fmmain.cs

USBView的C#源码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using USBLib;

namespace USBView
{
    public partial class fmMain : Form
    {
        int NodeIndex = 0;
        int HubCount = 0;
        int DevCount = 0;
        StringBuilder sb = new StringBuilder();
        Dictionary<string, string> Details;

        public fmMain()
        {
            InitializeComponent();
        }
        
        private void fmMain_Load(object sender, EventArgs e)
        {
            DoIt();
        }

        private void DoIt()
        {
            TreeNode HostNode = treeView1.Nodes.Add("My Computer");
            HostNode.Tag = NodeIndex++;
            Details = new Dictionary<string, string>();

            // loop through all of the host controllers
            int ControllerCount = 0;
            foreach (USB.USBController host in USB.GetHostControllers())
            {
                TreeNode HubNode = HostNode.Nodes.Add(host.Name);
                HubNode.Tag = NodeIndex++;

                // put the detailed information into a dictionary
                sb.Length = 0;
                sb.AppendLine("Index=" + host.Index);
                sb.AppendLine("DevicePath=" + host.DevicePath);
                sb.AppendLine("DriverKey=" + host.DriverKeyName);
                sb.AppendLine("Name=" + host.Name);
                Details.Add(HubNode.Tag.ToString(), sb.ToString());

                // Get the Root Hub for this USB Controller
                USB.USBHub root = host.GetRootHub();

                ProcessHub(root, HubNode);
                ControllerCount++;
            }

            // let's fix up the first entry in the Dictionary
            Details["0"] = "ControllerCount=" + ControllerCount;
            treeView1.ExpandAll();

            // Put the count numbers in the status tray
            toolStripStatusLabel1.Text = "Devices: " + DevCount + ", Hubs: " + HubCount;
        }

        //
        // a recursive routine to loop thru the nodes
        //
        private void ProcessHub(USB.USBHub Hub, TreeNode node)
        {
            // the information about the hub itself
            sb.Length = 0;
            sb.AppendLine("PortCount=" + Hub.PortCount);
            sb.AppendLine("DevicePath=" + Hub.DevicePath);
            sb.AppendLine("DriverKey=" + Hub.DriverKey);
            sb.AppendLine("Name=" + Hub.Name);
            sb.AppendLine("IsBusPowerred=" + Hub.IsBusPowered);
            sb.AppendLine("IsRootHub=" + Hub.IsRootHub);
            if (!Hub.IsRootHub)
            {
                sb.AppendLine("InstanceID=" + Hub.InstanceID);
                sb.AppendLine("Manufacturer=" + Hub.Manufacturer);
                sb.AppendLine("Product=" + Hub.Product);
                sb.AppendLine("SerialNumber=" + Hub.SerialNumber);
            }

            TreeNode HubNode = node.Nodes.Add(Hub.Name);
            HubNode.Tag = NodeIndex++;
            Details.Add(HubNode.Tag.ToString(), sb.ToString());

            // now loop thru all of the down stream ports
            foreach (USB.USBPort port in Hub.GetPorts())
            {
                // information about the port/connection
                sb.Length = 0;
                sb.AppendLine("HubDevicePath=" + port.HubDevicePath);
                sb.AppendLine("PortNumber=" + port.PortNumber);
                sb.AppendLine("Status=" + port.Status);
                sb.AppendLine("Speed=" + port.Speed);
                sb.AppendLine("IsDeviceConnected=" + port.IsDeviceConnected);
                sb.AppendLine("IsHub=" + port.IsHub);

                TreeNode PortNode = HubNode.Nodes.Add("Port " + port.PortNumber);
                PortNode.Tag = NodeIndex++;
                Details.Add(PortNode.Tag.ToString(), sb.ToString());

                // is this a hub?
                if (port.IsHub)
                {
                    USB.USBHub downstreamHub = port.GetHub();

                    // a Recursive routine...
                    ProcessHub(downstreamHub, PortNode);
                    HubCount++;
                }
                else
                {
                    // display the connected device information
                    if (port.IsDeviceConnected)
                    {
                        USB.USBDevice device = port.GetDevice();

                        sb.Length = 0;
                        sb.AppendLine("HubDevicePath=" + device.HubDevicePath);
                        sb.AppendLine("PortNumber=" + device.PortNumber);
                        sb.AppendLine("DriverKey=" + device.DriverKey);
                        sb.AppendLine("InstanceID=" + device.InstanceID);
                        sb.AppendLine("Name=" + device.Name);
                        sb.AppendLine("Manufacturer=" + device.Manufacturer);
                        sb.AppendLine("Product=" + device.Product);
                        sb.AppendLine("SerialNumber=" + device.SerialNumber);

                        TreeNode DevNode = PortNode.Nodes.Add(device.Name);
                        DevNode.Tag = NodeIndex++;
                        Details.Add(DevNode.Tag.ToString(), sb.ToString());
                        DevCount++;
                    }
                }
            }
        }

