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Leadtools.Dicom Namespace > Classes > DicomDataSet > Methods > BeginReadSequence Method > BeginReadSequence(DicomElement,Boolean,Int64) Method
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BeginReadSequence(DicomElement,Boolean,Int64) Method
Summary
Used to read values from an existing DICOM sequence
Syntax
public Leadtools.Dicom.DicomDataSet BeginReadSequence(Leadtools.Dicom.DicomElement element,bool tree,long tag)
Public Overloads Function BeginReadSequence( _ByVal element As Leadtools.Dicom.DicomElement, _ByVal tree As Boolean, _ByVal tag As Long _) As Leadtools.Dicom.DicomDataSet
public:Leadtools.Dicom.DicomDataSet^ BeginReadSequence(Leadtools.Dicom.DicomElement^ element,bool tree,int64 tag)
Parameters
element
an item in the data set
tree
true to evaluate the Data Set as a tree; false to evaluate the Data Set as a list.
tag
tag number of the DICOM element sequence
Return Value
a reference to the DicomDataSet
Remarks
This method is used to begin reading values from an existing DICOM sequence. It is part of a group of four methods that are to be used together. The four methods are listed below:
These methods are part of a fluent interface that are used to easily work with DICOM sequences. The methods can be chained together to create easily human readable code to create a sequence.
Passing null for the parameter element, and true for the parameter tree will attempt to read a sequence from the root of the DICOM data set. To read a sequence that is not at the root, pass the sequence item element for the parameter element, and false for the parameter tree. For more information on the element and tree paramters, see FindFirstElement.
The format of the code for reading a sequence is as follows:
ds.BeginReadSequence.BeginReadItem().GetValue.GetValue.EndReadItem().BeginReadItem().GetValue.GetValue.EndReadItem().EndReadSequence();
Example
For an example, refer to DicomDataSet.GetValue{T}(DicomElement, T, out T).
Requirements
See Also
Reference
BeginEditSequence(DicomElement,Boolean,Int64) Method
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