我从TDBGrid继承了一个MyDBGrid，并改写了一下KeyDown事件，然而当我把dgAlwaysShowEditor改为True时，KeyDown事件就不响应了，请帮忙看

Question

以下是我的Unit中的代码：
[code]
unit Unit1;interfaceuses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ADOColorDBGrid, DBGridEh, Grids, DBGrids, DB, ADODB;type
  TMyDBGrid = class(TDBGrid)
    procedure KeyDown(var Key: Word;
      Shift: TShiftState); override;
  end;  TForm1 = class(TForm)
    ADOConnection1: TADOConnection;
    ADOTable1: TADOTable;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    procedure DBGrid1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;var
  Form1: TForm1;
  MyDBGrid1: TMyDBGrid;implementation{$R *.dfm}procedure TForm1.DBGrid1KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if Key = 13 then
  begin
    Key := 0;
    PostMessage(DBGrid1.Handle, WM_KEYDOWN, VK_TAB, 0);
  end
  else
    inherited;
end;{ TMyDBGrid }procedure TMyDBGrid.KeyDown(var Key: Word;
  Shift: TShiftState);
begin
  if Key = 13 then
  begin
    Key := 0;
    PostMessage(Handle, WM_KEYDOWN, VK_TAB, 0);
  end
  else
    inherited;
end;procedure TForm1.FormCreate(Sender: TObject);
begin
  MyDBGrid1 := TMyDBGrid.Create(Self);
  with MyDBGrid1 do
  begin
    Parent := Self;
    DataSource := DataSource1;
    Align := alClient;
    Options := DBGrid1.Options; ///////
    Show;
  end;
end;end.
[/code]DBGrid1的OnKeyDown事件正常响应；如果把DBGrid1的Options->dgAlwaysShowEditor设为True，MyDBGrid1的KeyDown就不响应了，反之则正常响应。为什么会这样？？？不解[:(][:(]

Answer 1

问题已经解决了，100分，两位分了吧。