使用C#获取积压级别的工作项类型(TFS2017)

using Microsoft.TeamFoundation.Client;
using Microsoft.TeamFoundation.WorkItemTracking.Client;

public class TFSHelper
{
    private TfsTeamProjectCollection _tfs;
    private WorkItemStore _workItemStore;

    public TFSHelper(string tfsUrl)
    {
        _tfs = new TfsTeamProjectCollection(new Uri(tfsUrl));
        _workItemStore = _tfs.GetService<WorkItemStore>();
    }

    public void GetBacklogLevel()
    {
        Project teamProject = _workItemStore.Projects["TeamProjectName"];
        WorkItemTypeCollection workItemTypes = teamProject.WorkItemTypes;

        foreach (WorkItemType workItemType in workItemTypes)
        {
            if (workItemType.Name == "Bug" || workItemType.Name == "Task" || workItemType.Name == "User Story")
            {
                // 获取积压级别
                string backlogLevel = workItemType.FieldDefinitions["Backlog Priority"].AllowedValues.ToString();
                Console.WriteLine("工作项类型: " + workItemType.Name);
                Console.WriteLine("积压级别: " + backlogLevel);
            }
        }
    }
}