FPropertyChangedEvent | Unreal Engine 5.1 Documentation

Inheritance Hierarchy


Module	CoreUObject
Header	/Engine/Source/Runtime/CoreUObject/Public/UObject/UnrealType.h
Include	#include "UObject/UnrealType.h"

struct FPropertyChangedEvent

Structure for passing pre and post edit change events

Type	Name	Description
EPropertyChangeType::Type	ChangeType	The kind of change event that occurred.
FProperty *	MemberProperty	The member property of the object that PostEditChange is being called on.
int32	ObjectIteratorIndex	Used by the param system to say which object is receiving the event in the case of multi-select.
FProperty *	Property	The actual property that changed

	Type	Name	Description
		FPropertyChangedEvent ( FProperty* InProperty, EPropertyChangeType::Type InChangeType, TArrayView< const UObject*const > InTopLevelObjects )

Type	Name	Description
int32	GetArrayIndex ( const FString& InName )	Gets the Array Index of the "current object" based on a particular name InName - Name of the property to find the array index for
FName	GetMemberPropertyName ()	Simple utility to get the name of the object's member property and takes care of the possible null property.
int32	GetNumObjectsBeingEdited ()
const UObject *	GetObjectBeingEdited ( int32 Index )	Gets an object being edited by this change event. Multiple objects could be edited at once
FName	GetPropertyName ()	Simple utility to get the name of the property and takes care of the possible null property.
bool	HasArchetypeInstanceChanged ( UObject* InInstance )	Test whether an archetype instance was modified.
void	SetActiveMemberProperty ( FProperty* InActiveMemberProperty )
void	SetArrayIndexPerObject ( TArrayView< const TMap< FString, int32 >> InArrayIndices )	Saves off map of array indices per object being set.
void	SetInstancesChanged ( T&& InInstancesChanged )	Specify the set of archetype instances that were modified by the property change.