static async public Task Save <T>()
{
try
{
if (await DoesFileExistAsync())
{
await Windows.System.Threading.ThreadPool.RunAsync((sender)
=> PatternData.SaveAsync <T>().Wait(), Windows.System.Threading.WorkItemPriority.Normal);
}
else
{
file = await ApplicationData.Current.LocalFolder.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
await Windows.System.Threading.ThreadPool.RunAsync((sender)
=> PatternData.SaveAsync <T>().Wait(), Windows.System.Threading.WorkItemPriority.Normal);
}
}
catch (AggregateException ae)
{
ae.Handle((x) =>
{
if (x is UnauthorizedAccessException) // This we know how to handle.
{
new MessageDialog("You do not have permission to access all folders in this path.\n See your network administrator or try another path.");
return(true);
}
return(false); // Let anything else stop the application.
});
}
}
static async public Task Restore <T>()
{
if (await DoesFileExistAsync())
{
await Windows.System.Threading.ThreadPool.RunAsync((sender)
=> PatternData.RestoreAsync <T>().Wait(), Windows.System.Threading.WorkItemPriority.Normal);
}
else
{
file = await ApplicationData.Current.LocalFolder.CreateFileAsync(filename);
}
}