appserverdm.pas

《Delphi 7经典问题解析》源代码 第一到七章 基础篇源程序 应用篇源程序

unit AppServerDM;

{$WARN SYMBOL_PLATFORM OFF}

interface

uses
  Windows, Messages, SysUtils, Classes, ComServ, ComObj, VCLCom, DataBkr,
  DBClient, AppServer_TLB, StdVcl, DB, DBTables, Provider;

type
  TExamAppServer = class(TRemoteDataModule, IExamAppServer)
    Database1: TDatabase;
    Query1: TQuery;
    DataSetProvider1: TDataSetProvider;
  private
    { Private declarations }
  protected
    class procedure UpdateRegistry(Register: Boolean; const ClassID, ProgID: string); override;
  public
    { Public declarations }
  end;

implementation

{$R *.DFM}

class procedure TExamAppServer.UpdateRegistry(Register: Boolean; const ClassID, ProgID: string);
begin
  if Register then
  begin
    inherited UpdateRegistry(Register, ClassID, ProgID);
    EnableSocketTransport(ClassID);
    EnableWebTransport(ClassID);
  end else
  begin
    DisableSocketTransport(ClassID);
    DisableWebTransport(ClassID);
    inherited UpdateRegistry(Register, ClassID, ProgID);
  end;
end;

initialization
  TComponentFactory.Create(ComServer, TExamAppServer,
    Class_ExamAppServer, ciMultiInstance, tmApartment);
end.