Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

UDragDropOperation

This class is the base drag drop operation for UMG, extend it to add additional data and add new functionality.

Choose your operating system:

Windows

macOS

Linux

Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UDragDropOperation

References

Module	UMG
Header	/Engine/Source/Runtime/UMG/Public/Blueprint/DragDropOperation.h
Include	#include "Blueprint/DragDropOperation.h"

Syntax

class UDragDropOperation : public UObject

Remarks

This class is the base drag drop operation for UMG, extend it to add additional data and add new functionality.

Variables

	Name	Description
TObjectPtr< cla...	DefaultDragVisual	The Drag Visual is the widget to display when dragging the item.
FVector2D	Offset	A percentage offset (-1..+1) from the Pivot location, the percentage is of the desired size of the dragged visual.
FOnDragDropMult...	OnDragCancelled
FOnDragDropMult...	OnDragged
FOnDragDropMult...	OnDrop
TObjectPtr< UOb...	Payload	The payload of the drag operation.
EDragPivot	Pivot	Controls where the drag widget visual will appear when dragged relative to the pointer performing the drag operation.
FString	Tag	A simple string tag you can optionally use to provide extra metadata about the operation.

Constructors

	Name	Description
	UDragDropOperation ( const FObjectInitializer& ObjectIn... )

Functions

		Name	Description
	void	DragCancelled ( const FPointerEvent& PointerEvent )
	void	Dragged ( const FPointerEvent& PointerEvent )
	void	Drop ( const FPointerEvent& PointerEvent )