regqueryvalue.htm

来自「常用windows API函数」· HTM 代码 · 共 86 行

HTM
86
字号
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 3.0">
<style><!--
body,table {font-family:"宋体"; font-size: 9pt; line-height:11pt;}
a {text-decoration:none} a:hover {color:red;text-decoration:underline}
--></style>
<title>RegQueryValue</title>
</head>

<body link="#FF0000" vlink="#FF0000" alink="#FF0000" bgcolor="#FFC8C8">
<div align="center"><center>

<table border="0" width="100%" height="22" cellspacing="0" cellpadding="0">
  <tr>
    <td width="100%" height="16">RegQueryValue</td>
  </tr>
</table>
</center></div><div align="center"><center>

<table border="1" width="100%" bordercolorlight="#808080" cellspacing="0"
bordercolordark="#FFFFFF">
  <tr>
    <td width="100%" colspan="2">VB声明</td>
  </tr>
  <tr>
    <td width="100%" colspan="2">Declare Function RegQueryValue Lib &quot;advapi32.dll&quot; 
    Alias &quot;RegQueryValueA&quot; (ByVal hKey As Long, ByVal lpSubKey As String, ByVal 
    lpValue As String, lpcbValue As Long) As Long</td>
  </tr>
  <tr>
    <td width="100%" colspan="2">说明</td>
  </tr>
  <tr>
    <td width="100%" colspan="2">取得指定项或子项的默认(未命名)值</td>
  </tr>
  <tr>
    <td width="100%" colspan="2">返回值</td>
  </tr>
  <tr>
    <td width="100%" colspan="2">Long,零(ERROR_SUCCESS)表示成功。其他任何值都代表一个错误代码</td>
  </tr>
  <tr>
    <td width="100%" colspan="2">参数表</td>
  </tr>
  <tr>
    <td width="25%">参数</td>
    <td width="75%">类型及说明</td>
  </tr>
  <tr>
    <td width="25%">hKey</td>
    <td width="75%">Long,一个已打开项的句柄,或者指定一个标准项名</td>
  </tr>
  <tr>
    <td width="25%">lpSubKey</td>
    <td width="75%">String,要获取一个值的子项。可设为vbNullString,表示获取hKey的值</td>
  </tr>
  <tr>
    <td width="25%">lpValue</td>
    <td width="75%">String,用于容纳指定项值的一个字串</td>
  </tr>
  <tr>
    <td width="25%">lpcbValue</td>
    <td width="75%">Long,指定一个变量,用于装载lpValue缓冲区的长度。一旦返回,它会设为实际载入缓冲区的字节数量</td>
  </tr>
  <tr>
    <td width="100%" colspan="2">注解</td>
  </tr>
  <tr>
    <td width="100%" colspan="2"><p align="left">win32应用程序应该使用<a
    href="RegQueryValueEx.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/RegQueryValueEx.htm">RegQueryValueEx</a>。lpValue被定义成一个字串,以维持同win16的兼容性(在win16中,值全都是字串)</td>
  </tr>
</table>
</center></div><div align="center"><center>

<table border="0" width="100%" cellspacing="0" cellpadding="0">
  <tr>
    <td width="100%"><p align="right">Top</td>
  </tr>
</table>
</center></div>
</body>
</html>

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?