In these cases screen readers are not aware of the changes taking place. Avoid directly modifying the screen. These APIs should be avoided. If your application uses any of the non-standard techniques for performance, you should also use conventional methods when a screen reader is running. Testing Test the software to ensure that it complies with accessibility requirements.
Several techniques are available to verify that object information is accessible.
Run Inspect Objects . As you position the mouse over objects, verify that the name, and value fields are available. Run the software with a screen reader and verify that all text in client windows can be spoken.