Create custom commands/key bindings about terminal.gui HOT 3 CLOSED

Application.RootKeyEvent += (e) =>
{
    if (e.Key == (Key.CtrlMask | Key.U))
    {
        Debug.WriteLine("Hey");
    }
    // Let the other handlers also run (or return true to consume event)
    return false;
};

var b = new Button { Text="ClickMe"};
b.KeyUp += (e) =>
{
    if (e.KeyEvent.Key == (Key.CtrlMask | Key.U))
    {
        Debug.WriteLine("Hi");
        // Let the other handlers also run  (or true to consume event)
        e.Handled = false;
    }
};

class MyButton : Button
{
    public MyButton()
    {

        // My control can be Expanded (Command.Expand)
        AddCommand(Command.Expand, () => { 

            // This is the code to execute when it is Expanded
            Debug.WriteLine("Hello");
            return true;
        });

        // By default the combination to expand this control is Ctrl+U
        AddKeyBinding(Key.CtrlMask | Key.U, Command.Expand);
    }
}

using System.Diagnostics;
using Terminal.Gui;

public class Program
{
    static void Main(string[] args)
    {
        Application.Init();

        var w = new Window();

        var b = new MyButton { Text="ClickMe"};
        w.Add(b);

        b.KeyUp += (e) =>
        {
            if (e.KeyEvent.Key == (Key.CtrlMask | Key.U))
            {
                Debug.WriteLine("Hi");
                // Let the other handlers also run
                e.Handled = false;
            }
        };


        Application.RootKeyEvent += (e) =>
        {
            if (e.Key == (Key.CtrlMask | Key.U))
            {
                Debug.WriteLine("Hey");
            }
            // Let the other handlers also run
            return false;
        };

        // Run the application loop.
        Application.Run(w);

        Application.Shutdown();
    }
    class MyButton : Button
    {
        public MyButton()
        {
            AddCommand(Command.Expand, () => { 
                Debug.WriteLine("Hello");
                return true;
            });
            AddKeyBinding(Key.CtrlMask | Key.U, Command.Expand);
        }
    }
}

public enum ExtendedCommand
{
    ReservedByTerminalGui = 999,

    ShootMainCannon,
    ActivateThrusters,
}

class MyButton : Button
{
    public MyButton()
    {
        AddCommand((Command)ExtendedCommand.ShootMainCannon, () => {
            Debug.WriteLine("Hello");
            return true;
        });
        AddKeyBinding(Key.CtrlMask | Key.U, (Command)ExtendedCommand.ShootMainCannon);
    }
}

public enum ExtendedCommand
{
    LineDown = Command.LineDown,
    LineDownExtend = Command.LineDownExtend,
    LineDownToLastBranch = Command.LineDownToLastBranch,
    ScrollDown = Command.ScrollDown,
    LineUp = Command.LineUp,
    LineUpExtend = Command.LineUpExtend,
    LineUpToFirstBranch = Command.LineUpToFirstBranch,
    ScrollUp = Command.ScrollUp,
    Left = Command.Left,
    ScrollLeft = Command.ScrollLeft,
    LeftExtend = Command.LeftExtend,
    Right = Command.Right,
    ScrollRight = Command.ScrollRight,
    RightExtend = Command.RightExtend,
    WordLeft = Command.WordLeft,
    WordLeftExtend = Command.WordLeftExtend,
    WordRight = Command.WordRight,
    WordRightExtend = Command.WordRightExtend,
    CutToEndLine = Command.CutToEndLine,
    CutToStartLine = Command.CutToStartLine,
    KillWordForwards = Command.KillWordForwards,
    KillWordBackwards = Command.KillWordBackwards,
    ToggleOverwrite = Command.ToggleOverwrite,
    EnableOverwrite = Command.EnableOverwrite,
    DisableOverwrite = Command.DisableOverwrite,
    PageDown = Command.PageDown,
    PageDownExtend = Command.PageDownExtend,
    PageUp = Command.PageUp,
    PageUpExtend = Command.PageUpExtend,
    TopHome = Command.TopHome,
    TopHomeExtend = Command.TopHomeExtend,
    BottomEnd = Command.BottomEnd,
    BottomEndExtend = Command.BottomEndExtend,
    OpenSelectedItem = Command.OpenSelectedItem,
    ToggleChecked = Command.ToggleChecked,
    Accept = Command.Accept,
    ToggleExpandCollapse = Command.ToggleExpandCollapse,
    Expand = Command.Expand,
    ExpandAll = Command.ExpandAll,
    Collapse = Command.Collapse,
    CollapseAll = Command.CollapseAll,
    Cancel = Command.Cancel,
    UnixEmulation = Command.UnixEmulation,
    DeleteCharRight = Command.DeleteCharRight,
    DeleteCharLeft = Command.DeleteCharLeft,
    SelectAll = Command.SelectAll,
    DeleteAll = Command.DeleteAll,
    StartOfLine = Command.StartOfLine,
    StartOfLineExtend = Command.StartOfLineExtend,
    EndOfLine = Command.EndOfLine,
    EndOfLineExtend = Command.EndOfLineExtend,
    StartOfPage = Command.StartOfPage,
    EndOfPage = Command.EndOfPage,
    PageLeft = Command.PageLeft,
    PageRight = Command.PageRight,
    LeftHome = Command.LeftHome,
    LeftHomeExtend = Command.LeftHomeExtend,
    RightEnd = Command.RightEnd,
    RightEndExtend = Command.RightEndExtend,
    Undo = Command.Undo,
    Redo = Command.Redo,
    Copy = Command.Copy,
    Cut = Command.Cut,
    Paste = Command.Paste,
    QuitToplevel = Command.QuitToplevel,
    Suspend = Command.Suspend,
    NextView = Command.NextView,
    PreviousView = Command.PreviousView,
    NextViewOrTop = Command.NextViewOrTop,
    PreviousViewOrTop = Command.PreviousViewOrTop,
    Refresh = Command.Refresh,
    ToggleExtend = Command.ToggleExtend,
    NewLine = Command.NewLine,
    Tab = Command.Tab,
    BackTab = Command.BackTab,

    ShootMainCannon,
    ActivateThrusters,
}