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fengxiaoxiao
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TColumn = class(TCollectionItem)
private
...
FTitle: TColumnTitle;
...
end;
TColumnTitle = class(TPersistent)
private
...
FColumn: TColumn;
...
end;
TColumn中定义了TColumnTitle,而TColumnTitle中又定义了TColumn.这样怎麽能行呢?
private
...
FTitle: TColumnTitle;
...
end;
TColumnTitle = class(TPersistent)
private
...
FColumn: TColumn;
...
end;
TColumn中定义了TColumnTitle,而TColumnTitle中又定义了TColumn.这样怎麽能行呢?