load information with txt file to uwp c#
private async Task AddTextToFile(String textToSave)
{
var appFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
var file = await appFolder.CreateFileAsync("exposure.txt",
Windows.Storage.CreationCollisionOption.OpenIfExists);
await Windows.Storage.FileIO.AppendTextAsync(file, textToSave + Environment.NewLine);
// Look in Output Window of Visual Studio for path to file
System.Diagnostics.Debug.WriteLine(String.Format("File is located at {0}", file.Path.ToString()));
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
await AddTextToFile(String.Format("MinimumExposure {0}", DateTime.Now.Millisecond.ToString()));
}