FastReport_2022_VCL/Source/frxOLERTTI.pas
2024-01-01 16:13:08 +01:00

83 lines
2.1 KiB
ObjectPascal

{******************************************}
{ }
{ FastReport VCL }
{ OLE RTTI }
{ }
{ Copyright (c) 1998-2021 }
{ by Fast Reports Inc. }
{ }
{******************************************}
unit frxOLERTTI;
interface
{$I frx.inc}
implementation
uses
Windows, Classes, Types, SysUtils, Forms, fs_iinterpreter, frxOLE, frxClassRTTI, Variants, OLECtnrs;
type
TFunctions = class(TfsRTTIModule)
private
function CallMethod(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
function GetProp(Instance: TObject; ClassType: TClass;
const PropName: String): Variant;
public
constructor Create(AScript: TfsScript); override;
end;
{ TFunctions }
constructor TFunctions.Create(AScript: TfsScript);
begin
inherited Create(AScript);
with AScript do
begin
AddEnum('TfrxSizeMode', 'fsmClip, fsmScale');
with AddClass(TOLEContainer, 'TOLEContainer') do
AddMethod('procedure CreateObjectFromFile(const Filename: String; Iconic: Boolean)', CallMethod);
with AddClass(TfrxOLEView, 'TfrxView') do
AddProperty('OleContainer', 'TOleContainer', GetProp, nil);
end;
end;
function TFunctions.GetProp(Instance: TObject; ClassType: TClass;
const PropName: String): Variant;
begin
Result := 0;
if ClassType = TfrxOLEView then
begin
if PropName = 'OLECONTAINER' then
Result := frxInteger(TfrxOLEView(Instance).OleContainer)
end
end;
function TFunctions.CallMethod(Instance: TObject; ClassType: TClass;
const MethodName: String; Caller: TfsMethodHelper): Variant;
begin
Result := 0;
if ClassType = TOLEContainer then
begin
if MethodName = 'CREATEOBJECTFROMFILE' then
TOleContainer(Instance).CreateObjectFromFile(Caller.Params[0], Caller.Params[1]);
end
end;
initialization
fsRTTIModules.Add(TFunctions);
finalization
if fsRTTIModules <> nil then
fsRTTIModules.Remove(TFunctions);
end.