edrawings 2017 sp3 to display solidworks files, unable to see Tool bar on displaying file

i want to use Edrawings 2017 to display solidworks files in my application,

i did reffer these two dlls eDrawingHostControl.dll and EModelView.dll to my application

i wrote code as following

public partial class Form1 : Form

    {

        eDrawingControl ed;

        public Form1()

        {

            InitializeComponent();

            ed = new eDrawingControl();

            this.ed.BackColor = System.Drawing.Color.White;

            this.ed.EnableFeatures = 64;

            this.ed.Location = new System.Drawing.Point(46, 56);

            this.ed.Name = "ed";

            this.ed.Size = new System.Drawing.Size(479, 314);

            this.ed.TabIndex = 0;

            this.Controls.Add(ed);

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            ed.eDrawingControlWrapper.OpenDoc(@"E:\assignment_2.sldprt", false, false, false, "");

        }

    }

i am able to see the file but toolbar is not being displayed, please help me how to get the Tool bar on the displaying file,

i tired these following code, even though i could not get Tool bar

          ed.eDrawingControlWrapper.ShowToolbar(True)

        ed.eDrawingControlWrapper.ShowAllTooltips()

        ed.eDrawingControlWrapper.ShowFullScreen(True)

i attached the snap shot , please see the attached file

Thanks

Murali s