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    <p>If I understand it correctly then what you have doesn't sound too bad. Are you saying that:</p> <ul> <li>You have a client server architecture.</li> <li>At the server (presumably at command console or management application) you press a key.</li> <li>The key corresponds to an action. The action needs to be invoked at the client.</li> </ul> <p>You could implement this using asynchronous WCF. See <a href="https://stackoverflow.com/questions/353383/beginners-wcf-question-consumable-asynchronous-services">here</a> and <a href="https://stackoverflow.com/questions/400798/how-to-make-a-call-to-my-wcf-service-asynchronous">here</a> for more some more info. One way to look at this problem is as a distributed observer pattern. Your server is the subject and the client(s) are the observer(s).</p> <hr> <p>Update: Handling Key Events in .Net</p> <p>You could try adding a KeyDown event handler to your form:</p> <pre><code>private void Form1_KeyDown(object sender, KeyEventArgs e) { if (e.Control &amp; e.KeyCode == Keys.C) { MessageBox.Show( "Ctrl + C pressed" ); // Swallow key event, i.e. indicate that it was handled. e.Handled = true; } } </code></pre> <p>But if you have any controls on your form then you won't get the event. What you probably need to do is sniff windows messages using a message filter. E.g.</p> <pre><code>public class KeyDownMessageFilter : IMessageFilter { public const int WM_KEYDOWN = 0x0100; public bool PreFilterMessage(ref Message m) { if (m.Msg == WM_KEYDOWN) { // Key Down return true; // Event handled } return false; } } </code></pre> <p>Add this message filter to the application using the <a href="http://msdn.microsoft.com/en-us/library/system.windows.forms.application.addmessagefilter.aspx" rel="nofollow noreferrer">AddMessageFilter</a> method. If you want to check if the CTRL key is pressed for the key down message then check the <a href="http://msdn.microsoft.com/en-us/library/ms646280(VS.85).aspx" rel="nofollow noreferrer">lparam</a>.</p> <p>If any of this isn't clear then let me know.</p>
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    1. COcan you tell me how to get combination of key from my application like Ctrl+c Ctrl+v etc....
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