Visual C# 使用 WMI 控制遠端電腦 (2) - 重開機/關機按鈕邏輯與運行畫面

按鈕 Click 事件完整程式碼

private void button1_Click(object sender, EventArgs e)
{
    ConnectionOptions opt = new ConnectionOptions();
    opt.Username = textBox2.Text;
    opt.Password = textBox3.Text;

    try
    {
        ManagementScope scope = new ManagementScope($@"\\{textBox1.Text}\root\cimv2", opt);
        scope.Connect();

        ObjectQuery query = new ObjectQuery("SELECT * FROM Win32_OperatingSystem");
        ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, query);
        ManagementObjectCollection results = searcher.Get();

        foreach (ManagementObject mo in results)
        {
            string[] args = { "" };
            if (comboBox1.Text == "重新啟動")
                mo.InvokeMethod("Reboot", args);
            else if (comboBox1.Text == "遠程關機")
                mo.InvokeMethod("Shutdown", args);
            else
                MessageBox.Show("選擇不正確的操作！", "錯誤！");
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show($"連接 {textBox1.Text} 出錯：{ex.Message}");
    }
}

運行畫面

圖 10：WMI 遠端控制運行介面

總結

WMI 讓遠端管理無需部署客戶端程式，極大簡化架構。本範例實現重開機/關機兩大核心功能，展示 ManagementScope 連線、ObjectQuery WQL 查詢、InvokeMethod 執行遠端方法的標準流程。