透明static文本框有文字重叠，调用InvalidateRect刷新的话又会有闪烁 WIN32 不用InvalidateRect(hWnd,NU...
mfc\u4e2dstatic\u63a7\u4ef6\u663e\u793a\u65f6\u95f4\u95ea\u70c1\u5728MFC\u4e2d\u7528\u7f13\u5b58\u6280\u672f\u8fdb\u884c\u7ed8\u56fe\u5b8c\u5168\u53ef\u4ee5\u505a\u5230\u4e0d\u95ea\u70c1\uff0c\u4e0b\u9762\u662f\u5728\u5bf9\u8bdd\u6846\u5e94\u7528\u7a0b\u5e8fOnPaint\u51fd\u6570else\u5206\u652f\u4e2d\u7684\u4ee3\u7801\uff0c\u663e\u793a\u4e00\u884c\u6587\u672c\uff0c\u4ec5\u7528\u6765\u6d4b\u8bd5\uff1a
CWnd * pWndShow;
CDC * pDCShow;
pWndShow = GetDlgItem(IDC_STC_DRAW); // static text\u63a7\u4ef6ID
pDCShow = pWndShow->GetDC();
CDC memDC;
CRect rect;
CBitmap memBmp, *pOldBmp;
pWndShow->GetClientRect(rect);
memDC.CreateCompatibleDC(pDCShow);
memBmp.CreateCompatibleBitmap(&memDC, rect.Width(), rect.Height());
pOldBmp = memDC.SelectObject(&memBmp);
// \u66f4\u65b0\u7a97\u53e3
pWndShow->UpdateWindow();
// \u80cc\u666f\u7528\u767d\u8272\u586b\u5145
memDC.FillSolidRect(rect, RGB(255,255,255));
// \u8bbe\u7f6e\u4e3a\u900f\u660e\u6a21\u5f0f
memDC.SetBkMode(TRANSPARENT);
memDC.TextOut(100, 100, \u4e0d\u80fd\u6253\u53cc\u5f15\u53f7\u4e86);
// \u5c06\u5185\u5b58DC\u4e2d\u7684\u5185\u5bb9\u62f7\u8d1d\u5230\u8bbe\u5907DC\u4e2d
pDCShow->BitBlt(0, 0, rect.Width(), rect.Height(), &memDC, 0, 0, SRCCOPY);
// \u6e05\u7406
memDC.SelectObject(pOldBmp);
memBmp.DeleteObject();
memDC.DeleteDC();
pWndShow->ReleaseDC(pDCShow);
\u5728\u4f60\u9700\u8981\u5237\u65b0\u7684\u5730\u65b9\u8c03\u7528\u5bf9\u8bdd\u6846\u7684\u51fd\u6570Invalidate(FALSE);\u5c31\u884c\u4e86\u3002\u4f8b\u5982\u4f60\u7684\u7a0b\u5e8f\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u4e00\u79d2\u7684\u5b9a\u65f6\u5668\uff0c\u5728\u91cc\u9762\u5237\u65b0\u7a97\u53e3\u5c31\u884c\u4e86\u3002
\u5bf9\u4e8e\u5176\u4ed6\u63a7\u4ef6\u95ea\u70c1\u7684\u60c5\u51b5\uff0c\u7531\u4e8e\u53ea\u5728\u7f13\u5b58\u4e2d\u7ed8\u5236\u4e86static text\u63a7\u4ef6\u7684\u90e8\u5206\uff0c\u6240\u4ee5\u5e94\u8be5\u53ea\u91cd\u5199static text\u63a7\u4ef6\u3002\u5728\u5b9a\u65f6\u5668\u4e2d\u6539\u4e3a\u8c03\u7528\u5bf9\u8bdd\u6846\u7684InvalidateRect\u51fd\u6570\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u7528static text\u63a7\u4ef6\u5728\u5bf9\u8bdd\u6846\u4e2d\u7684\u4f4d\u7f6e\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u540c\u6837\u7528FALSE\uff0c\u5177\u4f53\u7528\u6cd5\u8bf7\u53c2\u770bMSDN\u6216\u767e\u5ea6\u767e\u79d1\u3002
\u6709\u4e09\u79cd\u65b9\u6cd5.\u4e0b\u9762\u6211\u7ed9\u4f60\u4e00\u4e00\u4ecb\u7ecd.
