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<H1><FONT color=#ff0000
size=4>Windows数据类型探幽——千回百转你是谁？（1）</FONT></H1><BR><SPAN
class=Text2><FONT
color=#ff0000>[本页面推荐在1024x768分辩率下浏览]</FONT><BR>文章类别：Visual C++
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><A
name=winprog.windows_data_types></A><B><SPAN lang=EN-US
style="FONT-SIZE: 22pt"><EM><FONT size=6>Windows Data
Types<o:p></o:p></FONT></EM></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT
size=2><SPAN lang=EN-US>Windows</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">数据类型</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US><o:p><FONT size=2> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT
size=2><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"> 由微软</SPAN><SPAN
lang=EN-US>Windows</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">操作系统所支持的各种数据类型是用来定义函数的返回值、函数和消息的参数以及结构体成员（因为</SPAN><SPAN
lang=EN-US>Win32</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">程序是用</SPAN><SPAN
lang=EN-US>C</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">语言来编写，所以没有“类”这个概念）的。这些数据类型定义了上述元素的尺码（在内存中的，也就是占用内存的字节数）和含义。笔者以前一直不太注意这些东西，结果在程序设计时可谓步履维艰。不同类型的常</SPAN><SPAN
lang=EN-US>/</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">变量，在程序用扮演的角色相去甚远，了解这些类型，对剖析程序的工作原理是非常有用的。今天又是周末，我把这些类型列出来，然后把它们的“原形”也找出来——是不是很像“照妖镜”呀。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT
size=2><SPAN lang=EN-US><SPAN
style="mso-tab-count: 1">
</SPAN></SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">下面这张表里包括这些类型：字符类型（</SPAN><SPAN
lang=EN-US>character</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">），整数类型（</SPAN><SPAN
lang=EN-US>integer</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">），逻辑值类型（布尔型，海峡那边的兄弟们喜欢叫“布林型”，</SPAN><SPAN
lang=EN-US>Boolean</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">），指针类型（</SPAN><SPAN
lang=EN-US>pointer</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">），句柄型（</SPAN><SPAN
lang=EN-US>handle</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）。其中，字符类型、整数类型和逻辑值（布尔）类型是</SPAN><SPAN
lang=EN-US>C</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">语言编译器通用的，也就是与标准</SPAN><SPAN
lang=EN-US>C</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">语言一样。大多数指针类型都是以</SPAN><B
style="mso-bidi-font-weight: normal"><SPAN
lang=EN-US>P</SPAN></B><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>Pointer</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）或者</SPAN><B
style="mso-bidi-font-weight: normal"><SPAN
lang=EN-US>LP</SPAN></B><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>Long Pointer</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）前缀开头。“句柄”是指被装载进内存的一个资源（本质而言就是指一定范围内的唯一编号）。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT
size=2> 下面这张表是我结合MSDN里的资料制作的，因为自己也是初学，做的还比较粗糙，请大家多多指正:)</FONT></SPAN></P><SPAN
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">
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