public virtual void Collapse(
	bool toEnd = true
)

Public Overridable Sub Collapse ( 
	Optional toEnd As Boolean = true
)

public:
virtual void Collapse(
	bool toEnd = true
)

abstract Collapse : 
        ?toEnd : bool 
(* Defaults:
        let _toEnd = defaultArg toEnd true
*)
-> unit 
override Collapse : 
        ?toEnd : bool 
(* Defaults:
        let _toEnd = defaultArg toEnd true
*)
-> unit