?? unlockfile.htm
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<title>UnlockFile</title>
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<td width="100%" height="16">UnlockFile</td>
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<td width="100%" colspan="2">VB聲明</td>
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<td width="100%" colspan="2">Declare Function UnlockFile Lib "kernel32" Alias
"UnlockFile" (ByVal hFile As Long, ByVal dwFileOffsetLow As Long, ByVal
dwFileOffsetHigh As Long, ByVal nNumberOfBytesToUnlockLow As Long, ByVal
nNumberOfBytesToUnlockHigh As Long) As Long</td>
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<td width="100%" colspan="2">說(shuō)明</td>
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<td width="100%" colspan="2">解除對(duì)一個(gè)文件的鎖定</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，非零表示成功，零表示失敗。會(huì)設(shè)置<a
href="GetLastError.htm">GetLastError</a></td>
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<td width="100%" colspan="2">參數(shù)表</td>
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<td width="25%">參數(shù)</td>
<td width="75%">類型及說(shuō)明</td>
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<td width="25%">hFile</td>
<td width="75%">Long，要解鎖的文件的句柄</td>
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<td width="25%">dwFileOffsetLow</td>
<td width="75%">Long，要解鎖文件區(qū)域起始位置的低32位地址</td>
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<td width="25%">dwFileOffsetHigh</td>
<td width="75%">Long，要解鎖文件區(qū)域起始位置的高32位地址</td>
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<td width="25%">nNumberOfBytesToUnlockLow</td>
<td width="75%">Long，鎖定區(qū)域中字符數(shù)量的低32位值</td>
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<td width="25%">nNumberOfBytesToUnlockHigh</td>
<td width="75%">Long，鎖定區(qū)域中字符數(shù)量的高32位值</td>
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<td width="100%" colspan="2">注解</td>
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<td width="100%" colspan="2"><p align="left">解鎖的文件區(qū)域必須與以前鎖定時(shí)設(shè)置的區(qū)域完全相符。文件關(guān)閉前，應(yīng)用程序應(yīng)確定已解除了對(duì)任何區(qū)域的鎖定。參考<a
href="LockFile.htm">LockFile</a>了解進(jìn)一步的情況</td>
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<td width="100%"><p align="right">Top</td>
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