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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>vtdata library: vtLog Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li id="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div><h1>vtLog Class Reference</h1><!-- doxytag: class="vtLog" --><a href="classvtLog-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="54635375ce4590a712078ddf335779d0"></a><!-- doxytag: member="vtLog::StartLog" ref="54635375ce4590a712078ddf335779d0" args="(const char *fname)" -->void </td><td class="memItemRight" valign="bottom"><b>StartLog</b> (const char *fname)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="029c56f6f046e4d2285c573499e77d23"></a><!-- doxytag: member="vtLog::Log" ref="029c56f6f046e4d2285c573499e77d23" args="(const char *str)" -->void </td><td class="memItemRight" valign="bottom"><b>Log</b> (const char *str)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e92d7a61d514a4302f3ffb669f0ad5ea"></a><!-- doxytag: member="vtLog::Log" ref="e92d7a61d514a4302f3ffb669f0ad5ea" args="(char ch)" -->void </td><td class="memItemRight" valign="bottom"><b>Log</b> (char ch)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="770108d007aa86f654dc7d3ce90c7878"></a><!-- doxytag: member="vtLog::Printf" ref="770108d007aa86f654dc7d3ce90c7878" args="(const char *pFormat,...)" -->void </td><td class="memItemRight" valign="bottom"><b>Printf</b> (const char *pFormat,...)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="630a8da2f858d6a31cafa113a353a7e5"></a><!-- doxytag: member="vtLog::Log" ref="630a8da2f858d6a31cafa113a353a7e5" args="(const wchar_t *str)" -->void </td><td class="memItemRight" valign="bottom"><b>Log</b> (const wchar_t *str)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="50affc050725c7bbd5511b0fdd89e18b"></a><!-- doxytag: member="vtLog::Printf" ref="50affc050725c7bbd5511b0fdd89e18b" args="(const wchar_t *pFormat,...)" -->void </td><td class="memItemRight" valign="bottom"><b>Printf</b> (const wchar_t *pFormat,...)</td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>This class provide a convenient way to log all the messages that your application generates. Everything logged will be saved to a file, and also be sent to the console. Under MSVC, the log output will go to the Debug Output window.<p>There is always and only a single vtLog instance (singleton), called g_Log.<p>To use:<ul><li>1. Call VTSTARTLOG with the name of the log file you want.</li><li>2. Use VTLOG just like you would use printf, to log messages. Alternately you can use VTLOG1 which takes a single string.</li></ul><p><dl compact><dt><b>Example:</b></dt><dd><div class="fragment"><pre class="fragment"> VTSTARTLOG(<span class="stringliteral">"debug.txt"</span>); VTLOG(<span class="stringliteral">"This code was compiled on %s\n"</span>, __DATE__); VTLOG1(<span class="stringliteral">"Program starting.\n"</span>);</pre></div></dd></dl>That's it. The file will be flushed immediately after every write, so that log output will not be lost even if your application crashes. <p><hr size="1"><address style="align: right;"><small>Generated on Mon Jan 14 14:40:55 2008 for vtdata library by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.5 </small></address></body></html>⌨️ 快捷键说明
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