📄 enumprinterdrivers.htm
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<td width="100%" height="16">EnumPrinterDrivers</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 EnumPrinterDrivers Lib
"winspool.drv" Alias "EnumPrinterDriversA" (ByVal pName As String,
ByVal pEnvironment As String, ByVal Level As Long, pDriverInfo As Byte, ByVal cdBuf As
Long, pcbNeeded As Long, pcRetruned 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">枚举指定系统中已安装的打印机驱动程序</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，指定服务器的名字。用vbNullString指定本地系统</td>
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<td width="25%">pEnvironment</td>
<td width="75%">String，欲在其中对驱动程序进行枚举的环境（如：Windows
NT x86）。如设为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="75%">Long，1，2或3（3仅适用于Windows 95和NT 4.0）</td>
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<td width="25%">pDriverInfo</td>
<td width="75%">Byte，包含DRIVER_INFO_1， DRIVER_INFO_2 或 DRIVER_INFO_3结构的缓冲区</td>
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<td width="25%">cbBuf</td>
<td width="75%">Long，pDriverInfo缓冲区中的字符数量</td>
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<td width="25%">pcbNeeded</td>
<td width="75%">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="25%">pcReturned</td>
<td width="75%">Long，载入缓冲区的结构数量（用于那些能返回多个结构的函数）</td>
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<td width="100%"><p align="right">Top</td>
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