GetPrevious Method

Summary

Returns the item in the IOD Structure that immediately precedes the specified item.

Syntax

C++

Java

public DicomIod GetPrevious( 
   DicomIod iod, 
   bool tree 
)

Public Function GetPrevious( _ 
   ByVal iod As DicomIod, _ 
   ByVal tree As Boolean _ 
) As DicomIod

public DicomIod getPrevious(DicomIod iod, boolean tree)

public: 
DicomIod^ GetPrevious(  
   DicomIod^ iod, 
   bool tree 
)

Parameters

iod
An item in the IOD Structure.

tree
true to evaluate the IOD Structure as a tree, false to evaluate the IOD Structure as a list.

Return Value

DicomIod class that contains the item in the IOD Structure that immediately precedes the item specified in iod.

Remarks

If the IOD Structure is evaluated as a tree structure, this method returns the previous item on the same level as iod with the same parent as iod. Please note that the numbering of the items in this illustration is arbitrary and does not imply order.

If the passed class is :	The method returns:
Item 1	Item 2
Item 3	Item 4
Item 5	null
Item 6	Item 7

If the IOD Structure is evaluated as a list, the previous item in the list is returned. Please note that the numbering of the items in this illustration does indicate the order of the items when the IOD Structure is evaluated as a list.