[求助]如何把一个控件事件声明成虚方法？
class TForm1 : public TForm<BR>{<BR>__published: // IDE-managed Components<BR> TButton *Button1;<BR> <FONT color=#f70909>virtual void __fastcall Button1Click(TObject *Sender);</FONT><BR>private: // User declarations<BR>public: // User declarations<BR> __fastcall TForm1(TComponent* Owner);<BR>};<BR>我想把某个控件的事件变成虚方法，以便日后继承前覆盖。<BR>但是他却报错。不知大家是怎么实现的？请教中。页:
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