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> Unreal Engine API Reference > Editor > UnrealEd > Editor > UEditorEngine > UEditorEngine::WarnAboutHiddenLevels

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UEditorEngine::WarnAboutHiddenLevels

Warns the user of any hidden levels, and prompts them with a Yes/No dialog for whether they wish to continue with the operation.

Windows

MacOS

Linux

References

Module	UnrealEd
Header	/Engine/Source/Editor/UnrealEd/Classes/Editor/EditorEngine.h
Include	#include "Editor/EditorEngine.h"
Source	/Engine/Source/Editor/UnrealEd/Private/EditorEngine.cpp

Syntax

bool WarnAboutHiddenLevels
(
UWorld * InWorld,
bool bIncludePersistentLvl
) const

Remarks

Warns the user of any hidden levels, and prompts them with a Yes/No dialog for whether they wish to continue with the operation. No dialog is presented if all levels are visible. The return value is true if no levels are hidden or the user selects "Yes", or false if the user selects "No".

Returns

false if the user selects "No", true otherwise.

Parameters

Parameter	Description
InWorld	World context
bIncludePersistentLvl	If true, the persistent level will also be checked for visibility

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