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

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UEditorEngine::OnSwitchWorldForSlatePieWindow

Hack to switch worlds for the PIE window before and after a slate event

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/PlayLevel.cpp

Syntax

int32 OnSwitchWorldForSlatePieWindow
(
int32 WorldID,
int32 WorldPIEInstance
)

Remarks

Hack to switch worlds for the PIE window before and after a slate event

Returns

The ID of the world to restore later or -1 if no world to restore

Parameters

Parameter	Description
WorldID	The id of the world to switch to where -1 is unknown, 0 is editor, and 1 is PIE
PIEInstance	When switching to a PIE instance, this is the specific client/server instance to use

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