How to hide and show ToolStripEx items dynamically in WinForms ToggleButton?

if(this.toggleButton1.ToggleState == Syncfusion.Windows.Forms.Tools.ToggleButtonState.Active)
{
   foreach (ToolStripItem button in this.toolStripEx1.Items)
   {
       // To hide the controls loaded in ToolStripEx
       button.Visible = false;
       this.toolStripEx1.Refresh();
   }
}
else
{
   foreach (ToolStripItem button in this.toolStripEx1.Items)
   {
       // To show the controls loaded in ToolStripEx
       button.Visible = true;
       this.toolStripEx1.Refresh();
   }
}

Private Sub toggleButton1_ToggleStateChanged(ByVal sender As Object, ByVal e As Syncfusion.Windows.Forms.Tools.ToggleStateChangedEventArgs) Handles toggleButton1.ToggleStateChanged
   If Me.toggleButton1.ToggleState = Syncfusion.Windows.Forms.Tools.ToggleButtonState.Active Then
     For Each button As ToolStripItem In Me.toolStripEx1.Items
         'To hide the control in ToolStripEx
         button.Visible = False
         Me.toolStripEx1.Refresh()
     Next button
   Else
     For Each button As ToolStripItem In Me.toolStripEx1.Items
         button.Visible = True
         'To show the control in ToolStripEx
         Me.toolStripEx1.Refresh()
     Next button
   End If
End Sub