c-c++ mfc.htm

MFC学习笔记 MFC学习笔记 MFC学习笔记

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            color=#000000>&nbsp;<SPAN lang=EN-US><O:P> 
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>全局对象</FONT></SPAN></P></TD>
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>局部对象</FONT></SPAN></P></TD>
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            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>静态对象</FONT></SPAN></P></TD>
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT 
            color=#000000><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以</SPAN><SPAN 
            lang=EN-US>new</SPAN><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">产生的对象</SPAN></FONT></P></TD></TR>
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>构造函数</FONT></SPAN></P></TD>
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>程序一开始就执行（比程序进入点更早）</FONT></SPAN></P></TD>
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>对象诞生时执行</FONT></SPAN></P></TD></TR>
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            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>析构函数</FONT></SPAN></P></TD>
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>程序即将结束时执行</FONT></SPAN></P></TD>
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>程序流程离开该对象的存活范围时执行</FONT></SPAN></P></TD>
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT 
            color=#000000>程序将结束时执行，但比全局对象的析构函数早一步进行。</FONT></SPAN></P></TD>
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            <P class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT 
            color=#000000><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">对象被</SPAN><SPAN 
            lang=EN-US>delete</SPAN><SPAN 
            style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时执行</SPAN></FONT></P></TD></TR></TBODY></TABLE>
      <P><SPAN lang=EN-US><FONT color=#000000>4.<SPAN 
      style="FONT: 7pt 'Times New Roman'">&nbsp; </SPAN>C++</FONT></SPAN><FONT 
      color=#000000><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">并不是纯种的面向对象语言（</SPAN><SPAN 
      lang=EN-US>SmallTalk</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和</SPAN><SPAN 
      lang=EN-US>Java</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">才是）。所以，</SPAN><SPAN 
      lang=EN-US>MFC</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">之中得以存在有不属于任何类的全局函数，它们统统在函数名称开头冠以</SPAN><SPAN 
      lang=EN-US>Afx</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN 
      lang=EN-US>x</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">并没有什么意思，只是为了凑成一个响亮的名字，</SPAN><SPAN 
      lang=EN-US>Af</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">即</SPAN><SPAN 
      lang=EN-US>Application Framework</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）下面是常见的</SPAN><SPAN 
      lang=EN-US>Afx</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">全局函数：</SPAN></FONT></P>
      <P><FONT color=#000000><SPAN lang=EN-US>AfxBeginThread</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">：开始一个新的线程</SPAN></FONT></P>
      <P><FONT color=#000000><SPAN lang=EN-US>AfxEndThread</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">：结束一个旧的线程</SPAN></FONT></P>
      <P><FONT color=#000000><SPAN lang=EN-US>AfxFormatString1</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">：类似</SPAN><SPAN 
      lang=EN-US>printf</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一般地将字符串格式化</SPAN></FONT></P>
      <P><FONT color=#000000><SPAN lang=EN-US>AfxFormatString2</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">：类似</SPAN><SPAN 
      lang=EN-US>printf</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一般地将字符串格式化</SPAN></FONT></P>
      <P><FONT color=#000000><SPAN lang=EN-US>AfxMessageBox</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">：类似</SPAN><SPAN 
      lang=EN-US>Windows API </SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">函数</SPAN><SPAN 
      lang=EN-US> MessageBox</SPAN></FONT></P>
      <P><FONT color=#000000><SPAN lang=EN-US>AfxOuputDebugString</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">：将字符串输往除错装置</SPAN></FONT></P>
      <P><FONT color=#000000><SPAN lang=EN-US>AfxGetApp</SPAN><SPAN 
      style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">：获得</SPAN><SPAN 
      lang=EN-US>application object (CwinApp</SPAN><SPAN