\u7b2c\u4e00\u79cd:\u901a\u8fc7\u7528CPtrArray\u6570\u7ec4\u7c7b\u4fdd\u5b58void\u5bf9\u8c61(\u5373\u4efb\u4f55\u7c7b\u578b\u7684\u5bf9\u8c61).\u5982,\u4f60\u7528CDC\u7c7b\u8fdb\u884c\u7ed8\u56fe,\u6bcf\u7ed8\u5236\u4e00\u6b65\u56fe\u5f62\u5c31\u901a\u8fc7CPtrArray\u4fdd\u5b58\u5b83\u7684DC.\u7136\u540e\u5728OnDraw\u6216\u8005\u5728OnPaint\u51fd\u6570\u4e2d\u91cd\u65b0\u7ed8\u5236.\u5373\u5237\u65b0\u7a97\u53e3\u65f6\u91cd\u65b0\u7ed8\u5236\u51fa\u6765.
\u7b2c\u4e8c\u79cd:\u901a\u8fc7CMetaFileDC\u7c7b\u4fdd\u5b58\u5143\u6587\u4ef6(\u6ce8\u610f\u662f\u5143\u6587\u4ef6\u4e0d\u662f\u6e90\u6587\u4ef6).\u5373\u5f53\u4f60\u7ed8\u5236\u56fe\u5f62\u5b8c\u6bd5\u540e\u5c06\u89c6\u56fe\u9875\u9762\u4fdd\u5b58\u5728CMetaFileDC\u5bf9\u8c61\u4e2d,\u7136\u540e\u5728OnDraw\u6216\u8005OnPaint\u51fd\u6570\u4e2d\u8c03\u7528PlayMetaFile\u7c7b\u8fdb\u884c\u663e\u793a.\u6ce8\u610f:CMetaFileDC\u7c7b\u662f\u7ee7\u627fCDC\u7c7b,\u800cPlayMetaFile\u662f\u57fa\u7c7b\u7684\u6210\u5458\u51fd\u6570.
\u7b2c\u4e09\u79cd:\u901a\u8fc7\u521b\u5efa\u517c\u5bb9\u4f4d\u56fe\u4fdd\u5b58\u89c6\u56fe\u754c\u9762.\u5373\u8c03\u7528CBitmap\u7c7b\u7684CreateCompatibleBitmap\u6210\u5458\u51fd\u6570,\u4ece\u800c\u5c06\u754c\u9762\u4fdd\u5b58\u5728CBtimap\u5bf9\u8c61\u4e2d,\u518d\u901a\u8fc7CDC\u7c7b\u7684SelectObject\u8fdb\u884c\u9009\u62e9GDI(\u5373\u9009\u62e9CBitmap\u5bf9\u8c61),\u7136\u540e\u5728OnDraw\u6216\u8005OnPaint\u51fd\u6570\u4e2d\u7528CDC\u7c7b\u5bf9\u8c61\u8c03\u7528BitBlt\u6210\u5458\u51fd\u6570\u663e\u793a\u51fa\u6765.
\u6211\u53ea\u8bf4\u65b9\u6cd5,\u6bd5\u7adf\u600e\u4e48\u5b9e\u73b0,\u7a76\u7adf\u4ec0\u4e48\u65f6\u5019\u8c03\u7528,\u6216\u8005\u9700\u8981\u4ec0\u4e48\u53c2\u6570,\u8fd8\u5f97\u4f60\u81ea\u5df1\u53bb\u67e5\u770bMSDN..\u6700\u540e,,\u82e5\u8fd8\u6709\u4ec0\u4e48\u5730\u65b9\u6478\u4e0d\u900f\u6211\u4eec\u518d\u8ba8\u8bba.
改声明为：
CStaticEx m_cStaticPercent;
并添加字体颜色的设置：
m_cStaticPercent.SetTextColor(RGB(0,0,0));
然后就OK了。
哎··其实你在SetWindowText的后面加一个Invalidate(false)就行了
要是aspnet的话 直接加AJAX控件就好啦 可以设置定时自动刷新显示对话的文本框~
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