private List <string> GetDicomDirectoryImages
(
string dicomFile,
DicomDataSet dataset
)
{
try
{
DicomElement refernceFileElement;
List <string> dicomImages;
string baseDirectory;
refernceFileElement = null;
dicomImages = new List <string> ( );
baseDirectory = Path.GetDirectoryName(dicomFile);
refernceFileElement = dataset.FindFirstElement(null,
DicomTag.ReferencedFileID,
false);
if (null != refernceFileElement)
{
dicomImages.Add(Path.Combine(baseDirectory, dataset.GetConvertValue(refernceFileElement)));
}
while (null != (refernceFileElement = dataset.FindNextElement(refernceFileElement, false)))
{
dicomImages.Add(Path.Combine(baseDirectory, dataset.GetConvertValue(refernceFileElement)));
}
return(dicomImages);
}
catch (Exception exception)
{
System.Diagnostics.Debug.Assert(false, exception.Message);
throw exception;
}
}
private void LoadDicomDir(string filename)
{
if (_cancel)
{
return;
}
string pathname = string.Empty;
string refFilename = string.Empty;
DicomElement element = null;
int count = 0;
int totalCount = 0;
int nMod = 1;
string sMsg = string.Empty;
if (!filename.ToUpper().Contains("DICOMDIR"))
{
return;
}
pathname = Path.GetDirectoryName(filename) + "\\";
using (DicomDataSet ds = new DicomDataSet())
{
try
{
this.Cursor = Cursors.WaitCursor;
LogText("Loading DICOMDIR...");
ds.Load(filename, DicomDataSetLoadFlags.None);
// Get the total count
LogText("Getting total count...");
element = ds.FindFirstElement(null, DicomTag.ReferencedFileID, false);
while (element != null)
{
totalCount++;
element = ds.FindNextElement(element, false);
}
if (totalCount >= 20)
{
nMod = 10;
}
// now get the datasets
element = ds.FindFirstElement(null, DicomTag.ReferencedFileID, false);
if (element != null && ds.GetElementValueCount(element) > 0)
{
if (!_cancel)
{
refFilename = ds.GetConvertValue(element);
if (LoadDicomFile(pathname + refFilename))
{
count++;
}
Application.DoEvents();
}
}
while ((refFilename.Length > 0) && (!_cancel))
{
element = ds.FindNextElement(element, false);
if (element != null && ds.GetElementValueCount(element) > 0)
{
refFilename = ds.GetConvertValue(element);
if (LoadDicomFile(pathname + refFilename))
{
count++;
}
Application.DoEvents();
}
else
{
refFilename = "";
}
if (count % nMod == 0)
{
sMsg = string.Format("Loaded {0} of {1} files...", count.ToString(), totalCount.ToString());
LogText(sMsg);
}
}
}
catch (DicomException de)
{
LogText("Dicom error: " + de.Code.ToString() + ": " + filename);
}
}
sMsg = string.Format("Loaded {0} of {1} total files", count.ToString(), totalCount.ToString());
LogText(sMsg);
RefreshList();
this.Cursor = Cursors.Default;
}
