UnityEditor.ProjectWindowUtil.IsFavoritesItem C# (CSharp) Method

        internal static bool IsFavoritesItem(int instanceID)
        {
            return (instanceID >= k_FavoritesStartInstanceID);
        }

        internal static void StartDrag(int draggedInstanceID, List <int> selectedInstanceIDs)
        {
            DragAndDrop.PrepareStartDrag();
            string title = "";

            if (ProjectWindowUtil.IsFavoritesItem(draggedInstanceID))
            {
                DragAndDrop.SetGenericData(ProjectWindowUtil.k_DraggingFavoriteGenericData, draggedInstanceID);
                DragAndDrop.objectReferences = new UnityEngine.Object[0];
            }
            else
            {
                bool flag = ProjectWindowUtil.IsFolder(draggedInstanceID);
                DragAndDrop.objectReferences = ProjectWindowUtil.GetDragAndDropObjects(draggedInstanceID, selectedInstanceIDs);
                DragAndDrop.SetGenericData(ProjectWindowUtil.k_IsFolderGenericData, (!flag) ? "" : "isFolder");
                string[] dragAndDropPaths = ProjectWindowUtil.GetDragAndDropPaths(draggedInstanceID, selectedInstanceIDs);
                if (dragAndDropPaths.Length > 0)
                {
                    DragAndDrop.paths = dragAndDropPaths;
                }
                if (DragAndDrop.objectReferences.Length > 1)
                {
                    title = "<Multiple>";
                }
                else
                {
                    title = ObjectNames.GetDragAndDropTitle(InternalEditorUtility.GetObjectFromInstanceID(draggedInstanceID));
                }
            }
            DragAndDrop.StartDrag(title);
        }