unitlogin.pas

如何在Delphi下实现画面捕捉、传输、以及文件的传输原理

unit UnitLogin;

interface

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

type
  TFmLogin = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    EdtQQ: TEdit;
    EdtKey: TEdit;
    BtnLogin: TButton;
    BtnCancel: TButton;
    Image1: TImage;
    procedure BtnLoginClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FmLogin: TFmLogin;

implementation

uses UnitThread;

{$R *.dfm}

procedure TFmLogin.BtnLoginClick(Sender: TObject);
var
	LoginCB : TCommBlock;
begin
        LoginCB.StrKind := 'LOGIN';
        LoginCB.SendName := EdtQQ.Text;//local qq to indentify the host 
        LoginCB.ToName := '';
        LoginCB.Msg := EdtKey.Text;
        try
        	FmThread.IdTCPClient.WriteBuffer(LoginCB,Sizeof(LoginCB),True);
        except
        	on e : exception do MessageDlg('Conntion error' + #13, mtError, [mbOk], 0);
        end;
end;

end.