FUVEditor2DViewportClient ( [FEditorModeTools](API\Editor\UnrealEd\FEditorModeTools) * InModeTools, [FPreviewScene](API\Runtime\Engine\FPreviewScene) * InPreviewScene, const [TWeakPtr](API\Runtime\Core\Templates\TWeakPtr)< [SEditorViewport](API\Editor\UnrealEd\SEditorViewport) > & InEditorViewportWidget, [UUVToolViewportButtonsAPI](API\Plugins\UVEditorTools\ContextObjects\UUVToolViewportButtonsAPI) * ViewportButtonsAPI, [UUVTool2DViewportAPI](API\Plugins\UVEditorTools\ContextObjects\UUVTool2DViewportAPI) * UVTool2DViewportAPI )