代码分析避免过度复杂-只需设置命令

Question

我有一个带有16个按钮的WPF表单。当我的视图模型初始化时，我需要将全部16个设置为RelayCommand对象。这是我的Initialize（）方法所做的全部，但是却导致代码分析错误CA1502：AvoidExcessiveComplexity。

这是抑制CA警告的一个好案例，还是有一种更优雅的方式来设置这些命令而不引起CA违规？

[SuppressMessage("Microsoft.Maintainability", "CA1502:AvoidExcessiveComplexity", Justification = "Simply setting the commands")]
private void Initialize()
{
    this.AddApplicationCommand      = new RelayCommand(_ => AddApplication());
    this.DeleteApplicationCommand   = new RelayCommand(_ => DeleteApplication(), _ => ApplicationIsSelected);
    this.RefreshApplicationsCommand = new RelayCommand(_ => RefreshApplications());
    this.SaveApplicationCommand     = new RelayCommand(_ => SaveApplication(), _ => ApplicationIsSelected);

    this.ForceInstallationCommand       = new RelayCommand(_ => ForceInstallation(), _ => ApplicationIsSelected);
    this.DeleteForceInstallationCommand = new RelayCommand(_ => DeleteForceInstallation(), _ => ApplicationIsSelectedAndForceExists());

    this.AddTaskCommand            = new RelayCommand(_ => AddTask(), _ => ApplicationIsSelected);
    this.EditTaskCommand           = new RelayCommand(_ => EditTask(), _ => TaskIsSelected());
    this.DeleteTaskCommand         = new RelayCommand(_ => DeleteTask(), _ => TaskIsSelected());
    this.ImportTasksCommand        = new RelayCommand(_ => ImportTasks(), _ => ApplicationIsSelected);
    this.ExportTasksCommand        = new RelayCommand(_ => ExportTasks(), _ => TaskIsSelected());
    this.ImportLegacyTasksCommand  = new RelayCommand(_ => ImportLegacyTasks(), _ => ApplicationIsSelected);            
    this.MoveTaskUpCommand         = new RelayCommand(_ => MoveRowUp(), _ => TaskIsSelected());
    this.MoveTaskDownCommand       = new RelayCommand(_ => MoveRowDown(), _ => TaskIsSelected());

    this.AddVariableGroupCommand    = new RelayCommand(_ => AddVariableGroup());
    this.RemoveVariableGroupCommand = new RelayCommand(_ => RemoveVariableGroup(), _ => VariableGroupIsSelected());
}

Answer 1

由于使用匿名方法，这是误报。该规则不会将编译器生成的分支识别为生成的代码。请参阅https://connect.microsoft.com/VisualStudio/feedback/details/555560/method-using-many-lambda-expressions-causes-high-cyclomatic-complexity和https://connect.microsoft.com/VisualStudio/feedback /details/295703/in Correct-cyclomatic-complexity-with-lambdas现有错误报告。