External device connection include bluetooth

Question

I am looking solution for display custom message to the user whenever any external device (USBBluetoothHDMIetc) connected to the pc using the csharp application I tried with WMIQuery but I could not reach Is any solution available?

Sachin Singh · Answer

check if this helps // Set up WMI event query to detect device connection events string query = @SELECT * FROM Win32_DeviceChangeEvent WHERE EventType = 2; // Create a management event watcher using (ManagementEventWatcher watcher = new ManagementEventWatcher(query)) { // Register an event handler for the arrival of a new device watcher.EventArrived += (sender e) => { // Get the device name and description string deviceName = e.NewEvent.Properties[DeviceName].Value.ToString(); string deviceDescription = e.NewEvent.Properties[Description].Value.ToString(); Console.WriteLine($External device connected!
Name: {deviceName}
Description: {deviceDescription}); // Add your custom logic here to display a custom message or perform any action // For example you can use MessageBox.Show() to display a message box }; // Start listening for events watcher.Start(); Console.WriteLine(Listening for device connection events. Press Enter to exit.); Console.ReadLine(); // Stop listening when the application is closed watcher.Stop(); }

Sachin Singh · Answer

Test this // Set up WMI event query to detect device connection events string query = @SELECT * FROM Win32_DeviceChangeEvent WHERE EventType = 2; // Create a management event watcher using (ManagementEventWatcher watcher = new ManagementEventWatcher(query)) { // Register an event handler for the arrival of a new device watcher.EventArrived += (sender e) => { Console.WriteLine(External device connected!); // Add your custom logic here to display a custom message or perform any action // For example you can use MessageBox.Show() to display a message box }; // Start listening for events watcher.Start(); Console.WriteLine(Listening for device connection events. Press Enter to exit.); Console.ReadLine(); // Stop listening when the application is closed watcher.Stop(); }

Naimish Makwana · Answer

Try below code: using System; using System.Management; class Program { static void Main() { // Set up a WMI event watcher to monitor USB device connection ManagementEventWatcher watcher = new ManagementEventWatcher(); WqlEventQuery query = new WqlEventQuery(SELECT * FROM Win32_DeviceChangeEvent WHERE EventType = 2); watcher.EventArrived += (sender e) => { ManagementBaseObject targetInstance = (ManagementBaseObject)e.NewEvent.Properties[TargetInstance].Value; if (targetInstance != null) { string deviceName = targetInstance[Name] as string; Console.WriteLine($External device connected: {deviceName}); // You can display your custom message or perform other actions here } }; watcher.Query = query; watcher.Start(); Console.WriteLine(Press Enter to exit.); Console.ReadLine(); watcher.Stop(); } } Thanks

Janani Veeramanikandan · Answer

How can get device name which was connected

Jayraj Chhaya · Answer

To display a custom message when an external device is connected to a PC using a C# application you can utilize the ManagementEventWatcher class from the System.Management namespace. This class allows you to monitor WMI events and execute code when a specific event occurs. Here's an example of how you can achieve this: using System; using System.Management; class Program { static void Main(string[] args) { // Create a WMI query to monitor device connection events string query = SELECT * FROM Win32_DeviceChangeEvent WHERE EventType = 2; // Create a management event watcher with the query ManagementEventWatcher watcher = new ManagementEventWatcher(query); // Set the event handler for when a device connection event occurs watcher.EventArrived += DeviceConnected; // Start monitoring for device connection events watcher.Start(); // Wait for user input to exit the program Console.WriteLine(Press any key to exit...); Console.ReadKey(); // Stop monitoring for device connection events watcher.Stop(); } static void DeviceConnected(object sender EventArrivedEventArgs e) { // Get the device name from the event string deviceName = e.NewEvent.Properties[TargetInstance].ToString(); // Display a custom message to the user Console.WriteLine($Device connected: {deviceName}); } } In this example we create a ManagementEventWatcher object with a WMI query that filters for device connection events ( EventType = 2 ). We then set an event handler ( DeviceConnected ) to execute code when a device connection event occurs. Inside the event handler you can customize the code to display your desired custom message to the user. Remember to add a reference to the System.Management assembly in your C# project. This solution allows you to monitor and respond to external device connection events in real-time within your C# application.