?? querydosdevice.htm
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<td width="100%" height="16"><a name="QueryDosDevice">QueryDosDevice</a></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 QueryDosDevice Lib "kernel32"
Alias "QueryDosDeviceA" (ByVal lpDeviceName As String, ByVal lpTargetPath As
String, ByVal ucchMax As Long) As Long</td>
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<td width="100%" colspan="2">說明</td>
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<td width="100%" colspan="2">在Windows NT中，DOS設備名會映射成NT系統設備名。該函數可判斷當前的設備映射情況</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，零表示出錯。如執行成功，返回保存到lpTargetPath的字符數。會設置<a
href="GetLastError.htm">GetLastError</a></td>
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<td width="100%" colspan="2">參數表</td>
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<td width="25%">參數</td>
<td width="75%">類型及說明</td>
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<td width="25%">lpDeviceName</td>
<td width="75%">String，如果是vbNullString，那么lpTargetPath會載入當前映射的MS-DOS名稱的一個列表。如果是個MS-DOS名，則lpTargetPath會載入一個設備映射列表（第一個名字是活動映射，后續的名字是以前尚未刪掉的映射）</td>
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<td width="25%">lpTargetPath</td>
<td width="75%">String，名稱列表，具體取決于lpDeviceName參數。這些名字用NULL字符分隔。列表最后用兩個連續的NULL字符中止</td>
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<td width="25%">ucchMax</td>
<td width="75%">Long，lpTargetPath緩沖區的大小</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">可用DefineDosDevice函數將映射變成DOS設備名</td>
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<td width="100%" colspan="2">適用平臺</td>
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<td width="100%" colspan="2">Windows NT</td>
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<td width="100%"><p align="right"><a href="#QueryDosDevice">Top</a></td>
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