📄 setprinter.htm
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<title>SetPrinter</title>
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<td width="100%" height="16">SetPrinter</td>
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<td width="101%" colspan="3">VB声明</td>
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<td width="101%" colspan="3">Declare Function SetPrinter Lib "winspool.drv"
Alias "SetPrinterA" (ByVal hPrinter As Long, ByVal Level As Long, pPrinter As
Byte, ByVal Command As Long) As Long</td>
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<td width="101%" colspan="3">说明</td>
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<td width="101%" colspan="3">对一台打印机的状态进行控制</td>
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<td width="101%" colspan="3">返回值</td>
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<td width="101%" colspan="3">Long，非零表示成功，零表示失败。会设置<a
href="GetLastError.htm">GetLastError</a></td>
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<td width="101%" colspan="3">参数表</td>
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<td width="25%">参数</td>
<td width="76%" colspan="2">类型及说明</td>
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<td width="25%">hPrinter</td>
<td width="76%" colspan="2">Long，指定一个已打开的打印机的句柄（用<a
href="OpenPrinter.htm">OpenPrinter</a>取得）</td>
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<td width="25%">Level</td>
<td width="76%" colspan="2">Long，0，2或3（4或5用于windows95，5或6用于NT 4.0）。如Command不是零，则这个参数必须是零</td>
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<td width="25%">pPrinter</td>
<td width="76%" colspan="2">Byte，包含一个PRINTER_INFO_x的结构的缓冲区，其中的x代表级别的设定（Level）。假如级别为零，并且Command设为PRINTER_CONTROL_SET_STATUS，那缓冲区就包含了一个PRINTER_CONTROL_STATUS结构。否则，如级别为零，就设为NULL（要把声明变成ByVal
As Long，以便传递零值）</td>
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<td width="25%" rowspan="6">Command</td>
<td width="76%" colspan="2">Long，下述值之一： </td>
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<td width="37%">零</td>
<td width="38%">根据PRINTER_INFO_x结构改变打印机</td>
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<td width="37%">PRINTER_CONTROL_PAUSE</td>
<td width="38%">暂停打印机</td>
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<td width="37%">PRINTER_CONTROL_PURGE</td>
<td width="38%">删除打印机的所有作业</td>
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<td width="37%">PRINTER_CONTROL_RESUME</td>
<td width="38%">恢复一台暂停的打印机</td>
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<td width="37%">PRINTER_CONTROL_SET_STATUS </td>
<td width="38%">载入打印机的PRINTER_CONTROL_STATUS结构（不可在NT 3.51下使用）</td>
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<td width="101%" colspan="3">注解</td>
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<td width="101%" colspan="3"><p align="left">在PRINTER_INFO_2结构的基础上设置打印机状态时，pServerName，AveragePPM，Status和cJobs字段都会被忽略</td>
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