?? wnetopenenum.htm
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<td width="100%" height="16"><a name="WNetOpenEnum">WNetOpenEnum</a></td>
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<td width="102%" colspan="3">VB聲明</td>
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<td width="102%" colspan="3">Declare Function WNetOpenEnum Lib "mpr.dll" Alias
"WNetOpenEnumA" (ByVal dwScope As Long, ByVal dwType As Long, ByVal dwUsage As
Long, lpNetResource As NETRESOURCE, lphEnum As Long) As Long</td>
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<td width="102%" colspan="3">說明</td>
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<td width="102%" colspan="3">啟動對網絡資源進行枚舉的過程。這個函數會返回由<a
href="WNetEnumResource.htm">WNetEnumResource</a>函數用于枚舉資源所用的一個句柄</td>
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<td width="102%" colspan="3">返回值</td>
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<td width="102%" colspan="3">Long,零表示成功。會設置<a href="GetLastError.htm">GetLastError</a>。如<a
href="GetLastError.htm">GetLastError</a>是ERROR_EXTENDED_ERROR,則可用<a
href="WNetGetLastError.htm">WNetGetLastError</a>取得額外的錯誤信息</td>
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<td width="102%" colspan="3">參數表</td>
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<td width="25%">參數</td>
<td width="77%" colspan="2">類型及說明</td>
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<td width="25%" rowspan="4">dwScope</td>
<td width="77%" colspan="2">Long,指定要枚舉的資源范圍。可設為下述常數之一:</td>
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<td width="37%">RESOURCE_CONNECTED</td>
<td width="38%">枚舉已連接的資源(忽略dwUsage)</td>
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<td width="37%">RESOURCE_GLOBALNET</td>
<td width="38%">枚舉所有資源</td>
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<td width="37%">RESOURCE_REMEMBERED</td>
<td width="38%">只枚舉永久性連接</td>
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<td width="25%" rowspan="4">dwType</td>
<td width="77%" colspan="2">Long,下述常數之一</td>
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<td width="37%">RESOURCE_ANY</td>
<td width="38%">枚舉所有類型的網絡資源</td>
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<td width="37%">RESOURCE_DISK</td>
<td width="38%">枚舉磁盤資源</td>
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<td width="37%">RESOURCE_PRINT</td>
<td width="38%">枚舉打印資源</td>
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<td width="25%" rowspan="3">dwUsage</td>
<td width="77%" colspan="2">Long,可設為零,表示枚舉所有資源;或設為下述常數的一個或兩個:</td>
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<td width="37%">RESOURCEUSAGE_CONNECTABLE</td>
<td width="38%">只枚舉那些能夠連接的資源</td>
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<td width="37%">RESOURCEUSAGE_CONTAINER</td>
<td width="38%">只枚舉包含了其他資源的資源</td>
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<td width="25%">lpNetResource</td>
<td width="77%" colspan="2"><a href="NETRESOURCE.htm">NETRESOURCE</a>,這個結構指定了一個容器資源。該函數會枚舉包含于這里指定的某個指定資源內的資源。如設為NULL(把聲明變成ByVal
As Long),那么函數會枚舉頂級網絡資源。倘若在dwScope參數里沒有指定RESOURCE_GLOBALNET,那么必須為NULL</td>
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<td width="25%">lphEnum</td>
<td width="77%" colspan="2">Long,指定一個變量,用于裝載一個枚舉句柄。該句柄由<a
href="WNetEnumResource.htm">WNetEnumResource</a>函數使用。必須用<a
href="WNetCloseEnum.htm">WNetCloseEnum</a>函數將其清除</td>
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<td width="100%"><p align="right"><a href="#WNetOpenEnum">Top</a></td>
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