티스토리 뷰
type
TDatabase = class (TCollectionItem)
private
FDatabaseName: String;
published
property DatabaseName: String read FDatabaseName write FDatabaseName;
end;
TDatabaseList = class (TCollection)
private
function GetItem(Index: Integer): TDatabase;
public
function Add: TDatabase;
property Item[Index: Integer]: TDatabase read GetItem;
end;
{ TDatabaseList }
function TDatabaseList.Add: TDatabase;
begin
result := inherited Add as TDatabase;
end;
function TDatabaseList.GetItem(Index: Integer): TDatabase;
begin
result := inherited Items[Index] as TDatabase;
end;
{ TForm1 }
procedure TForm1.Button1Click(Sender: TObject);
var
DatabaseList : TDatabaseList;
aDatabase : TDatabase;
i : Integer;
begin
DatabaseList := TDatabaseList.Create(TDatabase);
aDatabase := DatabaseList.Add; // create one hair
aDatabase.DatabaseName := 'Oracle';
aDatabase := DatabaseList.Add; // create another hair
aDatabase.DatabaseName := 'MsSQL';
for i :=0 to DatabaseList.Count-1 do begin
Memo1.Lines.Add(DatabaseList.Item[i].DatabaseName);
end
end;
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