Opt out of the legacy accessibility behaviors by adding the Switch.UseLegacyAccessibilityFeatures AppContext switch to the section in the file and setting it to false, as the following example shows.Īpplications that target the.

Install Visual Studio 2017 15.3 or later, which supports the new accessibility features with the following AppContext Switch by default.The web application can benefit from these changes in either of the following ways:

In order for the Visual Studio Designer to benefit from these changes, it must run on the.

Changes to improve the keyboard navigation experiences for controls, like the Fields dialog in the Edit Pager Fields wizard of the DataPager control, the Configure ObjectContext dialog, or the Configure Data Selection dialog of the Configure Data Source wizard.

Changes to improve the display in High Contrast mode, like the Data Pager Fields Editor.

Changes to implement missing UI accessibility patterns in controls, like the Add Field dialog in the Details View wizard, or the Configure ListView dialog of the ListView wizard.

NET Framework 4.7.1, ASP.NET has improved how ASP.NET Web Controls work with accessibility technology in Visual Studio to better support ASP.NET customers. NET Framework 4.5.1 to 4.8, review the following topics for application compatibility issues that may affect your app: ASP.NET ASP.NET Accessibility Improvements in.

.net 4.5.1 ocx files