WMI获取磁盘信息

　　这段时间写有关获取磁盘信息的demo，通过WMI能实现 磁盘驱动器的信息读取（Win32_DiskDrive class） 和 逻辑分区的信息读取（Win32_LogicalDisk class）。如何在显示物理驱动器时也能同时显示下属分区的信息？我从一个博客中找到了答案：

 

private void GetAllDisk1()
{ 
           foreach (ManagementObject drive in new ManagementObjectSearcher(
                "select * from Win32_DiskDrive").Get())
            {
                // associate physical disks with partitions
                string type = drive["Caption"].ToString();
                foreach (ManagementObject partition in new ManagementObjectSearcher(
                    "ASSOCIATORS OF {Win32_DiskDrive.DeviceID='" + drive["DeviceID"]
                      + "'} WHERE AssocClass = Win32_DiskDriveToDiskPartition").Get())
                {
                    Console.WriteLine("Partition=" + partition["Name"]);
 
                    // associate partitions with logical disks (drive letter volumes)
                    foreach (ManagementObject disk in new ManagementObjectSearcher(
                        "ASSOCIATORS OF {Win32_DiskPartition.DeviceID='"
                          + partition["DeviceID"]
                          + "'} WHERE AssocClass = Win32_LogicalDiskToPartition").Get())
                    {
                        MessageBox.Show(type + "-->" + disk["Name"].ToString());
                    }
                }
            }
}

 

 http://blog.csdn.net/FlyingColors_Snow/archive/2007/06/19/1657820.aspx

 

附上我刚写好的代码：

 

public void GetAllDisk()
        {
            foreach (ManagementObject drive in new ManagementObjectSearcher("select * from Win32_DiskDrive").Get())
            {
                Console.Write(drive["Name"].ToString());
                Console.Write(" 容量：" + (Convert.ToDouble(drive["Size"]) / (1024 * 1024 * 1024)).ToString("f2") + "G");
                Console.Write(" 接口：" + drive["InterfaceType"].ToString());
                Console.WriteLine(" 类型：" + drive["MediaType"].ToString());

                double size = 0;   //分区容量
                double percentage = 0;   //磁盘使用率

                foreach (ManagementObject partition in new ManagementObjectSearcher(
                    "ASSOCIATORS OF {Win32_DiskDrive.DeviceID='" + drive["DeviceID"]
                    + "'} WHERE AssocClass = Win32_DiskDriveToDiskPartition").Get())
                {
                    Console.WriteLine("Partition=" + partition["Name"].ToString());
                    Console.WriteLine("  说明：" + drive["Caption"].ToString());

                    foreach (ManagementObject disk in new ManagementObjectSearcher(
                        "ASSOCIATORS OF {Win32_DiskPartition.DeviceID='"
                         + partition["DeviceID"]
                         + "'} WHERE AssocClass = Win32_LogicalDiskToPartition").Get())
                    {
                        Console.WriteLine("  盘符：" + disk["Name"].ToString());
                        Console.WriteLine("  容量：" + (Convert.ToDouble(disk["Size"])/(1024 * 1024 * 1024)).ToString("f2") + "G");
                        Console.WriteLine("  剩余容量：" + (Convert.ToDouble(disk["FreeSpace"])/(1024 * 1024 * 1024)).ToString("f2") + "G");
                        Console.WriteLine("  使用率：" + (100-((Convert.ToDouble(disk["FreeSpace"]))) * 100 / (Convert.ToDouble(disk["Size"]))).ToString("f2") + "%");
                        
                        size += Convert.ToDouble(disk["Size"]) / (1024 * 1024 * 1024);                        
                    }                   
                }

                percentage = (size * 100) / (Convert.ToDouble(drive["Size"]) / (1024 * 1024 * 1024));
                if (Convert.ToDouble(drive["Size"]) != 0)
                {
                    Console.WriteLine("磁盘使用率：" + percentage.ToString("f2") + "%");
                }
                else
                {
                    Console.WriteLine("磁盘容量为：0");
                }
                Console.WriteLine();
            }

 

 

 

 功能截图：

 (磁盘使用率：划分成分区的部分视作已全部使用。)