Re-removed class

Terminal.Gui/View/StateEventArgs.cs

@@ -1,27 +0,0 @@
-#nullable enable
-using System.ComponentModel;
-
-namespace Terminal.Gui;
-
-/// <summary><see cref="EventArgs"/> for events that convey state changes to a <see cref="View"/> class.</summary>
-/// <remarks>
-/// Events that use this class can be cancellable. The <see cref="CancelEventArgs.Cancel"/> property should be set to
-/// <see langword="true"/> to prevent the state change from occurring.
-/// </remarks>
-public class StateEventArgs<T> : CancelEventArgs
-{
-    /// <summary>Creates a new instance of the <see cref="StateEventArgs{T}"/> class.</summary>
-    /// <param name="oldValue"></param>
-    /// <param name="newValue"></param>
-    public StateEventArgs (T oldValue, T newValue)
-    {
-        OldValue = oldValue;
-        NewValue = newValue;
-    }
-
-    /// <summary>The new state</summary>
-    public T NewValue { get; set; }
-
-    /// <summary>The previous state</summary>
-    public T OldValue { get; }
-}