www.mxdraw.com
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自绘函数,用户需要实现该函数,实现自绘背景.
virtual BOOL Draw(IN CDC* pDC, IN MxDraw::MXDRAWOCXHANDLE hOcx, IN COLORREF bkColor, IN const McGePoint3d& ptDocLb, IN const McGePoint3d& ptDocRt, IN const CPoint& ptViewLT, IN const CPoint& ptViewRB, IN double dViewAngle, IN BOOL isViewMoveing) = NULL;
参数 |
说明 |
IN CDC* pDC |
自绘使用的CDC对象 |
IN COLORREF bkColor |
控件的背景颜色 |
IN const McGePoint3d& ptDocLb |
控件当前显示文档范围的左下角坐标 |
IN const McGePoint3d& ptDocRt |
控件当前显示文档范围的右上角坐标 |
IN const CPoint& ptViewLT |
控件当前显示视区的左上角坐标 |
IN const CPoint& ptViewRB |
控件当前显示视区的右下角坐标 |
IN double dViewAngle |
视区的旋转角度 |
IN BOOL isViewMoveing |
当前是否正处于视区移动状态。 |
返回TRUE,使用背景绘制.