public async Task <bool> FileExistsAsync(IPortableStorageFile file)
{
try
{
return(File.Exists(file.Path));
}
catch
{
return(false);
}
}
public static IStorageFile AsWinRTStorageFile(this IPortableStorageFile file)
{
return(file.BaseFile as IStorageFile);
}
public async Task DeleteFileAsync(IPortableStorageFile file)
{
await file.AsWinRTStorageFile().DeleteAsync(StorageDeleteOption.PermanentDelete);
}