コード例 #1
0
        public MainForm()
        {
            InitializeComponent();

            ManagementObjectSearcher objSearcher = new ManagementObjectSearcher("Select * from Win32_PnPSignedDriver");

            ManagementObjectCollection objCollection = objSearcher.Get();

            foreach (ManagementObject obj in objCollection)
            {
                var FriendlyName = (string)obj["FriendlyName"] ?? (string)obj["DeviceName"] ?? "Unknown";
                var DeviceName   = (string)obj["DeviceName"] ?? "Unknown";
                var Manufacturer = (string)obj["Manufacturer"] ?? "Unknown";
                var ClassGuid    = (string)obj["ClassGuid"] ?? "Unknown";
                var DeviceClass  = (string)obj["DeviceClass"] ?? "Unknown";
                if (!treeView1.Nodes.ContainsKey(DeviceClass))
                {
                    TreeNode classNode = new TreeNode(DeviceClass);
                    classNode.Name = DeviceClass;
                    treeView1.Nodes.Add(classNode);
                }
                var deviceNode = new DeviceNode();
                deviceNode.Text         = FriendlyName;
                deviceNode.Name         = ClassGuid;
                deviceNode.FriendlyName = FriendlyName;
                deviceNode.Manufacturer = Manufacturer;
                treeView1.Nodes[DeviceClass].Nodes.Add(deviceNode);
            }
        }
コード例 #2
0
        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
        {
            if (e.Node.Level == 0)
            {
                return;
            }
            DeviceNode node = (DeviceNode)e.Node;

            textBox1.Text = node.FriendlyName;
            textBox2.Text = node.Name;
            textBox3.Text = node.Manufacturer;
        }