source: dev/ProjectEditor/Ruler.h@ 6

#define HEIGHT_RULER 10

LRESULT CALLBACK RulerProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam);

class CRuler{
    int m_WndNum;
    HDC memdc;
    HBITMAP hMemBmp;
public:
    HWND hRulerWnd;
    CRuler(HWND hParent,int WndNum);
    ~CRuler();

    void resize(int x,int y,int cx,int cy);
    void draw(HDC hdc);
};