/// <summary>
/// 获取剩余空间最大的逻辑磁盘名称
/// </summary>
public static string GetMaxFreeSizeLogicalDisk()
{
var objects = new ManagementClass(WMIPath.Win32_LogicalDisk.ToString()).GetInstances().Cast <ManagementObject>().ToArray();
return(objects.OrderByDescending(m => Convert.ToInt64(m.Properties["FreeSpace"].Value))
.Select(m => (string)m.Properties["Caption"].Value)
.FirstOrDefault());
}