serverrdm.pas

《delphi深度编程及其项目开发》

unit ServerRDM;

{$WARN SYMBOL_PLATFORM OFF}

interface

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

type
  TCorrectServer = class(TRemoteDataModule, ICorrectServer)
    Table1: TTable;
    DataSetProvider1: TDataSetProvider;
  private
    { Private declarations }
  protected
    class procedure UpdateRegistry(Register: Boolean; const ClassID, ProgID: string); override;
    procedure GetServerName(var vName: OleVariant); safecall;
    procedure GetSystemTime(var vTime: OleVariant); safecall;
  public
    { Public declarations }
  end;

implementation

{$R *.DFM}

class procedure TCorrectServer.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;

//得到服务器的名称
procedure TCorrectServer.GetServerName(var vName: OleVariant);
var
  aComputerName : PChar;
  aSize :cardinal;
begin
  GetComputerName(aComputerName,aSize);
  vName := string(aComputerName);
end;

//得到服务器的时间
procedure TCorrectServer.GetSystemTime(var vTime: OleVariant);
begin
  vTime := DateToStr(Now);
end;

initialization
  TComponentFactory.Create(ComServer, TCorrectServer,
    Class_CorrectServer, ciMultiInstance, tmApartment);
end.