un_input.pas

局域网的一个聊天程序

unit Un_input;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  Tform_input = class(TForm)
    lb_inf: TLabel;
    ed_val: TEdit;
    Button1: TButton;
    procedure ed_valKeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  form_input: Tform_input;

implementation

{$R *.dfm}

procedure Tform_input.ed_valKeyPress(Sender: TObject; var Key: Char);
begin
 if key=#13 then
  button1.Click;
end;

end.