How to rename Tab control items in WinForms?

void radioButtonAdv1_CheckChanged(object sender, EventArgs e)
{
   if (this.radioButtonAdv1.Checked)
   {
     //Sets the TabControlAdv in the LabelEdit mode.
     this.tabControlAdv1.LabelEdit = true;
     this.tabControlAdv1.StartEdit();
   }
   else if (this.radioButtonAdv2.Checked)
     //Disables the LabelEdit behavior of the TabControlAdv.
     this.tabControlAdv1.LabelEdit = false;
}
//Creates a custom control.
public class MyTabControl : TabControlAdv
{
   public MyTabControl() : base()
   {    }
   //Sets the TabPageAdv in the edit mode.
   public void StartEdit()
   {
      StartLabelEdit();
   }
}

Private Sub radioButtonAdv1_CheckChanged(ByVal sender As Object, ByVal e As EventArgs)
   If Me.radioButtonAdv1.Checked Then
     'Sets the TabControlAdv in the LabelEdit mode.
     Me.tabControlAdv1.LabelEdit = True
     Me.tabControlAdv1.StartEdit()
   ElseIf Me.radioButtonAdv2.Checked Then
     'Disables the LabelEdit behavior of the TabControlAdv.
     Me.tabControlAdv1.LabelEdit = False
   End If
End Sub
'Creates a custom control.
Public Class MyTabControl
    Inherits TabControlAdv
    Public Sub New()
        MyBase.New()
    End Sub
    'Sets the TabPageAdv in the edit mode.
    Public Sub StartEdit()
        StartLabelEdit()
    End Sub
End Class