public virtual bool IsValidGroupOperation(
	KaxFilterGroupOperation groupOperation
)

Public Overridable Function IsValidGroupOperation ( 
	groupOperation As KaxFilterGroupOperation
) As Boolean

public:
virtual bool IsValidGroupOperation(
	KaxFilterGroupOperation groupOperation
)

abstract IsValidGroupOperation : 
        groupOperation : KaxFilterGroupOperation -> bool 
override IsValidGroupOperation : 
        groupOperation : KaxFilterGroupOperation -> bool