private void next() { var name = tlTaskType.FocusedNode.GetDisplayText("Name"); if (name.Equals("设计任务")) { var projecttask = new CreateProjectTask(); projecttask.ShowDialog(); } else if (name.Equals("办公任务")) { var officetask = new CreateOfficeTask(); officetask.ShowDialog(); } else if (name.Equals("工艺任务")) { var technologytask = new CreateTechnologyTask(); technologytask.ShowDialog(); } }