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Control of events with a virtual is invalid

Time:09-22

Defines a base class contains a TTimer control event is virtual void __fastcall tmOverTimer (TObject * Sender)

Subclasses to tmOverTimer events, subclass timeouts tmOverTimer trigger is the parent class, which explain the great god, online, etc.,,

CodePudding user response:

You are using a pointer or reference to call tmOverTimer function?
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