unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ScktComp, Menus;type
TForm1 = class(TForm)
MainMenu1: TMainMenu;
ClientSocket1: TClientSocket;
connectitem1: TMenuItem;
disconnect1: TMenuItem;
exit1: TMenuItem;
ServerSocket1: TServerSocket;
Memo1: TMemo;
Memo2: TMemo;
listenitem1: TMenuItem;
procedure listenitem1Click(Sender: TObject);
procedure connectitem1Click(Sender: TObject);
procedure Memo1KeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState); private
{ Private declarations }
public
{ Public declarations } end;var
Form1: TForm1;implementation{$R *.dfm}
procedure TForm1.listenitem1Click(Sender: TObject); begin
listenitem1.Checked:=not listenitem1.Checked;
if listenitem1.Checked then
begin
clientsocket1.Active:=false;
serversocket1.Active:=true;
end
else
begin
if serversocket1.Active then
serversocket1.Active :=false;
end;
end;
procedure TForm1.connectitem1Click(Sender: TObject);
var
my_server :string;
begin
if clientsocket1.Active then clientsocket1.Active:=false;
my_server :=inputbox('computer to connect to','address name:','');
if my_server<>'' then
begin
with clientsocket1 do
begin
host:=my_server;
active:=true;
listenitem1.Checked:=false;
end;//with clientsocket do
end;//my_server<>'' then
end;procedure TForm1.Memo1KeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if key =vk_return then
if server then
serversocket1.socket.connections[0].sendText(Memo1.LineS[Memo1.LineS.Count - 1])
else
clientsocket1.socket.sendtext(Memo1.LineS[Memo1.LineS.Count -1]);end; end.
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ScktComp, Menus;type
TForm1 = class(TForm)
MainMenu1: TMainMenu;
ClientSocket1: TClientSocket;
connectitem1: TMenuItem;
disconnect1: TMenuItem;
exit1: TMenuItem;
ServerSocket1: TServerSocket;
Memo1: TMemo;
Memo2: TMemo;
listenitem1: TMenuItem;
procedure listenitem1Click(Sender: TObject);
procedure connectitem1Click(Sender: TObject);
procedure Memo1KeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState); private
{ Private declarations }
public
{ Public declarations } end;var
Form1: TForm1;implementation{$R *.dfm}
procedure TForm1.listenitem1Click(Sender: TObject); begin
listenitem1.Checked:=not listenitem1.Checked;
if listenitem1.Checked then
begin
clientsocket1.Active:=false;
serversocket1.Active:=true;
end
else
begin
if serversocket1.Active then
serversocket1.Active :=false;
end;
end;
procedure TForm1.connectitem1Click(Sender: TObject);
var
my_server :string;
begin
if clientsocket1.Active then clientsocket1.Active:=false;
my_server :=inputbox('computer to connect to','address name:','');
if my_server<>'' then
begin
with clientsocket1 do
begin
host:=my_server;
active:=true;
listenitem1.Checked:=false;
end;//with clientsocket do
end;//my_server<>'' then
end;procedure TForm1.Memo1KeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if key =vk_return then
if server then
serversocket1.socket.connections[0].sendText(Memo1.LineS[Memo1.LineS.Count - 1])
else
clientsocket1.socket.sendtext(Memo1.LineS[Memo1.LineS.Count -1]);end; end.
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{ Private declarations }
public
{ Public declarations } end;var
Form1: TForm1;implementation
server:boolean;
{$R *.dfm}如果在这儿申明错误提示更多,不知申明什么好。会的人能教教我吗?
private
{ Private declarations }
server:boolean; //在这里声明私有变量
public
{ Public declarations }
server:boolean; //在这里声明公共变量
end;
var
Form1: TForm1;
server:boolean; //在这里声明全局变量
implementation
{ Private declarations }
public
{ Public declarations } end;var
Form1: TForm1;implementation
server:boolean;
{$R *.dfm}如果在这儿申明错误提示更多,不知申明什么好。会的人能教教我吗?
//这声明的只能在实现部分访问。其他单元不可方问题。
//关键是你声明写错了,正确的应该为:var
Form1: TForm1;implementationvar
server:boolean;