NVDA阅读器无法在Mozilla中正确阅读

Question

下面提到的代码反映了屏幕上的``对话框''。我正在使用NVDA（2019）屏幕阅读器读取屏幕。当对话框打开时，它会读取所有列出的内容，但是我希望该屏幕阅读器在按Tab键的同时阅读一遍。我正在使用聚合物1。因此，任何人都可以帮助我，如何在mozilla firebox浏览器中逐一读取数据

    Build FAILED.

    MSBUILD : warning MSB4196: The "*.overridetasks" files could not be successfully loaded from their expected location "C:\Learn\NetCoreApplicationTestingBuild\NetCoreApplicationTestingBuild\bin\Debug\netcoreapp2.1". Default tasks will not be overridden. 
    MSBUILD : warning MSB4010: The "*.tasks" files could not be successfully loaded from their expected location "C:\Learn\NetCoreApplicationTestingBuild\NetCoreApplicationTestingBuild\bin\Debug\netcoreapp2.1". Default tasks will not be available.
    C:\Learn\NetCoreTestBuild2\NetCoreTestBuild2.sln.metaproj : error MSB4036: The "Message" task was not found. Check the following: 1.) The name of the task in the project file is the same as the name of the task class. 2.) The task class is "public" and implements the Microsoft.Build.Framework.ITask interface. 3.) The task is correctly declared with <UsingTask> in the project file, or in the *.tasks files located in the "C:\Learn\NetCoreApplicationTestingBuild\NetCoreApplicationTestingBuild\bin\Debug\netcoreapp2.1" directory.

    2 Warning(s)
    1 Error(s)