Webb11 apr. 2015 · Hi, I have drawn a circle in OnPaint of my dialog. And created one more small circle on the circumference of the bigger circle. On mouse move i am moving the small circle in the circumference of the bigger one. I am facing some flickering issue. My all painint work is in OnPaint. I tried using ... · There are two general items that cause ...
SelectStockObject_百度百科
Webb6 juni 2008 · Selects a CGdiObject object that corresponds to one of the predefined stock pens, brushes, or fonts. virtual CGdiObject* SelectStockObject ( int nIndex ); Parameters nIndex Specifies the kind of stock object desired. It can be one of the following values: BLACK_BRUSH Black brush. DKGRAY_BRUSH Dark gray brush. GRAY_BRUSH … Webb8 apr. 2024 · There's two objects involved in every SelectObject call: The object currently selected into a device context, and the object about to be selected. It's always required … costco near chambersburg pa
pdc->SelectStockObject(BLACK_BRUSH),刷后,再选NULL_BRUSH …
Webb5 juni 2010 · pdc->SelectStockObject(NULL_BRUSH); if(red) {pdc->SelectStockObject (BLACK_BRUSH);} pdc->Ellipse(rcBounds);} 但每次点过左键后,再点右键,黑椭圆不 … Webb26 apr. 2012 · NULL BRUSH 라고도 한다 브러쉬를 투명으로 지정하는건데... 머 방법이야 많겠지만 매우 간단한 방법 하나! 참고로 SetBkMode( TRANSPARENT ); 를 해준다고 해서 해당 오브젝트의 배경이 투명해 지진 않는다.ㅡ.,ㅡ; 간단하게~ dc.SelectStockObject(NULL_BURSH); 를 사용하면 브러쉬가 바로 적용이 된다. … WebbpDC->SelectStockObject(BLACK_PEN); 使用设备上下文画线状图:画线状图以及面状图的边线,所使用的是当前设备上下文中的笔对象。 线状图有直线、折线、矩形、(椭)圆(弧)等,详见4)(2) 将笔对象从设备上下文中放出:为了能删除使用过的笔对象,必须先将它从设备上下文中释放出来后,然后才能删除。 释放的方法是装入其他的笔对象( … costco near boynton beach fl