public virtual void Lock(
	long position,
	long length
)

Public Overridable Sub Lock ( 
	position As Long,
	length As Long
)

public:
virtual void Lock(
	long long position, 
	long long length
)

abstract Lock : 
        position : int64 * 
        length : int64 -> unit 
override Lock : 
        position : int64 * 
        length : int64 -> unit