C#检查远程或本地磁盘使用率

private void btnCheck_Click(object sender,EventArgs e)
{
listBox1.Items.Clear();
if (rbtnRemote.Checked)
{
//远程
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);
//显示
ShowInfo(wmifind);
}
//远程
private void RemoteDisk()
{
if (cbIP.Text == "" | cbUserName.Text == "" | txtPwd.Text == "")
{
MessageBox.Show("请把信息补充完整!");
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);//连接时间
//ManagementScope 的服务器和命名空间。 
string path = string.Format(@"{0}rootcimv2",ip);
//表示管理操作的范围（命名空间）,使用指定选项初始化ManagementScope 类的、表示指定范围路径的新实例。 
ManagementScope scope = new ManagementScope(path,conn); 
scope.Connect(); 
//查询
string strQuery = "select * from Win32_LogicalDisk ";
ObjectQuery query = new ObjectQuery(strQuery);
//查询ManagementObjectCollection返回结果集 
ManagementObjectSearcher wmifind = new ManagementObjectSearcher(scope,query);
ShowInfo(wmifind);
}
#region 显示磁盘信息
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();
//判断是否是本机固盘
if (type == "Local Fixed Disk")
{
str = " 磁盘名称:" + mobj["Name"].ToString();
freePath = Math.Round(Convert.ToDouble(mobj["FreeSpace"]) / gb,1);
str += " 可用空间:" + freePath+ "G";
str += " 实际大小:" + Math.Round(Convert.ToDouble(mobj["Size"].ToString()) / gb,1) + "G";
if (freePath < 20)
{
str += " ----请尽快清理!";
}
listBox1.Items.Add(str);
}
}
}
#endregion
private void rbtnLocal_CheckedChanged(object sender,EventArgs e)
{
//本地选中
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;
}
}