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如题:
注册 WindLButtonDown,WindLButtonUp,WindMouseMove三个函数,
如何实现左键按下纪录矩形的起始坐标,鼠标移动时实时绘制矩形,
int Wind:: WindLButtonDown(HELE hEle,HELE hEventEle,UINT flags,POINT *pPt,BOOL *pBool)
{
startx=pPt->x;
starty=pPt->y;
return 0;
}
int Wind:: WindMouseMove(HELE hEle,HELE hEventEle,UINT flags,POINT *pPt,BOOL *pBool)
{
//这个怎么写?
//如何创建画笔? hDraw这个参数怎么确定?
return 0;
}
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