Hi ! In VB the term Interface and the Interfaces reffered say IDispatch, IUnknown are explained conceptually. In reality i.e., in coding concepts where does this Interface exists? Interfaces are used in COM, while using this COM objects (ACTX EXE, DLL,CTRL) class modules need to be declared and reffered. Though the Interface concepts says " Interface are not classes, they cannot be instantiated ..." I have this doubt "where do they exist in VB ??? where are the methods used in Interface come from ?? is it the same as class modules methods ?? If not then what methods would QueryInterface return ?? "Please Clear my doubt anyone !

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