subject_50477.htm

一些关于vc的问答

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序号：50477 发表者：lm_2003 发表日期：2003-08-21 15:19:38
<br>主题：求助改变静态控件背景色造成内存泄漏？？？
<br>内容：做一个静态控件，并不段该变控件的背景色、字体、等程序<BR>运行后发现内存泄漏不知如何解决<BR>代码如下：<BR>HBRUSH CCOMDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) <BR>{<BR>HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);<BR>// TODO: Change any attributes of the DC here&nbsp;&nbsp;&nbsp;&nbsp;<BR>if(b==1)<BR>{<BR>&nbsp;&nbsp; //设定静态字体颜色和字体背景色设定<BR>if(pWnd-&gt;GetDlgCtrlID()==IDC_STATIC_ZhuanTai)<BR>{pDC-&gt;SetTextColor(RGB(255,255,255));//字体色<BR> pDC-&gt;SetBkColor(RGB(255,255,255));//字体背景色<BR> pDC-&gt;SetBkMode(TRANSPARENT);//控件背景填充模式<BR> HBRUSH B = CreateSolidBrush(RGB(255,0,0)); //COLOR是你想设置的颜色 <BR> return (HBRUSH) B;<BR>}<BR>}<BR>else<BR>{<BR>&nbsp;&nbsp; //设定静态字体颜色和字体背景色设定<BR>if(pWnd-&gt;GetDlgCtrlID()==IDC_STATIC_ZhuanTai)<BR>{pDC-&gt;SetTextColor(RGB(0,0,255));//字体色<BR>pDC-&gt;SetBkColor(RGB(0,255,255));//字体背景色<BR>pDC-&gt;SetBkMode(TRANSPARENT);//控件背景填充模式<BR>HBRUSH B = CreateSolidBrush(RGB(0,255,255)); //COLOR是你想设置的颜色 <BR>return (HBRUSH) B;<BR>}<BR>}<BR><BR>// TODO: Return a different brush if the default is not desired<BR>&nbsp;&nbsp;&nbsp;&nbsp;return hbr;<BR>}<BR><BR>CCOMDlg::OnTimer(UINT nIDEvent)<BR>{<BR>// TODO: Add your message handler code here and/or call default<BR>if(b==1)<BR>&nbsp;&nbsp; {<BR>&nbsp;&nbsp;&nbsp;&nbsp;m_ZhuanTai=st1 ;<BR>&nbsp;&nbsp; b=0;<BR>&nbsp;&nbsp; }<BR>&nbsp;&nbsp; else <BR>&nbsp;&nbsp; {<BR>&nbsp;&nbsp;&nbsp;&nbsp;m_ZhuanTai=st2; <BR>&nbsp;&nbsp;&nbsp;&nbsp;b=1;<BR>&nbsp;&nbsp; }&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;CDialog::OnTimer(nIDEvent);<BR>} <BR>请教高手如何解决？<BR>
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<font color=red>答案被接受</font><br>回复者：ax 回复日期：2003-08-21 17:02:32
<br>内容：HBRUSH B = CreateSolidBrush(RGB(0,255,255)); //COLOR是你想设置的颜色 <BR>// 你没有删除<BR>DeleteObject(B);<BR>你用法不对，<BR>最好在CCOMDlg类中预先定义好一组刷子，CBrush m_Brush[10];在函数中使用<BR>pDC-&gt;SetBkMode(TRANSPARENT);//控件背景填充模式<BR>return m_Brush[]；<BR>
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回复者：lm_2003 回复日期：2003-08-21 20:02:27
<br>内容：再次谢谢hshxf！！<BR>问题解决了！
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