using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace myProgram
{
    public class MyToolBar : BindingNavigator
    {
        private ToolStripButton DataGrid_ToolstripMoveNext = new ToolStripButton();
    private ToolStripButton toolStripButton1 = new ToolStripButton();
    System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));

    public override void AddStandardItems()
    {
        this.Items.AddRange(new ToolStripItem[] { DataGrid_ToolstripMoveNext, toolStripButton1 });
    }

    private void OnClick(object sender, EventArgs e)
    {
        // here is some code that doesn't execute
    }
    public MyToolBar()
    {
        // Default button
        DataGrid_ToolstripMoveNext.Name = "DataGrid_ToolstripMoveNext";
        DataGrid_ToolstripMoveNext.Text = "Move next";
        DataGrid_ToolstripMoveNext.MouseHover += new EventHandler((sender, e) => //code that doesn't work either);

        // My custom button
        toolStripButton1.Name = "DataGrid_MyButton";
        toolStripButton1.Text = "My Button2";
        toolStripButton1.MouseHover += new EventHandler(OnClick);

        MoveNextItem = DataGrid_ToolstripMoveNext;

        MoveNextItem.Enabled = true;
        toolStripButton1.Enabled = true;
    }

    private void InitializeComponent()
    {
        ((System.ComponentModel.ISupportInitialize)(this)).BeginInit();
        this.SuspendLayout();
        ((System.ComponentModel.ISupportInitialize)(this)).EndInit();
        this.ResumeLayout(false);
    }
}