C#獲取本地或遠程磁盤使用信息
2021-10-22 09:52:08

private void btnCheck_Click(object sender, EventArgs e)
        {
            listBox1.Items.Clear();
            if (rbtnRemote.Checked)
            {
                //遠程
                RemoteDisk();
            }
            else
            {
                //本地
                LocalDisk();
            }
        }
        //查看本地
        private void LocalDisk()
        {
            WqlObjectQuery wmiquery = new WqlObjectQuery("select * from Win32_LogiCalDisk");
            ManagementObjectSearcher wmifind = new ManagementObjectSearcher(wmiquery);
            //顯示
            ShowInfo(wmifind);
        }

        //遠程
        private void RemoteDisk()
        {
            if (cbIP.Text == "" | cbUserName.Text == "" | txtPwd.Text == "")
            {
                MessageBox.Show("請把信息補充完整!");
                return;
            }
            string ip = cbIP.Text;
            string username = cbUserName.Text;
            string password = txtPwd.Text;
            ConnectionOptions conn = new ConnectionOptions();
            conn.Username = username;
            conn.Password = password;
            conn.Timeout = new TimeSpan(1,1,1,1);//連接時間

            //ManagementScope 的服務器和命名空間。  
            string path = string.Format(@"\{0}
ootcimv2", ip);
            //表示管理操作的范圍（命名空間）,使用指定選項初始化ManagementScope 類的、表示指定范圍路徑的新實例。 
            ManagementScope scope = new ManagementScope(path, conn);  
            scope.Connect(); 
            //查詢
            string strQuery = "select * from Win32_LogicalDisk ";
            ObjectQuery query = new ObjectQuery(strQuery);
            //查詢ManagementObjectCollection返回結果集  
            ManagementObjectSearcher wmifind = new ManagementObjectSearcher(scope, query);
            ShowInfo(wmifind);
        }

        #region 顯示磁盤信息
        private void ShowInfo(ManagementObjectSearcher wmifind)
        {
            long gb = 1024 * 1024 * 1024;
            string type = "";
            string str = "";
            double freePath = 0d;
            foreach (var mobj in wmifind.Get())
            {
                type = mobj["Description"].ToString();
                //判斷是否是本機固盤
                if (type == "Local Fixed Disk")
                {
                    str = " 磁盤名稱:" + mobj["Name"].ToString();
                    freePath = Math.Round(Convert.ToDouble(mobj["FreeSpace"]) / gb, 1);
                    str += " 可用空間:" + freePath+ "G";
                    str += " 實際大小:" + Math.Round(Convert.ToDouble(mobj["Size"].ToString()) / gb, 1) + "G";
                    if (freePath < 20)
                    {
                        str += "    ----請盡快清理!";
                    }
                    listBox1.Items.Add(str);
                }
            }
        }
        #endregion

        private void rbtnLocal_CheckedChanged(object sender, EventArgs e)
        {
            //本地選中
            if (rbtnLocal.Checked == true)
            {
                cbIP.Enabled = false;
                cbUserName.Enabled = false;
                txtPwd.Enabled = false;
            }
        }

        private void rbtnRemote_CheckedChanged(object sender, EventArgs e)
        {
            if (rbtnRemote.Checked == true)
            {
                cbIP.Enabled = true;
                cbUserName.Enabled = true;
                txtPwd.Enabled = true;
            }
        }