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> Unreal Engine API Reference > Plugins > NiagaraEditor > UEdGraphSchema_NiagaraSystemOverview > UEdGraphSchema_NiagaraSystemOverview::ShouldAlwaysPurgeOnModification

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UEdGraphSchema_NiagaraSystemOverview::ShouldAlwaysPurgeOnModification

When a node is removed, this method determines whether we should remove it immediately or use the old (slower) code path that results in all node being recreated:

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Override Hierarchy

UEdGraphSchema::ShouldAlwaysPurgeOnModification()

UEdGraphSchema_NiagaraSystemOverview::ShouldAlwaysPurgeOnModification()

References

Module	NiagaraEditor
Header	/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/EdGraphSchema_NiagaraSystemOverview.h
Include	#include "EdGraphSchema_NiagaraSystemOverview.h"

Syntax

virtual bool ShouldAlwaysPurgeOnModification() const

Remarks

When a node is removed, this method determines whether we should remove it immediately or use the old (slower) code path that results in all node being recreated: