📄 getdiskfreespaceex.htm
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<td width="100%" height="16"><a name="GetDiskFreeSpaceEx">GetDiskFreeSpaceEx</a></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 GetDiskFreeSpaceEx Lib "kernel32"
Alias "GetDiskFreeSpaceExA" (ByVal lpRootPathName As String,
lpFreeBytesAvailableToCaller As LARGE_INTEGER, lpTotalNumberOfBytes As LARGE_INTEGER,
lpTotalNumberOfFreeBytes As LARGE_INTEGER) As Long</td>
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<td width="100%" colspan="2">说明</td>
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<td width="100%" colspan="2">获取与一个磁盘的组织以及剩余空间容量有关的信息</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%">lpRootPathName</td>
<td width="75%">String，不包括卷名的磁盘根路径名</td>
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<td width="25%">lpFreeBytesAvailableToCaller</td>
<td width="75%"><a href="LARGE_INTEGER.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/LARGE_INTEGER.htm">LARGE_INTEGER</a>，指定一个变量，用于容纳调用者可用的字节数量</td>
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<td width="25%">lpTotalNumberOfBytes</td>
<td width="75%"><a href="LARGE_INTEGER.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/LARGE_INTEGER.htm">LARGE_INTEGER</a>，指定一个变量，用于容纳磁盘上的总字节数</td>
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<td width="25%">lpTotalNumberOfFreeBytes</td>
<td width="75%"><a href="LARGE_INTEGER.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/LARGE_INTEGER.htm">LARGE_INTEGER</a>，指定一个变量，用于容纳磁盘上可用的字节数</td>
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<td width="100%" colspan="2">适用平台</td>
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<td width="100%" colspan="2">Windows 95 OSR2，Windows NT 4.0</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"><a href="LARGE_INTEGER.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/LARGE_INTEGER.htm">LARGE_INTEGER</a>结构与<a
href="FILETIME.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/FILETIME.htm">FILETIME</a>结构在内部完全一致。正式调用前，用<a
href="GetVersionEx.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/GetVersionEx.htm">GetVersionEx</a>判断函数是否得到了支持。在Windows 95
OSR2环境中，<a href="OSVERSIONINFO.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/OSVERSIONINFO.htm">OSVERSIONINFO</a>结构的dwBuildNumbe字段会大于1000</td>
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<td width="100%"><p align="right"><a href="#GetDiskFreeSpaceEx">Top</a></td>
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