How to disable the LabelEdit functionality in a particular TabPageAdv based on its text in WinForms TabControlAdv?

//Handles the MouseDown event.
private void tabControlAdv1_MouseDown(object sender, MouseEventArgs e)
{
   if(e.Clicks == 2)
   {
     //Gets the selected tabpage text.
     SelectedTabPageText = this.tabControlAdv1.SelectedTab.Text;
   }
}
//Validates the renamed text of the SelectedTab.
private void tabControlAdv1_LabelEditTextChanged(object sender, EventArgs e)
{
   if(this.tabControlAdv1.SelectedTab.Text != SelectedTabPageText)
   {
     //Resets the text of the tabpage.
     this.tabControlAdv1.SelectedTab.Text = SelectedTabPageText;
     MessageBox.Show("Invalid TabPage name");
   }
}

'Handles the MouseDown event.
Private Sub tabControlAdv1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles tabControlAdv1.MouseDown
   If e.Clicks = 2 Then
     'Gets the selected tabpage text
     SelectedTabPageText = Me.tabControlAdv1.SelectedTab.Text
   End If
End Sub
'Validates the renamed text of the SelectedTab.
Private Sub tabControlAdv1_LabelEditTextChanged(ByVal sender As Object, ByVal e As EventArgs) Handles tabControlAdv1.LabelEditTextChanged
   If Me.tabControlAdv1.SelectedTab.Text <> SelectedTabPageText Then
     'Resets the text of the tabpage.
     Me.tabControlAdv1.SelectedTab.Text = SelectedTabPageText
     MessageBox.Show("Invalid TabPage name ")
   End If
End Sub