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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)

using System;
using System.Collections.ObjectModel;

namespace Tango.Scripting.Editors.Utils
{
	/// <summary>
	/// Provides immutable empty list instances.
	/// </summary>
	static class Empty<T>
	{
		public static readonly T[] Array = new T[0];
		//public static readonly ReadOnlyCollection<T> ReadOnlyCollection = new ReadOnlyCollection<T>(Array);
	}
}
m.Threading.Tasks; using System.Windows.Controls; using System.Windows.Input; namespace Tango.MachineStudio.Logging.Controls { public class TimelineScrollViewer : ScrollViewer { public event EventHandler<MouseWheelEventArgs> MouseZooming; protected override void OnMouseWheel(MouseWheelEventArgs e) { if (Keyboard.IsKeyDown(Key.LeftCtrl)) { e.Handled = true; OnMouseZooming(e); } else { base.OnMouseWheel(e); } e.Handled = false; } protected override void OnKeyDown(KeyEventArgs e) { if (e.KeyboardDevice.Modifiers == ModifierKeys.Control) { if (e.Key == Key.Left || e.Key == Key.Right) e.Handled = true; return; } base.OnKeyDown(e); } protected override void OnPreviewKeyDown(KeyEventArgs e) { e.Handled = true; } protected virtual void OnMouseZooming(MouseWheelEventArgs e) { if (MouseZooming != null) MouseZooming(this, e); } } }