LEADTOOLS Medical (Leadtools.Dicom assembly)

GetLastKey Method

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An item in the Data Set.
true to evaluate the Data Set as a tree; false to evaluate the Data Set as a list.
Returns the last item in the Dicom Dir Data Set.
Syntax
public DicomElement GetLastKey( 
   DicomElement element,
   bool tree
)
'Declaration
 
Public Function GetLastKey( _
   ByVal element As DicomElement, _
   ByVal tree As Boolean _
) As DicomElement
'Usage
 
Dim instance As DicomDataSet
Dim element As DicomElement
Dim tree As Boolean
Dim value As DicomElement
 
value = instance.GetLastKey(element, tree)
public DicomElement GetLastKey( 
   DicomElement element,
   bool tree
)

            
public DicomElement getLastKey(DicomElement element, boolean tree)
 function Leadtools.Dicom.DicomDataSet.GetLastKey( 
   element ,
   tree 
)
public:
DicomElement^ GetLastKey( 
   DicomElement^ element,
   bool tree
) 

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.

Return Value

The last item in the Data Set, or a null reference (Nothing in Visual Basic) if the Data Set is empty.
Remarks
If the Data Set is evaluated as a tree structure, this method returns the last item on the same level as element with the same parent as element. Please note that the numbering of the items in the following illustration is arbitrary and does not imply order.

If the passed object points to: The method returns an object pointing to:
Item 1 Item 2
Item 3 Item 4
Item 5 Item 5
Item 6 Item 7
null Item 2

If the Data Set is evaluated as a list, the last item in the list is returned. Please note that the numbering of the items in the following illustration does indicate the order of the items when the Data Set is evaluated as a list.

If the passed object points to: The method returns an object pointing to:
null Item 30
Item 12 Item 30
Item 14 Item 30
Item 22 Item 30
Item 25 Item 30

The following methods will also help you navigate the Data Set as either a tree or a list:

GetFirstKey

GetNextKey

GetPreviousKey

If you evaluate the Data Set as a tree, you can also use the following methods to navigate the tree:

GetRootKey

GetParentKey

GetChildKey

Example
For an example, refer to Reset.
Requirements

Target Platforms

See Also

Reference

DicomDataSet Class
DicomDataSet Members
GetFirstKey Method
GetPreviousKey Method
GetNextKey Method
GetRootKey Method
GetParentKey Method
GetChildKey Method

 

 


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