bool HandleViewportClick ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FEditorViewportClient](API\Editor\UnrealEd\FEditorViewportClient) > & InViewportClient, class [FSceneView](API\Runtime\Engine\FSceneView) & InView, class [HHitProxy](API\Runtime\Engine\HHitProxy) * InHitProxy, [FKey](API\Runtime\InputCore\FKey) InKey, EInputEvent InEvent, uint32 InHitX, uint32 InHitY )