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> Unreal Engine API Reference > Editor > UMGEditor > FDesignerExtension

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FDesignerExtension

The Designer extension allows developers to provide additional widgets and custom painting to the designer surface for specific widgets.

Windows

MacOS

Linux

Inheritance Hierarchy

TSharedFromThis

FDesignerExtension

References

Module	UMGEditor
Header	/Engine/Source/Editor/UMGEditor/Public/DesignerExtension.h
Include	#include "DesignerExtension.h"

Syntax

class FDesignerExtension : public TSharedFromThis< FDesignerExtension >

Remarks

The Designer extension allows developers to provide additional widgets and custom painting to the designer surface for specific widgets. Allowing for a more customized and specific editors for the different widgets.

Variables

		Name	Description
	UWidgetBlueprin...	Blueprint
	IUMGDesigner &#...	Designer
	FName	ExtensionId
	TArray< FWidget...	SelectionCache

Constructors

	Name	Description
	FDesignerExtension()	Constructor

Destructors

	Name	Description
	~FDesignerExtension()

Functions

	Name	Description
void	BeginTransaction ( const FText& SessionName )
bool	CanExtendSelection ( const TArray< FWidgetReference >& ... )	Returns true if the designer extension can extend the current selection.
void	EndTransaction()
void	ExtendSelection ( const TArray< FWidgetReference >& ..., TArray< TSharedRef< FDesignerSurfac... )	Called every time a element the designer can extend is selected.
FName	GetExtensionId()	Gets the ID identifying this extension.
void	Initialize ( IUMGDesigner* InDesigner, UWidgetBlueprint* InBlueprint )	Initializes the designer extension, this is called the first time a designer extension is registered
void	Paint ( const TSet< FWidgetReference >& Se..., const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawEl..., int32 LayerId )	Called to paint the extension.
void	Tick ( const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime )	Called each frames to tick the extension.

Operators

		Name	Description
	bool	operator== ( const FDesignerExtension& Other )

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