public async Task <bool> ToggleLoggingEnabledDisabledAsync()
{
CheckDisposed();
IsBusy = true;
try
{
bool enabled;
if (session != null)
{
string finalLogFilePath = await CloseSessionSaveFinalLogFile();
session.Dispose();
session = null;
if (StatusChanged != null)
{
StatusChanged.Invoke(this, new FileLogEventArgs(FileLogEventType.LogFileGeneratedAtDisable, finalLogFilePath));
}
ApplicationData.Current.LocalSettings.Values[LOGGING_ENABLED_SETTING_KEY_NAME] = false;
enabled = false;
}
else
{
StartLogging();
ApplicationData.Current.LocalSettings.Values[LOGGING_ENABLED_SETTING_KEY_NAME] = true;
enabled = true;
}
if (StatusChanged != null)
{
StatusChanged.Invoke(this, new FileLogEventArgs(enabled));
}
return(enabled);
}
finally
{
IsBusy = false;
}
}
/// <summary>
/// SAMPLE CODE Prepare this scenario for suspend.
/// </summary>
/// <returns>
/// Void Task.
/// </returns>
public async Task PrepareToSuspendAsync()
{
CheckDisposed();
if (localFileLogSession != null)
{
IsPreparingForSuspend = true;
try
{
// Before suspend, save any final log file.
string finalFileBeforeSuspend = await CloseSessionSaveFinalLogFile();
localFileLogSession.Dispose();
localFileLogSession = null;
// Save values used when the app is resumed or started later. Logging is enabled.
CommonLocalSettings.LoggingEnabled = true;
// Save the log file name saved at suspend so the sample UI can be updated on
// resume with that information.
ApplicationData.Current.LocalSettings.Values["LogFileGeneratedBeforeSuspend"] = finalFileBeforeSuspend;
}
finally
{
IsPreparingForSuspend = false;
}
}
else
{
// Save values used when the app is resumed or started later. Logging is not enabled
// and no log file was saved.
CommonLocalSettings.LoggingEnabled = false;
ApplicationData.Current.LocalSettings.Values["LogFileGeneratedBeforeSuspend"] = null;
}
}
protected virtual void Dispose(bool disposing)
{
if (isDisposed == false)
{
isDisposed = true;
if (disposing)
{
if (channel != null)
{
channel.Dispose();
channel = null;
}
if (session != null)
{
session.Dispose();
session = null;
}
}
}
}