Make sure all controls and menu items have underlined access keys. Make sure the tool displays a proper description that matches standard windows and controls. Expose the Keyboard Focus Location Use the Active Accessibility SDK's Magnifier accessory while working with the keyboard exclusively. Make certain the work area appears magnified in the Magnifier window. Test for Compatibility With Accessibility Aids Operate the application configured with available accessibility aids to determine if they work properly with the application.
Many utilities are available at no charge or in trial versions.
See the catalog of accessibility aids . Test with at least three different accessibility aids that might be used with your application. Test With Larger System Fonts and Custom Font Sizes Increase the size of the system font by using the Display section of Control Panel. Make sure the applications display correctly despite the changes. Make sure that the application appearance remains consistent and that none of the UI elements appear disproportionately large or small.