1、在主窗体的private中定义过程:
procedure doenterastab(var Msg:TMsg;var Handled:Boolean);
begin
if Msg.message=WM_KEYDOWN then
begin
if Msg.wParam=VK_RETURN then
keybd_event(VK_TAB,0,0,0);
end;
end;
2、在主窗体的oncreate事件中加入:
Application.OnMessage:=doenterastab;