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* Added IInterface to TComponent

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This commit is contained in:
michael 2018-06-06 13:43:06 +00:00
parent 17ff9cfaf5
commit 355818cd00
1 changed files with 24 additions and 1 deletions
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25
packages/rtl/classes.pas
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@ -516,7 +516,7 @@ type
property Current: TComponent read GetCurrent; property Current: TComponent read GetCurrent;
end; end;
TComponent = class(TPersistent) TComponent = class(TPersistent, IInterface)
private private
FOwner: TComponent; FOwner: TComponent;
FName: TComponentName; FName: TComponentName;
@ -555,12 +555,16 @@ type
procedure ValidateRename(AComponent: TComponent; const CurName, NewName: string); virtual; procedure ValidateRename(AComponent: TComponent; const CurName, NewName: string); virtual;
procedure ValidateContainer(AComponent: TComponent); virtual; procedure ValidateContainer(AComponent: TComponent); virtual;
procedure ValidateInsert(AComponent: TComponent); virtual; procedure ValidateInsert(AComponent: TComponent); virtual;
protected
function _AddRef: Integer;
function _Release: Integer;
public public
constructor Create(AOwner: TComponent); virtual; reintroduce; constructor Create(AOwner: TComponent); virtual; reintroduce;
destructor Destroy; override; destructor Destroy; override;
procedure BeforeDestruction; override; procedure BeforeDestruction; override;
procedure DestroyComponents; procedure DestroyComponents;
procedure Destroying; procedure Destroying;
function QueryInterface(const IID: TGUID; out Obj): integer; virtual;
// function ExecuteAction(Action: TBasicAction): Boolean; virtual; // function ExecuteAction(Action: TBasicAction): Boolean; virtual;
function FindComponent(const AName: string): TComponent; function FindComponent(const AName: string): TComponent;
procedure FreeNotification(AComponent: TComponent); procedure FreeNotification(AComponent: TComponent);
@ -3528,6 +3532,16 @@ begin
if AComponent=nil then ; if AComponent=nil then ;
end; end;
function TComponent._AddRef: Integer;
begin
Result:=-1;
end;
function TComponent._Release: Integer;
begin
Result:=-1;
end;
Constructor TComponent.Create(AOwner: TComponent); Constructor TComponent.Create(AOwner: TComponent);
@ -3601,6 +3615,15 @@ begin
TComponent(FComponents.Items[Runner]).Destroying; TComponent(FComponents.Items[Runner]).Destroying;
end; end;
function TComponent.QueryInterface(const IID: TGUID; out Obj): integer;
begin
if GetInterface(IID, Obj) then
Result := S_OK
else
Result := E_NOINTERFACE;
end;
Function TComponent.FindComponent(const AName: string): TComponent; Function TComponent.FindComponent(const AName: string): TComponent;