TInterfacedObject is a base for simple classes implementating basic IInterface. It is defined in the System.pas unit.
Questions tagged [tinterfacedobject]
9 questions
8
votes
7 answers
Reference-counting for objects
In my code I use a small data-storing class, which is created in different places. To avoid memory leaks and simplify things, I want to use reference counting, so I did
type TFileInfo = class (TInterfacedObject, IInterface)
and removed all my…
jpfollenius
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7
votes
1 answer
Why does an instance of class(TInterfacedObject, IDropTarget) not auto free?
I'm implementing my IDropTarget based on: How can I allow a form to accept file dropping without handling Windows messages?
The implementation by David works fine. however the IDropTarget (TInterfacedObject) object does not auto free, not even when…
zig
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7
votes
3 answers
How do I implement two interfaces that have methods with the same name?
I am trying to declare a custom list of interfaces from which I want to inherit in order to get list of specific interfaces (I am aware of IInterfaceList, this is just an example). I'm using Delphi 2007 so I don't have access to actual generics…
Steve Riley
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5
votes
3 answers
Why does the compiler say the implementation "differs from the previous declaration" when they look identical?
i have two units,
first one, my interface:
use personas
interface
type
Tllave = array[0..31] of byte;
Tdatos = array of byte;
ImyInterface = interface(IInterface)
function nombre : string;
function edad : integer;
procedure…
erick
- 59
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4
votes
3 answers
why aren't descendants of TInterfacedObject garbage collected?
i have a class based on TInterfacedObject. i add it to TTreeNode's Data property.
TFacilityTreeItem=class(TInterfacedObject)
private
m_guidItem:TGUID;
m_SomeOtherNode:TTreeNode;
public
end;
i create many instances of this object & had assumed…
X-Ray
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2
votes
1 answer
Is TInterfacedObject autofree thread safe in Delphi?
Is TInterfacedObject._Release and TInterfacedObject._AddRef thread safe?
I can see FRefCount is thread safe, but Destroy is not protected by locks or something else.
function TInterfacedObject._Release: Integer;
begin
Result :=…
qgi
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- 4
1
vote
2 answers
Does class(TInterfacedObject) need a destructor in Delphi?
I run in this situation where Destroy() is never called.
unit Unit2;
interface
type
// Interface
ITest = Interface(IInterface)
function IsTrue() : Boolean;
end;
TmyClass = class(TInterfacedObject, ITest)
public
// Interface…
ToKa
- 80
- 7
1
vote
0 answers
memory leak when using TInterfacedObject as Interface reference in dependent objects
Introduction
I found out my code leaks memory of an instance of a TInterfacedObject that I keep as a Interface reference. Although I reset the reference variable to nil after usage, it remains alive.
The leaked object is of class TMasterObject,…
René Hoffmann
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1
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0 answers
XE8 64 bit Debugging object derived from TInterfacedObject
Suppose I have a class TCar which supports interface ICar and is derived from TInterfacedObject.
program Project1;
{$APPTYPE CONSOLE}
{$R *.res}
uses
System.SysUtils;
type
ICar = interface
…
Vasya Ar
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