?? enumprinterdrivers.htm
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<td width="100%" height="16">EnumPrinterDrivers</td>
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<td width="100%" colspan="2">VB聲明</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">說明</td>
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<td width="100%" colspan="2">枚舉指定系統(tǒng)中已安裝的打印機(jī)驅(qū)動(dòng)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，零表示失敗。會(huì)設(shè)置<a
href="GetLastError.htm">GetLastError</a></td>
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<td width="100%" colspan="2">參數(shù)表</td>
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<td width="25%">參數(shù)</td>
<td width="75%">類型及說明</td>
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<td width="25%">pName</td>
<td width="75%">String，指定服務(wù)器的名字。用vbNullString指定本地系統(tǒng)</td>
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<td width="25%">pEnvironment</td>
<td width="75%">String，欲在其中對(duì)驅(qū)動(dòng)程序進(jìn)行枚舉的環(huán)境（如：Windows
NT x86）。如設(shè)為vbNullString，表示使用當(dāng)前（本地）系統(tǒng)環(huán)境</td>
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<td width="25%">Level</td>
<td width="75%">Long，1，2或3（3僅適用于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結(jié)構(gòu)的緩沖區(qū)</td>
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<td width="25%">cbBuf</td>
<td width="75%">Long，pDriverInfo緩沖區(qū)中的字符數(shù)量</td>
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<td width="25%">pcbNeeded</td>
<td width="75%">Long，指向一個(gè)Long型變量的指針，該變量用于保存請(qǐng)求的緩沖區(qū)長(zhǎng)度，或者實(shí)際讀入的字節(jié)數(shù)量</td>
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<td width="25%">pcReturned</td>
<td width="75%">Long，載入緩沖區(qū)的結(jié)構(gòu)數(shù)量（用于那些能返回多個(gè)結(jié)構(gòu)的函數(shù)）</td>
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<td width="100%"><p align="right">Top</td>
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