trianglebutton.h

Visual C++图形用户界面开发指南 李博轩等编著 配套源码光盘

#ifndef __TRIANGLEBUTTON_H__INCLUDED
#define __TRIANGLEBUTTON_H__INCLUDED



class CTriangleButton : public CButton
{
public:
	enum POINTDIRECTION {POINT_UP, POINT_DOWN, POINT_LEFT, POINT_RIGHT};
	
	// Construction
public:
	CTriangleButton();
	virtual ~CTriangleButton();

// Attributes
public:

protected:
	POINTDIRECTION PointDirection;
	CRgn CurrentRegion;

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTriangleButton)
	public:
	virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
	protected:
	virtual void PreSubclassWindow();
	//}}AFX_VIRTUAL

public:
	//note: SetWindowPos decreases the cx, cy parameter to nearest number dividable by two
	BOOL SetWindowPos(const CWnd* pWndInsertAfter, int x, int y, int cx, int cy, UINT nFlags );

// Implementation
public:
	void SetDirection(POINTDIRECTION PointDirection);	//sets the direction of triangle
	POINTDIRECTION GetDirection();										//gets the direction of triangle

	// Generated message map functions
protected:
	//{{AFX_MSG(CTriangleButton)
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};


#endif // __TRIANGLEBUTTON_H__INCLUDED