_EX(CPartialGroupBox) MSG_WM_PAINT(OnPaint) END_MSG_MAP() // Constructors CPartialGroupBox() { } virtual ~CPartialGroupBox() { } BOOL Attach(HWND hWndNew); BOOL AttachToDlgItem(HWND parent, UINT dlgID); void OnPaint(HDC hDC); };