C#羅列出磁盤信息

//listview1重命名為 lvInfo

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace 羅列出磁盤信息_LIstview控件的使用_
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{
lvInfo.View = View.Details;
ColumnHeader ch1 = new ColumnHeader();
ch1.Text = "Disk Name";
ch1.Width = 85;
lvInfo.Columns.Add(ch1);
ColumnHeader ch2 = new ColumnHeader();
ch2.Text = "Type";
ch2.Width = 85;
lvInfo.Columns.Add(ch2);
ColumnHeader ch3 = new ColumnHeader();
ch3.Text = "All Size";
ch3.Width = 85;
lvInfo.Columns.Add(ch3);
ColumnHeader ch4 = new ColumnHeader();
ch4.Text = "Free Size";
ch4.Width = 85;
lvInfo.Columns.Add(ch4);
string[] drive = Environment.GetLogicalDrives();
for (int i = 0; i < drive.Length; i++)
{
//實例化一個listview對象的子項
ListViewItem lvi1 = new ListViewItem();
lvi1.Text = drive[i];//第一列數據
lvi1.SubItems.Add(i.ToString());//第二列
lvi1.SubItems.Add(GetHardDiskTotalSize(i).ToString()+" G");//第三列
lvi1.SubItems.Add(GetHardDiskFreeSize(i).ToString()+" G");//第四列
lvInfo.Items.Add(lvi1);//添加列
}
}
/// <summary>
/// 獲取磁盤總空間
/// </summary>
/// <param name="i">獲取磁盤需要的下標 0 c盤 1 d盤</param>
/// <returns>磁盤總空間 long類型</returns>
public static long GetHardDiskTotalSize(int i)
{
long totalSize = new long();
System.IO.DriveInfo[] drives = System.IO.DriveInfo.GetDrives();
totalSize = drives[i].TotalSize / (1024L * 1024 * 1024);
return totalSize;
}
public static long GetHardDiskFreeSize(int i)
{
long freeSize = new long();
System.IO.DriveInfo[] drives = System.IO.DriveInfo.GetDrives();
freeSize = drives[i].AvailableFreeSpace / (1024 * 1024 * 1024);
return freeSize;
}
}
}