我可以从这篇文章中查看远程连接的电脑:Remote Desktop using c-net。但我不需要它。我只需要连接那台电脑并获取 C 盘的可用空间数据。我怎么能这样做?我可以连接到远程桌面。我可以使用 IO 命名空间获取 driveInfo。但是如何将它们结合起来?
user1865670
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22128 次
3 回答
21
为此使用System.Management
命名空间和Win32_Volume
WMI 类。DriveLetter
您可以使用of查询实例C:
并检索其FreeSpace
属性,如下所示:
ManagementPath path = new ManagementPath() {
NamespacePath = @"root\cimv2",
Server = "<REMOTE HOST OR IP>"
};
ManagementScope scope = new ManagementScope(path);
string condition = "DriveLetter = 'C:'";
string[] selectedProperties = new string[] { "FreeSpace" };
SelectQuery query = new SelectQuery("Win32_Volume", condition, selectedProperties);
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, query))
using (ManagementObjectCollection results = searcher.Get())
{
ManagementObject volume = results.Cast<ManagementObject>().SingleOrDefault();
if (volume != null)
{
ulong freeSpace = (ulong) volume.GetPropertyValue("FreeSpace");
// Use freeSpace here...
}
}
还有一个Capacity
属性存储卷的总大小。
于 2013-01-21T17:16:48.807 回答
0
这是 vb.net 的等价物,以防您需要翻译它。
Dim path = New ManagementPath With {.NamespacePath = "root\cimv2",
.Server = "<REMOTE HOST OR IP>"}
Dim scope = New ManagementScope(path)
Dim condition = "DriveLetter = 'C:'"
Dim selectedProperties = {"FreeSpace"}
Dim query = New SelectQuery("Win32_Volume", condition, selectedProperties)
Dim searcher = New ManagementObjectSearcher(scope, query)
Dim results = searcher.Get()
Dim volume = results.Cast(Of ManagementObject).SingleOrDefault()
If volume IsNot Nothing Then
Dim freeSpace As ULong = volume.GetPropertyValue("FreeSpace")
End If
于 2015-07-27T10:07:58.120 回答
0
在尝试让 WMI 远程工作但没有成功之后,我发现了使用性能计数器的替代方法。只需使用所需的驱动器号(附加“:”)作为实例名称检查类别中的Free Megabytes
计数器,LogicalDisk
即可获得驱动器可用空间的更新读数:
"LogicalDisk(C:)\Free Megabytes"
您可以通过PerformanceCounter Class在 C# 中以编程方式访问它。
要远程访问它,您需要为性能计数器类构造函数指定服务器名称,并且必须将模拟帐户添加到“Performance Monitor Users”组:
net localgroup "Performance Monitor Users" %username% /add
于 2021-09-01T01:13:36.477 回答