NavigationListTTryNavigateBackward(T, FuncT, Boolean, Boolean) Method

public bool TryNavigateBackward(
	out T point,
	Func<T, bool>? IsStillValidEvaluation,
	bool removeInvalidNavigationPoints
)

Parameters

point  T

On success, returns a previous navigation point, which is valid.

IsStillValidEvaluation  FuncT, Boolean

Evaluation function, which tests the navigation points in the list for validity.

removeInvalidNavigationPoints  Boolean

If set to true, invalid navigation points encountered during the backward movement in the list would be removed from the navigation list.

Return Value

Reference