/// <summary>
/// Loads Last State on start if it exists
/// </summary>
/// <returns> true if successful</returns>
public bool LoadPreviousPMState(out object x)
{
MeterStateFile meterStateFile = new MeterStateFile();
string meterStateFileJson = null;
try
{
using (IsolatedStorageFile isolatedStorageFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isolatedStorageFile.DirectoryExists("CarLocatorSystems"))
{
isolatedStorageFile.CreateDirectory("CarLocatorSystems");
}//end if
IsolatedStorageFileStream fileStream = null;
try
{
fileStream = isolatedStorageFile.OpenFile(@"CarLocatorSystems/MeterState.dat",
FileMode.OpenOrCreate);
using (StreamReader streamReader =
new StreamReader(fileStream))
{
fileStream = null;
meterStateFileJson = streamReader.ReadToEnd();
if (meterStateFileJson.Length == 0)
{
x = meterStateFile;
return(false);
}
}
}//end using 2
finally
{
if (fileStream != null)
{
fileStream.Dispose();
}
}
}//end using 1
x = JsonConvert.DeserializeObject <MeterStateFile>(meterStateFileJson);
return(true); //<= Loaded with Info
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error", MessageBoxButton.OK);
}
x = meterStateFile;
return(false);
}
/// <summary>
/// Save Current State on Exit
/// </summary>
/// <returns> true of successful</returns>
public bool SaveCurrentPMState(object x)
{
MeterStateFile meterStateFile = (MeterStateFile)x;
try
{
string meterStateFileJson = JsonConvert.SerializeObject(meterStateFile, Formatting.Indented);
using (IsolatedStorageFile isolatedStorageFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isolatedStorageFile.DirectoryExists("CarLocatorSystems"))
{
isolatedStorageFile.CreateDirectory("CarLocatorSystems");
}//end if
IsolatedStorageFileStream fileStream = null;
try
{
fileStream = isolatedStorageFile.OpenFile(@"CarLocatorSystems/MeterState.dat"
, FileMode.Create);
using (StreamWriter streamWriter = new StreamWriter(fileStream))
{
fileStream = null;
streamWriter.Write(meterStateFileJson);
} //end using 3
} //end using 2
finally
{
if (fileStream != null)
{
fileStream.Dispose();
}
}
}//end using 1
return(true);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error", MessageBoxButton.OK);
}
return(false);
}