testimpl.pas

来自「《Delphi开发人员指南》配书原码」· PAS 代码 · 共 68 行

unit TestImpl;

interface

uses
  ComObj, ActiveX, Srv_TLB, StdVcl;

type
  TAutoTest = class(TAutoObject, IAutoTest)
  protected
    function Get_EditText: WideString; safecall;
    function Get_ShapeColor: OLE_COLOR; safecall;
    procedure Set_EditText(const Value: WideString); safecall;
    procedure Set_ShapeColor(Value: OLE_COLOR); safecall;
    function Get_ShapeType: TxShapeType; safecall;
    procedure Set_ShapeType(Value: TxShapeType); safecall;
    procedure ShowInfo; safecall;
  end;

implementation

uses ComServ, SrvMain, TypInfo, ExtCtrls, Dialogs, SysUtils, Graphics;

function TAutoTest.Get_EditText: WideString;
begin
  Result := FrmAutoTest.Edit.Text;
end;

function TAutoTest.Get_ShapeColor: OLE_COLOR;
begin
  Result := ColorToRGB(FrmAutoTest.Shape.Brush.Color);
end;

procedure TAutoTest.Set_EditText(const Value: WideString);
begin
  FrmAutoTest.Edit.Text := Value;
end;

procedure TAutoTest.Set_ShapeColor(Value: OLE_COLOR);
begin
  FrmAutoTest.Shape.Brush.Color := Value;
end;

function TAutoTest.Get_ShapeType: TxShapeType;
begin
  Result := TxShapeType(FrmAutoTest.Shape.Shape);
end;

procedure TAutoTest.Set_ShapeType(Value: TxShapeType);
begin
  FrmAutoTest.Shape.Shape := TShapeType(Value);
end;

procedure TAutoTest.ShowInfo;
const
  SInfoStr = 'The Shape''s color is %s, and it''s shape is %s.'#13#10 +
    'The Edit''s text is "%s."';
begin
  with FrmAutoTest do
    ShowMessage(Format(SInfoStr, [ColorToString(Shape.Brush.Color),
      GetEnumName(TypeInfo(TShapeType), Ord(Shape.Shape)), Edit.Text]));
end;

initialization
  TAutoObjectFactory.Create(ComServer, TAutoTest, Class_AutoTest,
    ciMultiInstance, tmApartment);
end.