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GetRootKey Method

Summary

Returns the root of the specified item.

Syntax
C#
VB
C++
Java
public DicomElement GetRootKey( 
   DicomElement element 
) 
Public Function GetRootKey( _ 
   ByVal element As DicomElement _ 
) As DicomElement 
public DicomElement getRootKey(DicomElement 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 VB) if the Data Set is empty or element is null.

Remarks

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. getroot.gif

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:

GetFirstKey

GetLastKey

GetNextKey

GetParentKey

GetChildKey

Example

For an example, refer to Reset.

Requirements

Target Platforms

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