EmptyFileControlManagerIsPreviewInProgress - метод

public bool IsPreviewInProgress(
	bool childrenOnly = false
)

Public Function IsPreviewInProgress ( 
	Optional childrenOnly As Boolean = false
) As Boolean

public:
virtual bool IsPreviewInProgress(
	bool childrenOnly = false
) sealed

abstract IsPreviewInProgress : 
        ?childrenOnly : bool 
(* Defaults:
        let _childrenOnly = defaultArg childrenOnly false
*)
-> bool 
override IsPreviewInProgress : 
        ?childrenOnly : bool 
(* Defaults:
        let _childrenOnly = defaultArg childrenOnly false
*)
-> bool