How to intercept/catch the event of OSK.exe(On-screen Keyboard) when displayed?

Question

I need to intercept/catch the OSK.exe event when it launched or how to call an custom_osk before default one launches without editing the registry.is there any possible way to achieve this.

Answer 1

You can use ManagementEventWatcher and watch Win32_ProcessStartTrace to receive an event when a new process starts.

The following example shows how you can detect when OSK.exe starts:

using System.Management;  
using System.Windows;  
namespace WpfApp1  
{  
    public partial class MainWindow : Window  
    {  
        public MainWindow()  
        {  
            InitializeComponent();  
        }  
        ManagementEventWatcher watcher;  
        private void Window_Loaded(object sender, RoutedEventArgs e)  
        {  
            watcher = new ManagementEventWatcher(  
            "Select * From Win32_ProcessStartTrace Where ProcessName = 'osk.exe'");  
            watcher.EventArrived += new EventArrivedEventHandler(watcher_EventArrived);  
            watcher.Start();  
            this.Title = "Waiting for OSK.exe to run ...";  
        }  
        void watcher_EventArrived(object sender, EventArrivedEventArgs e)  
        {  
            Dispatcher.Invoke(() => this.Title = "OSK.exe is running now.");  
        }  
        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)  
        {  
            watcher.Stop();  
            watcher.Dispose();  
        }  
    }  
}