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2009-12-15T22:03:06.607
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2009-12-15T22:03:06.607
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Yes, I realize this is a tad late, but this thread helped me, so I though I would pass it back up stream. I've expanded GWLlosa code a bit... I've also tried to comment generously. This lets you build your key sequence in code. For Narven, the sequence would be. <pre><code> private static List<List<Keys>> command = new List<List<Keys>>{ new List<Keys>{Keys.Control | Keys.M}, new List<Keys>{Keys.M} }; </code></pre> or <pre><code> private static List<List<Keys>> command = new List<List<Keys>>{ new List<Keys>{Keys.Control | Keys.M}, new List<Keys>{Keys.Control | Keys.M} }; </code></pre> depending on what he is trying to do. Full Code below. <pre><code> // This defines the command sequence. In this case, "ctrl-m, ctrl-m, 1 or 2 or 3 or 4, A" private static List<List<Keys>> command = new List<List<Keys>>{ new List<Keys>{Keys.Control | Keys.M}, new List<Keys>{Keys.Control | Keys.M}, new List<Keys>{Keys.D1, Keys.D2, Keys.D3, Keys.D4 }, new List<Keys>{Keys.A} }; private static List<Keys> currentKeyStack = new List<Keys>(); private static DateTime lastUpdate = DateTime.Now; // See if key pressed within 750ms (0.75 sec) private static TimeSpan lengthOfTimeForChordStroke = new TimeSpan(0, 0, 0, 0, 750); protected static void ProcessCmdKey(Keys keyData) { // Merge Modifiers (Ctrl, Alt, etc.) and key (A, B, 1, 2, etc.) Keys keySequence = (Control.ModifierKeys | keyData); if ((TimeSpan)(DateTime.Now - lastUpdate) > lengthOfTimeForChordStroke) { Console.WriteLine("Clear"); currentKeyStack.Clear(); } int index = currentKeyStack.Count(); Console.WriteLine("Index: " + index); Console.Write("Command: "); foreach (List<Keys> key in command) { foreach (Keys k in key) { Console.Write(" | " + k.ToString() + " (" + (int)k + ")"); } } Console.WriteLine(); Console.Write("Stack: "); foreach (Keys key in currentKeyStack) { Console.Write(" | " + key.ToString() + " (" + (int)key + ")"); } Console.WriteLine(); Console.WriteLine("Diff: " + (TimeSpan)(DateTime.Now - lastUpdate) + " length: " + lengthOfTimeForChordStroke); Console.WriteLine("#: " + index + "KeySeq: " + keySequence + " Int: " + (int)keySequence + " Key: " + keyData + " KeyInt: " + (int)keyData); // .Contains allows variable input, e.g Ctrl-M, Ctrl-M, 1 or 2 or 3 or 4 if (command[index].Contains(keySequence)) { Console.WriteLine("Added to Stack!"); currentKeyStack.Add(keySequence); } else { // Clear stack since input didn't match Console.WriteLine("Clear"); currentKeyStack.Clear(); } // When command sequence has been met if (currentKeyStack.Count == command.Count()) { // Do your thing here... Console.WriteLine("CAPTURED: " + currentKeyStack[2]); } // Reset LastUpdate Console.WriteLine("Reset LastUpdate"); lastUpdate = DateTime.Now; Console.WriteLine("\n"); } </code></pre>
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1. POHow can I grab a double key stroke in .NET
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1. PTAnswer
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1. USMichael Rice
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