public override async Task Init()
{
NestedDataSet.LoadFromQueryable(
Enumerable.Range(0, 100)
.Select(x => new NestedViewModel {
Id = $"row {x}"
})
.AsQueryable()
);
}
/// <summary>
/// Re-creates this DICOM value instance from specified DICOM
/// output stream using <see cref="Value.TransferSyntax" />.
/// </summary>
public void LoadFrom(Stream stream)
{
streamPosition = stream.Position;
DicomContext.Set(stream, VR.Tag);
if (ValueLength.IsUndefined)
{
// use of delimitation (undefined length)
if (IsSequence)
{
// sequence delimitation
Sequence sq = new Sequence(stream, TransferSyntax);
Add(sq);
}
else if (IsNestedDataSet)
{
// item delimitation
NestedDataSet ds = new NestedDataSet(stream,
TransferSyntax);
Add(ds);
}
else
{
throw new DicomException(
"Value length is undefined but value is whether " +
"sequence nor data set.", this.VR.Tag);
}
}
else
{
if (stream.Position + valueLength.Value <= stream.Length)
{
// use of length value
byte[] buffer = new byte[ValueLength.Value];
stream.Read(buffer, 0, ValueLength.Value);
Array multiValue = VR.Decode(buffer);
Add(multiValue);
}
else
{
throw new DicomException("Value length is out of bounds.",
"Value/stream.Length, Value/ValueLength.Value",
stream.Length.ToString() + ", " +
ValueLength.Value.ToString());
}
}
DicomContext.Reset();
}
