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  3. UDragDropOperation

UDragDropOperation

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

API > API/Runtime > API/Runtime/UMG > API/Runtime/UMG/Blueprint

Inheritance Hierarchy

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

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

Constructors

  Type Name Description
Public function  

UDragDropOperation ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function void

DragCancelled ( const FPointerEvent& PointerEvent
)

  
Public function void

Dragged ( const FPointerEvent& PointerEvent
)

  
Public function void

Drop ( const FPointerEvent& PointerEvent
)

  

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