How to show ContextMenuStrip in a grid cell in the edit mode in WinForms GridControl?

void gridControl1_CurrentCellControlLostFocus(object sender, ControlEventArgs e)
{
    e.Control.MouseDown -= new MouseEventHandler(Control_MouseDown);
}
void Control_MouseDown(object sender, MouseEventArgs e)
{
    if (e.Button == MouseButtons.Right)
      this.contextMenuStrip1.Show(Control.MousePosition.X, Control.MousePosition.Y);
}
void gridControl1_CurrentCellControlGotFocus(object sender, ControlEventArgs e)
{
    e.Control.MouseDown += new MouseEventHandler(Control_MouseDown);
}

Private Sub gridControl1_CurrentCellControlLostFocus(ByVal sender As Object, ByVal e As ControlEventArgs)
      RemoveHandler e.Control.MouseDown, AddressOf Control_MouseDown
End Sub
Private Sub Control_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs)
    If e.Button = MouseButtons.Right Then
 Me.contextMenuStrip1.Show(Control.MousePosition.X, Control.MousePosition.Y)
    End If
End Sub
Private Sub gridControl1_CurrentCellControlGotFocus(ByVal sender As Object, ByVal e As ControlEventArgs)
  AddHandler e.Control.MouseDown, AddressOf Control_MouseDown
End Sub