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GetFirst Method

Summary

Returns the first item in the IOD Structure.

Syntax
C#
VB
C++
Java
public DicomIod GetFirst( 
   DicomIod iod, 
   bool tree 
) 
Public Function GetFirst( _ 
   ByVal iod As DicomIod, _ 
   ByVal tree As Boolean _ 
) As DicomIod 
public DicomIod getFirst(DicomIod iod, boolean tree) 
public: 
DicomIod^ GetFirst(  
   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

a DicomIod class that contains the first item in the IOD Structure.

Remarks

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

getfsttr.gif

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

If the IOD Structure is evaluated as a list, the first 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.

getftlst.gif
If the passed class is : The method returns:
null Item 1
Item 12 Item 1
Item 14 Item 1
Item 22 Item 1
Item 25 item 1

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

If you evaluate the IOD Structure as a tree, you can also use the following method to navigate the tree:

Example

For an example, refer to Reset.

Requirements

Target Platforms

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