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{
This file is part of the Free Pascal run time library.
Copyright (c) 2003 by the Free Pascal development team
<What does this file>
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
Constructor TDataModule.Create(AOwner: TComponent);
begin
CreateNew(AOwner);
if (ClassType <> TDataModule) and
not (csDesigning in ComponentState) then
begin
if not InitInheritedComponent(Self, TDataModule) then
raise EStreamError.CreateFmt(SErrNoSTreaming, [ClassName]);
if OldCreateOrder then
DoCreate;
end;
end;
Constructor TDataModule.CreateNew(AOwner: TComponent);
begin
CreateNew(AOwner,0);
end;
constructor TDataModule.CreateNew(AOwner: TComponent; CreateMode: Integer);
begin
inherited Create(AOwner);
if Assigned(AddDataModule) and (CreateMode>=0) then
AddDataModule(Self);
end;
Procedure TDataModule.AfterConstruction;
begin
If not OldCreateOrder then
DoCreate;
end;
Procedure TDataModule.BeforeDestruction;
begin
Destroying;
RemoveFixupReferences(Self, '');
if not OldCreateOrder then
DoDestroy;
end;
destructor TDataModule.Destroy;
begin
if OldCreateOrder then
DoDestroy;
if Assigned(RemoveDataModule) then
RemoveDataModule(Self);
inherited Destroy;
end;
Procedure TDataModule.DoCreate;
begin
if Assigned(FOnCreate) then
try
FOnCreate(Self);
except
if not HandleCreateException then
raise;
end;
end;
Procedure TDataModule.DoDestroy;
begin
if Assigned(FOnDestroy) then
try
FOnDestroy(Self);
except
if Assigned(ApplicationHandleException) then
ApplicationHandleException(Self);
end;
end;
procedure TDataModule.DefineProperties(Filer: TFiler);
var
Ancestor : TDataModule;
HaveData : Boolean;
begin
inherited DefineProperties(Filer);
Ancestor := TDataModule(Filer.Ancestor);
HaveData:=(Ancestor=Nil) or
(FDSize.X<>Ancestor.FDSize.X) or
(FDSize.Y<>Ancestor.FDSize.Y) or
(FDPos.Y<>Ancestor.FDPos.Y) or
(FDPos.X<>Ancestor.FDPos.X);
Filer.DefineProperty('Height', @ReadH, @WriteH, HaveData);
Filer.DefineProperty('HorizontalOffset', @ReadL, @WriteL, HaveData);
Filer.DefineProperty('VerticalOffset', @ReadT,@WriteT, HaveData);
Filer.DefineProperty('Width', @ReadW, @WriteW, HaveData);
end;
procedure TDataModule.GetChildren(Proc: TGetChildProc; Root: TComponent);
var
I : Integer;
begin
inherited GetChildren(Proc, Root);
if (Root=Self) then
for I:=0 to ComponentCount-1 do
If Not Components[I].HasParent then
Proc(Components[i]);
end;
function TDataModule.HandleCreateException: Boolean;
begin
Result:=Assigned(ApplicationHandleException);
if Result then
ApplicationHandleException(Self);
end;
Procedure TDataModule.ReadState(Reader: TReader);
begin
FOldOrder := false;
inherited ReadState(Reader);
end;
Procedure TDataModule.ReadT(Reader: TReader);
begin
FDPos.Y := Reader.ReadInteger;
end;
Procedure TDataModule.WriteT(Writer: TWriter);
begin
Writer.WriteInteger(FDPos.Y);
end;
Procedure TDataModule.ReadL(Reader: TReader);
begin
FDPos.X := Reader.ReadInteger;
end;
Procedure TDataModule.WriteL(Writer: TWriter);
begin
Writer.WriteInteger(FDPos.X);
end;
Procedure TDataModule.ReadW(Reader: TReader);
begin
FDSIze.X := Reader.ReadInteger;
end;
Procedure TDataModule.WriteW(Writer: TWriter);
begin
Writer.WriteInteger(FDSIze.X);
end;
Procedure TDataModule.ReadH(Reader: TReader);
begin
FDSIze.Y := Reader.ReadInteger;
end;
Procedure TDataModule.WriteH(Writer: TWriter);
begin
Writer.WriteInteger(FDSIze.Y);
end;
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