private void btnPlay_Click(object sender, EventArgs e)
{
try
{
string strInFileName = txtBasicVoiceInputFile.Text;
if (strInFileName == "" || !File.Exists(strInFileName))
{
MessageBox.Show("Please enter a valid input file name");
return;
}
//Do we need to extract the wave stream from the DICOM file?
if (m_bInputDICOMFileNameChanged)
{
DicomDataSet ds = new DicomDataSet();
DicomWaveformGroup AudioWaveformGroup;
ds.Reset();
// Load the dataset
ds.Load(strInFileName, DicomDataSetLoadFlags.None);
// Do we have any waveforms in the dataset?
if (ds.WaveformGroupCount < 1)
{
MessageBox.Show("This dataset has no waveform groups");
return;
}
// Extract the first waveform group
AudioWaveformGroup = ds.GetWaveformGroup(0);
// Extract the wave stream from the waveform group and save it to disk
try
{
AudioWaveformGroup.SaveAudio(m_strWaveFileName);
}
catch
{
MessageBox.Show("Couldn't extract wave stream from DICOM file!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
}
// Play the wave file
m_SoundPlayer.SoundLocation = m_strWaveFileName;
m_SoundPlayer.Play();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
public static DicomWaveformGroup GetWaveForm(DicomDataSet ds)
{
int WaveformGroupCount = ds.WaveformGroupCount;
if (0 == WaveformGroupCount)
{
return(null);
}
return(ds.GetWaveformGroup(0));
}
/*
* Loads a dataset, checks to make sure it has waveforms, and then builds the tree
*/
private void OpenDataset(string file)
{
Cursor = Cursors.WaitCursor;
try
{
m_bLoadedWaveform = false;
ds.Load(file, DicomDataSetLoadFlags.LoadAndClose);
// Do we have any waveform groups at all
if (ds.WaveformGroupCount == 0)
{
MessageBox.Show("The DICOM file you are trying to load doesn't include any waveforms.");
m_bLoadedWaveform = false;
return;
}
else
{
m_bLoadedWaveform = true;
}
// There is at least one waveform group in this DS, the first waveform group will be loaded
if (m_CurrentWaveformGroup != null)
{
m_CurrentWaveformGroup.Reset();
}
m_CurrentWaveformGroup = ds.GetWaveformGroup(0);
// Update the Tree View
UpdateTree();
}
catch (Exception exception)
{
MessageBox.Show(exception.ToString());
}
finally
{
Cursor = Cursors.Arrow;
}
if (treeViewElements.Nodes.Count > 0)
{
treeViewElements.SelectedNode = treeViewElements.Nodes[0];
}
}
