UDragDropOperation | Unreal Engine 5.7 Documentation

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


Name	UDragDropOperation
Type	class
Header File	/Engine/Source/Runtime/UMG/Public/Blueprint/DragDropOperation.h
Include Path	#include "Blueprint/DragDropOperation.h"

Syntax

UCLASS (BlueprintType, Blueprintable, Meta=(DontUseGenericSpawnObject="True"), MinimalAPI)  
class UDragDropOperation : public UObject

Name	Remarks	Include Path	Unreal Specifiers
UDragDropOperation ( const FObjectInitializer& ObjectInitializer )		Blueprint/DragDropOperation.h

Name	Type	Remarks	Include Path	Unreal Specifiers
DefaultDragVisual	TObjectPtr< class UWidget >	The Drag Visual is the widget to display when dragging the item.	Blueprint/DragDropOperation.h	EditAnywhere BlueprintReadOnly Category="Drag and Drop" Meta=(ExposeOnSpawn="true", DisplayName="Drag Visual")
Offset	FVector2D	A percentage offset (-1..+1) from the Pivot location, the percentage is of the desired size of the dragged visual.	Blueprint/DragDropOperation.h	EditAnywhere BlueprintReadWrite Category="Drag and Drop" AdvancedDisplay Meta=(ExposeOnSpawn="true")
OnDragCancelled	FOnDragDropMulticast		Blueprint/DragDropOperation.h	BlueprintAssignable
OnDragged	FOnDragDropMulticast		Blueprint/DragDropOperation.h	BlueprintAssignable
OnDrop	FOnDragDropMulticast		Blueprint/DragDropOperation.h	BlueprintAssignable
Payload	TObjectPtr< UObject >	The payload of the drag operation.	Blueprint/DragDropOperation.h	EditAnywhere BlueprintReadWrite Category="Drag and Drop" Meta=(ExposeOnSpawn="true")
Pivot	EDragPivot	Controls where the drag widget visual will appear when dragged relative to the pointer performing the drag operation.	Blueprint/DragDropOperation.h	EditAnywhere BlueprintReadWrite Category="Drag and Drop" Meta=(ExposeOnSpawn="true")
Tag	FString	A simple string tag you can optionally use to provide extra metadata about the operation.	Blueprint/DragDropOperation.h	EditAnywhere BlueprintReadWrite Category="Drag and Drop" Meta=(ExposeOnSpawn="true")

Name	Include Path	Unreal Specifiers
void DragCancelled ( const FPointerEvent& PointerEvent )	Blueprint/DragDropOperation.h	BlueprintNativeEvent Category="Drag and Drop"
void Dragged ( const FPointerEvent& PointerEvent )	Blueprint/DragDropOperation.h	BlueprintNativeEvent Category="Drag and Drop"
void Drop ( const FPointerEvent& PointerEvent )	Blueprint/DragDropOperation.h	BlueprintNativeEvent Category="Drag and Drop"

Name	Remarks	Include Path	Unreal Specifiers
static EUMGItemDropZone ConvertSlateDropZoneToUMG ( TOptional< EItemDropZone > DropZone )		Blueprint/DragDropOperation.h