BoldSignEasily embed eSignatures in your .NET applications. Free sandbox with native SDK available.
Protected Overrides Function ProcessKeyEventArgs(ByRef m As System.Windows.Forms.Message) As Boolean If m.Msg = WM_KEYDOWN Then Dim keyCode As Keys = CType(m.WParam.ToInt32(), Keys) And Keys.KeyCode System.Console.WriteLine("KeyDown ->" + keyCode.ToString()) Return True 'handled End If End Function2) After closing the dropdown, try calling CurrentCell.Refresh to see if that handles things, or you might also try calling CurrentCell.ConfirmChanges().