private async void ImportChecksumFile(string path)
{
_selectedChecksumFile = new FileInfo(path);
BtChecksumChooseFile.IsEnabled = false;
BtChecksumChooseFile.AllowDrop = false;
BtChecksumExport.IsEnabled = false;
TbChecksumMd5.Clear();
TbChecksumSha1.Clear();
TbChecksumSha256.Clear();
TbChecksumSha384.Clear();
TbChecksumSha512.Clear();
BtCopyMd5.IsEnabled = false;
BtCopySha1.IsEnabled = false;
BtCopySha256.IsEnabled = false;
BtCopySha384.IsEnabled = false;
BtCopySha512.IsEnabled = false;
var length = _selectedChecksumFile.Length;
double adaptedLength;
string unit;
if (length < 1024)
{
adaptedLength = length;
unit = "B";
}
else if (length < 1048576)
{
adaptedLength = length / 1024d;
unit = "KiB";
}
else if (length < 1073741824)
{
adaptedLength = length / 1048576d;
unit = "MiB";
}
else
{
adaptedLength = length / 1073741824d;
unit = "GiB";
}
adaptedLength = Math.Round(adaptedLength, 2);
_lengthInMiB = Math.Round(length / 1048576d, 2).ToString(CultureInfo.InvariantCulture);
TblChecksumSelectedFile.Text =
$"{Path.GetFileName(_selectedChecksumFile.FullName)} ({adaptedLength} {unit})";
ImgChecksumSelectedFile.Source = Util.GetIconByFilename(_selectedChecksumFile.FullName).ToImageSource();
await Task.WhenAll(
Task.Run(async() => await Checksum.CalculateHash(_selectedChecksumFile.FullName, TbChecksumMd5,
PrMd5, BtCopyMd5, HashAlgorithm.Md5)),
Task.Run(async() => await Checksum.CalculateHash(_selectedChecksumFile.FullName, TbChecksumSha1,
PrSha1, BtCopySha1, HashAlgorithm.Sha1)),
Task.Run(async() => await Checksum.CalculateHash(_selectedChecksumFile.FullName, TbChecksumSha256,
PrSha256, BtCopySha256, HashAlgorithm.Sha256)),
Task.Run(async() => await Checksum.CalculateHash(_selectedChecksumFile.FullName, TbChecksumSha384,
PrSha384, BtCopySha384, HashAlgorithm.Sha384)),
Task.Run(async() => await Checksum.CalculateHash(_selectedChecksumFile.FullName, TbChecksumSha512,
PrSha512, BtCopySha512, HashAlgorithm.Sha512)));
BtChecksumChooseFile.IsEnabled = true;
BtChecksumChooseFile.AllowDrop = true;
BtChecksumExport.IsEnabled = true;
}