WinStoreSaveLoadAppData

Expansion WinStoreSaveLoadAppData matthias.shapiro@outlook.com WinStore_SaveLoad_AppData

fileVar File variable for the path to the saved item _myFileLocation filePath File name for data we want to save MyFileLocation.txt objectName Name the data you're about to save so you can recognize it when you call these methods MyData objectType The object type that you are trying to save (CAUTION: Make sure this object is serializable) List<string> objectInitial If there is no existing file, return a new instance of that object new List<string>(); saveObjectVar A variable for the data you're about to save saveData


         Get$objectName$()
{ 
    // If you're saving your stuff just on this device
    var readStream = 
        await ApplicationData.Current.LocalFolder.OpenStreamForReadAsync($fileVar$);

    // If there is no $objectName$, then we haven't created our $objectName$ file yet
    if (readStream == null)
        return $objectInitial$;

    DataContractSerializer stuffSerializer = 
        new DataContractSerializer(typeof($objectType$));

    var setResult = ($objectType$)stuffSerializer.ReadObject(readStream);

    return setResult;
}

public static async Task Save$objectName$($objectType$ $saveObjectVar$)
{
    try {

        StorageFile savedStuffFile = 
            await ApplicationData.Current.LocalFolder.CreateFileAsync($fileVar$, 
            CreationCollisionOption.ReplaceExisting);

        using (Stream writeStream = 
            await savedStuffFile.OpenStreamForWriteAsync())
        {
            DataContractSerializer stuffSerializer = 
                new DataContractSerializer(typeof($objectType$));

            stuffSerializer.WriteObject(writeStream, $saveObjectVar$);
            await writeStream.FlushAsync();
            writeStream.Dispose();
        }
    return true;
    }
    catch (Exception e)
    {
        throw new Exception("ERROR: unable to save $objectName$", e);
        //return false;
    }
}
#endregion]]>