private static string SafelyGetAppInstalledPath()
{
try
{
return(MsiUtilities.GetAppInstalledPath());
}
catch (InvalidOperationException e)
{
ExceptionReporter.ReportException(e);
return(null);
}
}
/// <summary>
/// Infer UIAccess state from the existing manifest files. Assume false unless proven otherwise
/// </summary>
private static bool IsUIAccessEnabled()
{
try
{
string appPath = Path.GetDirectoryName(MsiUtilities.GetAppInstalledPath());
string appManifestContents = File.ReadAllText(Path.Combine(appPath, AppManifestFile));
string enabledManifestContents = File.ReadAllText(Path.Combine(appPath, EnabledManifestFile));
return(appManifestContents == enabledManifestContents);
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception e)
{
// Report the error, assume no UIAccess
EventLogger.WriteWarningMessage("Unable to determine UIAccess status. Assuming disabled. Detail: {0}", e.ToString());
return(false);
}
#pragma warning restore CA1031 // Do not catch general exception types
}
/// <summary>
/// Update manifest files as needed for UIAccess support
/// </summary>
/// <param name="enableUIAccess">Desired state of UIAccess.</param>
private static void SetManifestForUIAccess(bool enableUIAccess)
{
if (!enableUIAccess)
{
return; // UIAccess is disabled by default
}
try
{
string appPath = Path.GetDirectoryName(MsiUtilities.GetAppInstalledPath());
string enabledManifestContents = File.ReadAllText(Path.Combine(appPath, EnabledManifestFile));
File.WriteAllText(Path.Combine(appPath, AppManifestFile), enabledManifestContents, System.Text.Encoding.UTF8);
EventLogger.WriteInformationalMessage("UIAccess has been enabled");
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception e)
{
// Report the error, assume no UIAccess
EventLogger.WriteWarningMessage("Unable to enable UIAccess. Detail: {0}", e.ToString());
}
#pragma warning restore CA1031 // Do not catch general exception types
}