调节画刷的RGB,不管怎么调节,最后都是黑色
代码如下:
brs1.CreateSolidBrush(RGB(0,0,0)); //创建画刷
OldBrs1 = paletteDC->SelectObject(&brs1); //选择画刷
paletteDC->Rectangle(i,PointY,i+1,PointY+50);
paletteDC->SelectObject(&OldBrs1);// 恢复旧画刷
//删除画刷
brs1.DeleteObject();
OldBrs1->DeleteObject();
效果如下:

求解为啥会出现这种情况!!!