绘图时如何释放DC?
void draw()
{
CWnd* pWnd = GetDlgItem(IDC_PICTURE);// 获取绘图的标签
CDC* pDC = pWnd->GetDC();// 获取设备上下文
int nOldDrawMode = pDC->SetROP2(R2_XORPEN);// 设置绘制方式为异或模式
pDC->SetBkMode(TRANSPARENT);
pDC->MoveTo(,);
....
//最后如何释放呢?是用pDC->DeleteDC()吗?
}
请各位不吝赐教。