ProxyStreamSeek - метод

public override long Seek(
	long offset,
	SeekOrigin origin
)

Public Overrides Function Seek ( 
	offset As Long,
	origin As SeekOrigin
) As Long

public:
virtual long long Seek(
	long long offset, 
	SeekOrigin origin
) override

abstract Seek : 
        offset : int64 * 
        origin : SeekOrigin -> int64 
override Seek : 
        offset : int64 * 
        origin : SeekOrigin -> int64