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Unreal Engine C++ API Reference > Editor > UnrealEd > FDragTool
- FDragTool::StartDrag()
- FDragTool_Measure::StartDrag()
- FDragTool_ViewportChange::StartDrag()
- FDragTool_ActorBoxSelect::StartDrag()
- FDragTool_ActorFrustumSelect::StartDrag()
References
| Module | UnrealEd |
| Header | /Engine/Source/Editor/UnrealEd/Public/EditorDragTools.h |
| Include | #include "EditorDragTools.h" |
| Source | /Engine/Source/Editor/UnrealEd/Private/EditorDragTools.cpp |
virtual void StartDrag
&40;
FEditorViewportClient &42; InViewportClient,
const FVector & InStartWorld,
const FVector2D & InStartScreen
&41;
Remarks
Starts a mouse drag behavior. The start location is snapped to the editor constraints if bUseSnapping is true.
Parameters
| Name | Description |
|---|---|
| InViewportClient | The viewport client in which the drag event occurred. |
| InStart | Where the mouse was when the drag started. |