62 lines
1.8 KiB
C#
62 lines
1.8 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Windows.Threading;
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namespace dnSpy.Contracts.Utilities {
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/// <summary>
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/// Executes code after a slight delay
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/// </summary>
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sealed class DelayedAction {
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readonly int milliseconds;
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readonly Action action;
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readonly DispatcherTimer dispatcherTimer;
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="milliseconds">Milliseconds to wait</param>
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/// <param name="action">Code to execute</param>
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public DelayedAction(int milliseconds, Action action) {
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this.milliseconds = milliseconds;
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this.action = action ?? throw new ArgumentNullException(nameof(action));
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dispatcherTimer = new DispatcherTimer(TimeSpan.FromMilliseconds(milliseconds), DispatcherPriority.Send, StartIt, Dispatcher.CurrentDispatcher);
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}
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void StartIt(object? sender, EventArgs e) {
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dispatcherTimer.Stop();
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action();
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}
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/// <summary>
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/// Cancels the timer
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/// </summary>
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public void Cancel() => dispatcherTimer.Stop();
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/// <summary>
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/// Starts the timer
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/// </summary>
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public void Start() {
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dispatcherTimer.Stop();
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dispatcherTimer.Start();
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}
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}
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}
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