- 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.
Syntax
| Visual Basic (Declaration) | |
|---|---|
Public Function GetPrevious( _ ByVal iod As DicomIod, _ ByVal tree As Boolean _ ) As DicomIod | |
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As DicomIodTable Dim iod As DicomIod Dim tree As Boolean Dim value As DicomIod value = instance.GetPrevious(iod, 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 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.
The following methods will also help you navigate the IOD Structure as either a tree or a list:
| 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 passed class is : | The method returns: |
| Item 1 | null |
| Item 15 | Item 14 |
| Item 5 | Item 4 |
| Item 9 | Item 8 |
| Item 22 | item 21 |
| Item 25 | item 24 |
- