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POIs there any C# implementation or way to have a textbox that takes a key sequence as input?
 

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  1. POIs there any C# implementation or way to have a textbox that takes a key sequence as input?
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    <p>I have an implementation which hooks into the keydown event, which suppresses the keypress event and does some magic. Now I want to show something more friendly than "ControlKey" etc, so there's a switch you can see in the code below. Except I've realised things like the number keys along the top end up as <code>D1</code>, <code>D2</code>, etc., and then there's things like <code>Add</code> showing up for the numpad +. In addition, Print Screen doesn't seem to be recognised.</p> <p>Is there something I'm missing?</p> <p>This is a hard question for me to describe fluently, but hopefully you get what I mean. If not I guess I'll be replying to comments and improving this as I go.</p> <pre><code>private int numKeys = 0; private List&lt;int&gt; shortcutKeys = new List&lt;int&gt;(); private void textBoxRegionKeys_Click(object sender, EventArgs e) { textBoxRegionKeys.SelectAll(); } private void textBoxRegionKeys_KeyDown(object sender, KeyEventArgs e) { // There are certain keys we want to ignore... if (e.KeyCode != Keys.Delete &amp;&amp; e.KeyCode != Keys.Back) { // We can handle this ourselves, thanks e.SuppressKeyPress = true; // Shortern what we show string ret = e.KeyCode.ToString(); switch (ret) { case "ControlKey": ret = "Ctrl"; break; case "ShiftKey": ret = "Shift"; break; case "Menu": ret = "Alt"; break; } // If we haven't selected anything, we should be appending if (textBoxRegionKeys.SelectionLength == 0) { if (numKeys &gt; 0) { // Does our key already exist in the list? if (shortcutKeys.Exists(x =&gt; x == e.KeyValue)) { return; } textBoxRegionKeys.Text += " + "; } textBoxRegionKeys.Text += ret; shortcutKeys.Add(e.KeyValue); numKeys++; } else { textBoxRegionKeys.Text = ret; shortcutKeys.Clear(); shortcutKeys.Add(e.KeyValue); numKeys = 1; } } } </code></pre>
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