joingame.pas

基于delphi7.0

unit JoinGame;

interface

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

type
  TForm_JoinGame = class(TForm)
    Label2: TLabel;
    edtServerPort: TEdit;
    Label1: TLabel;
    edtServerHost: TEdit;
    btnOK: TButton;
    btnCancel: TButton;
    procedure btnOKClick(Sender: TObject);
    procedure btnCancelClick(Sender: TObject);
    procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form_JoinGame: TForm_JoinGame;

implementation

uses Main;

{$R *.dfm}

var
  FormModal:Integer;                //ModalResult;

procedure TForm_JoinGame.btnOKClick(Sender: TObject);
begin
  if edtServerHost.Text = '' then
  begin
    Application.MessageBox('服务器名不能为空','提示');
    edtServerHost.SetFocus;
    Exit;
  end;

  if edtServerPort.Text = '' then
  begin
    Application.MessageBox('端口号不能为空，请输入大于零的正确端口号','提示');
    edtServerPort.SetFocus;
    Exit;
  end;

  try
    Form_Main.TCPClient.Host:=edtServerHost.Text;
    Form_Main.TCPClient.Port:=StrToInt(edtServerPort.Text);
  except
    Application.MessageBox('请输入大于零的正确端口号','提示');
    edtServerPort.SetFocus;
    Exit;
  end;

  Form_Main.TCPClient.Open;

  FormModal := mrOK;
  Close;
end;

procedure TForm_JoinGame.btnCancelClick(Sender: TObject);
begin
  FormModal := mrCancel;
  Close;
end;

procedure TForm_JoinGame.FormCloseQuery(Sender: TObject;
  var CanClose: Boolean);
begin
  ModalResult := FormModal;
end;

end.