Contoh Program Delphi Peminjaman Buku

BAGIAN 7 FORM PENCARIAN DATA ANGGOTA & BUKU. BAGIAN 8 FORM PEMINJAMAN. Algoritma Buku Tutorial Contoh Program C Programming Delphi Framework Informasi Terbaru.

DescriptionThis example builds a Chat Room using sockets components. To build the example, follow the instructions:
  1. Install the socket components.
  2. Create a VCL Forms Application and save it as Server.
  3. In the Project Manager, right-click ProjectGroup1 > Add New Project and add a new VCL Forms Application. Save it as Client.
  4. Add two buttons (Send and Start/Stop), a memo box, an edit box, and a TServerSocket from the Tool Palette to the Server form.
  5. Add two buttons (Send and Connect/Disconnect), a memo box, an edit box, and a TClientSocket from the Tool Palette to the Client form.
  6. In Server.pas
    1. Add to the TForm1 class a private variable, Str, of type String, in which to save the messages received or sent by the server.
    2. Add the code below to the OnClick event of the Start button:
    3. Add the code below to the OnClick event of the Send button:
    4. Add the code below to the OnClientConnect event of TServerSocket:
    5. Add the code below to the OnClientDisconnect event of TServerSocket:
    6. Add the code below to the OnClientRead event of TServerSocket:
  7. In Client.pas
    1. Add to the TForm2 class a private variable, Str, of type String, in which to save the messages received or sent by the client.
    2. Add the code below to the OnClick event of the Connect button:
    3. Add the code below to the OnClick event of the Send button:
    4. Add the code below to the OnDisconnect event of TClientSocket:
    5. Add the code below to the OnError event of TClientSocket:
    6. Add the code below to the OnRead event of TClientSocket:
To test the example:
  1. In the Project Manager, right-click Server.exe and then press Run.
  2. Right-click Client.exe and then Run without debugging.
  3. Start the Server by pressing the Start button from the server form.
  4. Connect the Client by pressing the Connect button from the client form.
  5. Start sending messages from server to client, and from client to server.

See Also

Chat Room Socket (Delphi) Description This example builds a Chat Room using sockets components. To build the example, follow the instructions:. Windows developer preview torrent. Create a VCL Forms Application and save it as Server. In the Project Manager, right-click ProjectGroup1 Add New Project and add a new VCL Forms Application. Save it as Client. Add two buttons (Send and Start/Stop), a memo box, an edit box, and a from the Tool Palette to the Server form. Add two buttons (Send and Connect/Disconnect), a memo box, an edit box, and a from the Tool Palette to the Client form.

Code. In Server.pas. Add to the TForm1 class a private variable, Str, of type String, in which to save the messages received or sent by the server. Add the code below to the event of the Start button. Procedure TForm1.

Contoh Program Delphi Peminjaman Buku

Button2Click (Sender: TObject ); begin if (ServerSocket1. Active = False ) //The button caption is ‘Start’ then begin ServerSocket1. Active: = True; //Activates the server socket Memo1. Text: =Memo1. Text + 'Server Started' + #13 #10; Button2. Caption: = 'Stop'; //Set the button caption end else //The button caption is ‘Stop’ begin ServerSocket1. Active: = False; //Stops the server socket Memo1.

Text: =Memo1. Text + 'Server Stopped' + #13 #10; Button2.

Caption: = 'Start'; //If the server is closed, then it cannot send any messages Button1. Enabled: = false; //Disables the “Send” button Edit1.

Enabled: = false; //Disables the edit box end; end;. Add the code below to the event of the Send button. Procedure TForm2. Button1Click (Sender: TObject ); var i: integer; begin Str: =Edit1.

Text; //Take the string (message) sent by the server Memo1. Text: =Memo1.

Text + 'me: ' + Str + #13 #10; //Adds the message to the memo box Edit1. Text: = '; //Clears the edit box //Sends the messages to all clients connected to the server for i: = 0 to ServerSocket1. ActiveConnections - 1 do ServerSocket1. Connections i. SendText ( str ); //Sent end;. Add the code below to the event of.

Procedure TForm1. ServerSocket1ClientRead (Sender: TObject; Socket: TCustomWinSocket ); Begin //Read the message received from the client and add it to the memo text // The client identifier appears in front of the message Memo1. Text: =Memo1. Text + 'Client' + IntToStr (Socket. SocketHandle ) + ':' +Socket. ReceiveText + #13 #10; end;. In Client.pas.

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Add to the TForm2 class a private variable, Str, of type String, in which to save the messages received or sent by the client. Add the code below to the event of the Connect button. Procedure TForm2. ClientSocket1Disconnect (Sender: TObject; Socket: TCustomWinSocket ); begin Memo1. Text: =Memo1.

Text + 'Disconnect' + #13 #10; Socket. SendText ( str ); //Send the “Disconnected” message to the server //str is set to “Disconnected” when the Disconnect button is pressed //A client cannot send messages if it is not connected to a server Button1. Enabled: = False; Edit1. Enabled: = False; Button2.

Caption: = 'Connect'; end;. Add the code below to the event of. Procedure TForm1. ClientSocket1Read (Sender: TObject; Socket: TCustomWinSocket ); begin //Reads and displays the message received from the server; Memo1. Text: =Memo1. Text + 'Server: ' +Socket. ReceiveText + #13 #10; end; To test the example:.

In the Project Manager, right-click Server.exe and then press Run. Right-click Client.exe and then Run without debugging. Start the Server by pressing the Start button from the server form. Connect the Client by pressing the Connect button from the client form. Start sending messages from server to client, and from client to server. Uses. See Also.