CBrush brushBlue(RGB(0, 0, 255));
CBrush* pOldBrush = pDC->SelectObject(&brushGreen);
pDC->SelectObject(&brushBlue);
pDC->Rectangle(rect);
pDC->SelectObject(pOldBrush);
pDC->Rectangle(rect2);
我在视图ONDRAW中写如上代码
划的两个矩形,都被填了绿色是怎么回事
CBrush* pOldBrush = pDC->SelectObject(&brushGreen);
pDC->SelectObject(&brushBlue);
pDC->Rectangle(rect);
pDC->SelectObject(pOldBrush);
pDC->Rectangle(rect2);
我在视图ONDRAW中写如上代码
划的两个矩形,都被填了绿色是怎么回事
SelectObject,
以后再调用该函数,就没有任何作用了