Public Function GetSignaturesCount( _
   ByVal item As DicomElement _
) As Integer

Dim instance As DicomDataSet
Dim item As DicomElement
Dim value As Integer
 
value = instance.GetSignaturesCount(item)

public int GetSignaturesCount( 
   DicomElement item
)

public:
int GetSignaturesCount( 
   DicomElement^ item
) 

Public Sub EnumerateSignatures()
   Dim dicomFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "Signed.dcm"
   'Make sure to initialize the DICOM engine, this needs to be done only once 
   'In the whole application
   DicomEngine.Startup()

   Dim dataset As DicomDataSet = New DicomDataSet()
   Using (dataset)
      'Load DICOM File
      dataset.Load(dicomFileName, DicomDataSetLoadFlags.None)
      ' We will enumerate the Digital Signatures in the main Data Set
      Dim signaturesCount As Integer = dataset.GetSignaturesCount(Nothing)
      If signaturesCount = 0 Then
         MessageBox.Show("No Digital Signatures in the main Data Set.")
         Return
      End If
      Dim msg As String
      If signaturesCount = 1 Then
         msg = "There is 1 Digital Signature in the main Data Set.Do you want to examine it?"
      Else
         msg = String.Format("There are {0} Digital Signatures in the main Data Set. Do you want to examine them?", signaturesCount)
      End If
      If MessageBox.Show(msg, "Sample", MessageBoxButtons.YesNo) <> DialogResult.Yes Then
         Return
      End If
      Dim i As Integer = 0
      Do While i < signaturesCount
         ExamineSignature(dataset, dataset.GetSignature(Nothing, i))
         i += 1
      Loop
   End Using

   DicomEngine.Shutdown()
End Sub

public void EnumerateSignatures()
{
   string dicomFileName = LeadtoolsExamples.Common.ImagesPath.Path + "Signed.dcm";
   //Make sure to initialize the DICOM engine, this needs to be done only once 
   //In the whole application
   DicomEngine.Startup();
   using (DicomDataSet dataset = new DicomDataSet())
   {
      //Load DICOM File
      dataset.Load(dicomFileName, DicomDataSetLoadFlags.None);
      // We will enumerate the Digital Signatures in the main Data Set
      int signaturesCount = dataset.GetSignaturesCount(null);
      if (signaturesCount == 0)
      {
         MessageBox.Show("No Digital Signatures in the main Data Set.");
         return;
      }
      string msg;
      if (signaturesCount == 1)
      {
         msg = "There is 1 Digital Signature in the main Data Set.Do you want to examine it?";
      }
      else
      {
         msg = String.Format("There are {0} Digital Signatures in the main Data Set. Do you want to examine them?", signaturesCount);
      }
      if (MessageBox.Show(msg, "Sample", MessageBoxButtons.YesNo) != DialogResult.Yes)
      {
         return;
      }
      for (int i = 0; i < signaturesCount; i++)
      {
         ExamineSignature(dataset, dataset.GetSignature(null, i));
      }
   }
   DicomEngine.Shutdown();
}