        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
        {
            // the Details dictionary object was populated while the TreeView
            // was being built, so its a simple index to get the data back.
            textBox1.Text = Details[e.Node.Tag.ToString()];
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void refreshToolStripMenuItem_Click(object sender, EventArgs e)
        {
            treeView1.Nodes.Clear();
            DoIt();
        }

        // return all connected devices (but not hubs)
        private void getDevicesToolStripMenuItem_Click(object sender, EventArgs e)
        {
            StringBuilder sbDevList = new StringBuilder();

            foreach (USB.USBDevice device in USB.GetConnectedDevices())
            {
                sbDevList.AppendLine("HubDevicePath=" + device.HubDevicePath);
                sbDevList.AppendLine("PortNumber=" + device.PortNumber);
                sbDevList.AppendLine("DriverKeyName=" + device.DriverKey);
                sbDevList.AppendLine("Name=" + device.Name);
                sbDevList.AppendLine("InstanceID=" + device.InstanceID);
                sbDevList.AppendLine("Manufacturer=" + device.Manufacturer);
                sbDevList.AppendLine("Product=" + device.Product);
                sbDevList.AppendLine("SerialNumber=" + device.SerialNumber);
                sbDevList.AppendLine("");
            }
            textBox1.Text = sbDevList.ToString();
        }

        // search for a device by DriverKeyName
        private void searchByDriverKeyNameToolStripMenuItem_Click(object sender, EventArgs e)
        {
            fmSearchKeyName SearchForm = new fmSearchKeyName();

            SearchForm.ShowDialog();
            if (SearchForm.DriverKeyName != "")
            {
                USB.USBDevice device = USB.FindDeviceByDriverKeyName(SearchForm.DriverKeyName);
                if (device != null)
                {
                    StringBuilder sbDevice = new StringBuilder();
                    sbDevice.AppendLine("HubDevicePath=" + device.HubDevicePath);
                    sbDevice.AppendLine("PortNumber=" + device.PortNumber);
                    sbDevice.AppendLine("DriverKeyName=" + device.DriverKey);
                    sbDevice.AppendLine("Name=" + device.Name);
                    sbDevice.AppendLine("InstanceID=" + device.InstanceID);
                    sbDevice.AppendLine("Manufacturer=" + device.Manufacturer);
                    sbDevice.AppendLine("Product=" + device.Product);
                    sbDevice.AppendLine("SerialNumber=" + device.SerialNumber);
                    textBox1.Text = sbDevice.ToString();
                }
                else
                    MessageBox.Show("Could not find a matching device");
            }
        }

        // search for a device by InstanceID
        private void toolStripMenuItem1_Click(object sender, EventArgs e)
        {
            fmSearchInstanceID SearchForm = new fmSearchInstanceID();

            SearchForm.ShowDialog();
            if (SearchForm.InstanceID != "")
            {
                USB.USBDevice device = USB.FindDeviceByInstanceID(SearchForm.InstanceID);
                if (device != null)
                {
                    StringBuilder sbDevice = new StringBuilder();
                    sbDevice.AppendLine("HubDevicePath=" + device.HubDevicePath);
                    sbDevice.AppendLine("PortNumber=" + device.PortNumber);
                    sbDevice.AppendLine("DriverKeyName=" + device.DriverKey);
                    sbDevice.AppendLine("Name=" + device.Name);
                    sbDevice.AppendLine("InstanceID=" + device.InstanceID);
                    sbDevice.AppendLine("Manufacturer=" + device.Manufacturer);
                    sbDevice.AppendLine("Product=" + device.Product);
                    sbDevice.AppendLine("SerialNumber=" + device.SerialNumber);
                    textBox1.Text = sbDevice.ToString();
                }
                else
                    MessageBox.Show("Could not find a matching device");
            }
        }

        // search for a device by Drive Letter
        private void searchByDriveLetterToolStripMenuItem_Click(object sender, EventArgs e)
        {
            fmSearchDrive SearchForm = new fmSearchDrive();

            SearchForm.ShowDialog();
            if (SearchForm.DriveLetter != "")
            {
                USB.USBDevice device = USB.FindDriveLetter(SearchForm.DriveLetter);
                if (device != null)
                {
                    StringBuilder sbDevice = new StringBuilder();
                    sbDevice.AppendLine("HubDevicePath=" + device.HubDevicePath);
                    sbDevice.AppendLine("PortNumber=" + device.PortNumber);
                    sbDevice.AppendLine("DriverKeyName=" + device.DriverKey);
                    sbDevice.AppendLine("Name=" + device.Name);
                    sbDevice.AppendLine("InstanceID=" + device.InstanceID);
                    sbDevice.AppendLine("Manufacturer=" + device.Manufacturer);
                    sbDevice.AppendLine("Product=" + device.Product);
                    sbDevice.AppendLine("SerialNumber=" + device.SerialNumber);
                    textBox1.Text = sbDevice.ToString();
                }
                else
                    MessageBox.Show("Could not find a matching device");
            }
        }
    }
}