You may be trying to indent or outdent assignments, not tasks The Resource Usage and Task Usage views display task and resource assignments with indentations similar to those of subtasks.

• 可能您在尝试降级或升级工作分配而不是任务“资源使用状况”和“任务分配状况”视图以类似于子任务的降级方式显示任务和资源分配。