📄 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声明</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">说明</td>
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<td width="100%" colspan="2">判断指定系统中包含了打印机驱动程序的目录是什么</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，零表示失败。会设置<a
href="GetLastError.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/GetLastError.htm">GetLastError</a></td>
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<td width="100%" colspan="2">参数表</td>
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<td width="25%">参数</td>
<td width="75%">类型及说明</td>
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<td width="25%">pName</td>
<td width="75%">String，服务器的名字。如设为vbNullString，表示使用本地系统</td>
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<td width="25%">pEnvironment</td>
<td width="77%">String，欲在其中获取目录的一个环境（如：Windows NT x86）。vbNullString表示使用当前（本地）系统环境</td>
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<td width="25%">Level</td>
<td width="77%">Long，设为1</td>
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<td width="25%">pDriverDirectory</td>
<td width="77%">Byte，指定一个缓冲区，其中会载入打印机驱动程序目录的完整路径名。可定义成ByVal
As String，以便将字节数组分配给一个字串，从而避免执行ANSI到Unicode格式的转换</td>
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<td width="25%">cbBuf</td>
<td width="77%">Long，pDriverDirectory缓冲区中的字符数量</td>
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<td width="25%">pcbNeeded</td>
<td width="77%">Long，指向一个Long型变量的指针，该变量用于保存请求的缓冲区长度，或者实际读入的字节数量</td>
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<td width="100%"><p align="right">Top</td>
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