摘要:
问题来源如下:有一个EXE和两个DLL,用到同一个公共单元:unit UnitBpl;interface uses Classes;type TBaseClass= class of TBase; TBase=class(TPersistent) public procedure show;virtual; end;implementation{ TBase }procedure TBase.show;beginend;end.在DLL_1中:Type TMy1=class(TBase) public procedure Show;override; end;... 阅读全文