?? unlockfileex.htm
字號:
<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:"宋體"; font-size: 9pt; line-height:11pt;}
a {text-decoration:none} a:hover {color:red;text-decoration:underline}
--></style>
<title>UnlockFileEx</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">UnlockFileEx</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聲明</td>
</tr>
<tr>
<td width="100%" colspan="2">Declare Function UnlockFileEx Lib "kernel32" Alias
"UnlockFileEx" (ByVal hFile As Long, ByVal dwReserved As Long, ByVal
nNumberOfBytesToUnlockLow As Long, ByVal nNumberOfBytesToUnlockHigh As Long, lpOverlapped
As OVERLAPPED) As Long</td>
</tr>
<tr>
<td width="100%" colspan="2">說明</td>
</tr>
<tr>
<td width="100%" colspan="2">解除對一個文件的鎖定</td>
</tr>
<tr>
<td width="100%" colspan="2">返回值</td>
</tr>
<tr>
<td width="100%" colspan="2">Long，非零表示成功，零表示失敗。會設置<a
href="GetLastError.htm">GetLastError</a></td>
</tr>
<tr>
<td width="100%" colspan="2">參數表</td>
</tr>
<tr>
<td width="25%">參數</td>
<td width="75%">類型及說明</td>
</tr>
<tr>
<td width="25%">hFile</td>
<td width="75%">Long，要解鎖的文件的句柄</td>
</tr>
<tr>
<td width="25%">dwReserved</td>
<td width="75%">Long，未用；設為零</td>
</tr>
<tr>
<td width="25%">nNumberOfBytesToUnlockLow</td>
<td width="75%">Long，鎖定區域中字符數量的低32位值</td>
</tr>
<tr>
<td width="25%">nNumberOfBytesToUnlockHigh</td>
<td width="75%">Long，鎖定區域中字符數量的高32位值</td>
</tr>
<tr>
<td width="25%">lpOverlapped</td>
<td width="75%">OVERLAPPED，包含了文件中相對于解鎖區域起始處的偏移量</td>
</tr>
<tr>
<td width="100%" colspan="2">注解</td>
</tr>
<tr>
<td width="100%" colspan="2"><p align="left">解鎖的文件區域必須與以前鎖定時設置的區域完全相符。文件關閉前，應用程序應確定已解除了對任何區域的鎖定。參考<a
href="LockFileEx.htm">LockFileEx</a>了解進一步的情況</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>
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -