public virtual bool IsValidFilterFunction(
	KaxFilterFunction filterFunction
)

Public Overridable Function IsValidFilterFunction ( 
	filterFunction As KaxFilterFunction
) As Boolean

public:
virtual bool IsValidFilterFunction(
	KaxFilterFunction filterFunction
)

abstract IsValidFilterFunction : 
        filterFunction : KaxFilterFunction -> bool 
override IsValidFilterFunction : 
        filterFunction : KaxFilterFunction -> bool