📄 setprinter.htm
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<td width="100%" height="16">SetPrinter</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 SetPrinter Lib "winspool.drv"
Alias "SetPrinterA" (ByVal hPrinter As Long, ByVal Level As Long, pPrinter As
Byte, ByVal Command As Long) As Long<br>
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<td width="100%" colspan="2">说明</td>
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<td width="100%" colspan="2">对一台打印机的状态进行控制。</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%">Level</td>
<td width="75%">Long,0,2或3(4或5用于windows95,5或6用于NT4.0)。</td>
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<td width="25%">pPrinter</td>
<td width="75%">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="75%">Long,下述值之一: </td>
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<td width="75%">零,根据PRINTER_INFO_x结构改变打印机</td>
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<td width="75%">PRINTER_CONTROL_CANCEL:取消作业</td>
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<td width="75%">PRINTER_CONTROL_PURGE:删除打印机的所有作业</td>
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<td width="75%">PRINTER_CONTROL_RESUME:惠复一台暂停的打印机</td>
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<td width="75%">PRINTER_CONTROL_SET_STATUS:载入打印机的PRINTER_CONTROL_STATUS结构(不可NT3.51下使用)
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<td width="25%">hPrinter</td>
<td width="75%">Long,指定一个已打开的打印机的句柄(用openprinter取得)</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"> 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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<td width="100%"><p align="right">Top</td>
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