public IAsyncResult BeginWalk(IDicomDatasetWalker walker, AsyncCallback callback, object state)
{
_walker = walker;
_exception = null;
_async = new EventAsyncResult(callback, state);
ThreadPool.QueueUserWorkItem(Walk, null);
return _async;
}
public static IAsyncResult BeginOpen(string fileName, AsyncCallback callback, object state)
{
DicomFile df = new DicomFile();
df.File = new FileReference(fileName);
FileByteSource source = new FileByteSource(df.File);
EventAsyncResult result = new EventAsyncResult(callback, state);
DicomFileReader reader = new DicomFileReader();
reader.BeginRead(source,
new DicomDatasetReaderObserver(df.FileMetaInfo),
new DicomDatasetReaderObserver(df.Dataset),
OnReadComplete, new Tuple<DicomFileReader, DicomFile, EventAsyncResult>(reader, df, result));
return result;
}
public void BeginSave(string fileName, AsyncCallback callback, object state) {
if (Format == DicomFileFormat.ACRNEMA1 || Format == DicomFileFormat.ACRNEMA2)
throw new DicomFileException(this, "Unable to save ACR-NEMA file");
if (Format == DicomFileFormat.DICOM3NoFileMetaInfo) {
// create file meta information from dataset
FileMetaInfo = new DicomFileMetaInformation(Dataset);
}
File = new FileReference(fileName);
File.Delete();
OnSave();
FileByteTarget target = new FileByteTarget(File);
EventAsyncResult result = new EventAsyncResult(callback, state);
DicomFileWriter writer = new DicomFileWriter(DicomWriteOptions.Default);
writer.BeginWrite(target, FileMetaInfo, Dataset, OnWriteComplete, new Tuple<DicomFileWriter, EventAsyncResult>(writer, result));
}
