?? getprinterdriverdirectory.htm
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<title>GetPrinterDriverDirectory</title>
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<td width="100%" height="16">GetPrinterDriverDirectory</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 GetPrinterDriverDirectory Lib
"winspool.drv" Alias "GetPrinterDriverDirectoryA" (ByVal pName As
String, ByVal pEnvironment As String, ByVal Level As Long, pDriverDirectory As Byte, ByVal
cdBuf As Long, pcbNeeded 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">判斷指定系統中包含了打印機驅動程序的目錄是什么</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%">pName</td>
<td width="75%">String，服務器的名字。如設為vbNullString，表示使用本地系統</td>
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<td width="25%">pEnvironment</td>
<td width="77%">String，欲在其中獲取目錄的一個環境（如：Windows NT x86）。vbNullString表示使用當前（本地）系統環境</td>
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<td width="25%">Level</td>
<td width="77%">Long，設為1</td>
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<td width="25%">pDriverDirectory</td>
<td width="77%">Byte，指定一個緩沖區，其中會載入打印機驅動程序目錄的完整路徑名。可定義成ByVal
As String，以便將字節數組分配給一個字串，從而避免執行ANSI到Unicode格式的轉換</td>
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<td width="25%">cbBuf</td>
<td width="77%">Long，pDriverDirectory緩沖區中的字符數量</td>
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<td width="25%">pcbNeeded</td>
<td width="77%">Long，指向一個Long型變量的指針，該變量用于保存請求的緩沖區長度，或者實際讀入的字節數量</td>
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<td width="100%"><p align="right">Top</td>
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