GetRootKey Method

Visual Basic
C#
WinRT C#
Objective-C
Java
WinRT JavaScript
C++

public DicomElement GetRootKey( 
   DicomElement element
)

'Declaration
 
Public Function GetRootKey( _
   ByVal element As DicomElement _
) As DicomElement

'Usage
 
Dim instance As DicomDataSet
Dim element As DicomElement
Dim value As DicomElement
 
value = instance.GetRootKey(element)

public DicomElement GetRootKey( 
   DicomElement element
)

ObjectiveC Syntax

 function Leadtools.Dicom.DicomDataSet.GetRootKey( 
   element 
)

public:
DicomElement^ GetRootKey( 
   DicomElement^ element
)

Parameters

element: An item in the Data Set.

Return Value

The item in the Data Set that is the root of the item specified by element, or a null reference (Nothing in Visual Basic) if the Data Set is empty or element is null.

The root is the Level 0 ancestor of element. If element points to an item on Level 0, the returned object points to that same item. 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 2
Item 4	Item 4
Item 5	Item 6

The following methods will also help you navigate the Data Set:

For an example, refer to Reset.

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

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