📄 enumprintprocessordatatypes.htm
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<title>EnumPrintProcessorDatatypes</title>
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<td width="100%" height="16">EnumPrintProcessorDatatypes</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 EnumPrintProcessorDatatypes Lib
"winspool.drv" Alias "EnumPrintProcessorDatatypesA" (ByVal pName As
String, ByVal pPrintProcessorName As String, ByVal Level As Long, pDatatypes 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">枚举由一个打印处理器支持的数据类型</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表示使用本地系统</td>
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<td width="25%">pPrintProcessorName</td>
<td width="75%">String，欲对其数据类型进行枚举的打印处理器的名字</td>
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<td width="25%">Level</td>
<td width="75%">Long，设为1</td>
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<td width="25%">pDatatypes</td>
<td width="75%">Byte，包含DATATYPES_INFO_1结构的缓冲区</td>
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<td width="25%">cbBuf</td>
<td width="75%">Long，pDatatypes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%" colspan="2">注解</td>
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<td width="100%" colspan="2"><p align="left">DATATYPES_INFO_1结构包含了单个字段，其中保存了数据类型的名称</td>
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<td width="100%"><p align="right">Top</td>
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