?? findnextprinterchangenotification.htm
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<td width="100%" height="16"><a name="FindNextPrinterChangeNotification">FindNextPrinterChangeNotification</a></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 FindNextPrinterChangeNotification& Lib
"winspool.dll" (ByVal hChange As Long, pdwChange As Long, ByVal pvReserved As
Long, ByVal ppPrinterNotifyInfo As Long)</td>
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<td width="100%" colspan="2">說明</td>
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<td width="100%" colspan="2">用這個函數判斷觸發一次打印機改變通告信號的原因</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。會設置<a
href="GetLastError.htm">GetLastError</a></td>
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<td width="100%" colspan="2">參數表</td>
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<td width="25%">參數</td>
<td width="75%">類型及說明</td>
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<td width="25%">hChange</td>
<td width="75%">Long，一個打印機通告改變對象的句柄</td>
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<td width="25%">pdwChange</td>
<td width="75%">Long，指定用于裝載特定標志的一個Long型值，該標志標志著信號的來源。請在API32.TXT文件中尋找以PRINTER_CHANGE_???前綴開頭的常數</td>
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<td width="25%">pvReserved</td>
<td width="75%">Long，指定一個PRINTER_NOTIFY_OPTIONS結構的地址。如這個結構的Flags字段設為PRINTER_NOTIFY_OPTIONS_REFRESH，那么ppPrinterNotifyInfo緩沖區就會載入正在監視的所有事件的狀態——并不僅是那些觸發了通告信號的事件。結構中所有其他字段會被忽略。可設為NULL（零），表示只返回與狀態改變有關信息</td>
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<td width="25%">ppPrinterNotifyInfo</td>
<td width="75%">Long，由系統分配的一個緩沖區的地址。完成后，應該用<a
href="FreePrinterNotifyInfo.htm">FreePrinterNotifyInfo</a>函數將這個緩沖區刪除。緩沖區內包含了一個PRINTER_NOTIFY_INFO結構，其后跟隨一系列PRINTER_NOTIFY_INFO_DATA結構（具體數量由第一個結構決定）</td>
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<td width="100%" colspan="2">適用平臺</td>
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<td width="100%" colspan="2"><p align="left">Windows NT</td>
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<td width="100%" colspan="2">其他</td>
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<td width="100%" colspan="2">在VB的API文本查看器中復制的聲明如下：<br>
Declare Function FindNextPrinterChangeNotification Lib "winspool.drv" Alias
"FindNextPrinterChangeNotification" (ByVal hChange As Long, pdwChange As Long,
ByVal pvReserved As String, ByVal ppPrinterNotifyInfo As Long) As Long</td>
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<td width="100%"><p align="right"><a href="#FindNextPrinterChangeNotification">Top</a></td>
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