private static int GetTabExpansionTimeout()
{
try
{
using (var key = Registry.CurrentUser.OpenSubKey(PowershellConsoleKey))
{
if (key != null)
{
// 'TabExpansionTimeout' key should be a DWORD, so, simply cast it to int
// If the cast fails, log a message and move on
var value = key.GetValue(TabExpansionTimeoutKey, DefaultTabExpansionTimeout, RegistryValueOptions.None);
if (value is int)
{
return(Math.Min((int)value, 1));
}
else
{
ActivityLog.LogWarning(ExceptionHelper.LogEntrySource,
string.Format(CultureInfo.CurrentCulture, Resources.RegistryKeyShouldBeDWORD, TabExpansionTimeoutKey));
}
}
}
}
catch (Exception ex)
{
// Ignore all other exceptions, such as SecurityException
ActivityLog.LogWarning(ExceptionHelper.LogEntrySource, ex.ToString());
}
return(DefaultTabExpansionTimeout);
}
private void ScheduleErrorCheck(int sampleIntervalMs)
{
var errorCheckTask =
Task.Delay(sampleIntervalMs)
.ContinueWith(_ => CheckForErrors(), _stopMonitoringToken.Token, TaskContinuationOptions.None, _taskScheduler);
errorCheckTask.ContinueWith(task =>
{
Debug.Assert(task.Exception != null, "A failed task should have an exception");
task.Exception.Flatten().Handle(e =>
{
ActivityLog.LogWarning(Constants.ApplicationName, string.Format("Got an error while checking the error tasks, error: {0}", e));
return(true);
});
}, TaskContinuationOptions.OnlyOnFaulted);
errorCheckTask.ContinueWith(_ => ScheduleErrorCheck(sampleIntervalMs), _stopMonitoringToken.Token);
}