📄 getoverlappedresult.htm
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<td width="100%" height="16">GetOverlappedResult</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 GetOverlappedResult Lib "kernel32"
Alias "GetOverlappedResult" (ByVal hFile As Long, lpOverlapped As OVERLAPPED,
lpNumberOfBytesTransferred As Long, ByVal bWait As Long) As Long</td>
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<td width="100%" colspan="2">说明</td>
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<td width="100%" colspan="2">判断一个重叠操作当前的状态</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">GetLastError</a>。如bWait为FALSE，而且异步操作仍在执行，则函数回返回零，而<a
href="GetLastError.htm">GetLastError</a>会设置成ERROR_IO_INCOMPLETE</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%">hFile</td>
<td width="75%">Long，指定一个文件、管道或通信设备的句柄</td>
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<td width="25%">lpOverlapped</td>
<td width="75%">OVERLAPPED，为欲检查的I/O操作指定的一个结构</td>
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<td width="25%">lpNumberOfBytesTransferred</td>
<td width="75%">Long，用于容纳传输字节数量的一个变量</td>
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<td width="25%">bWait</td>
<td width="75%">Long，如果为TRUE，就一直等到异步操作结束才返回。FALSE表示立即返回</td>
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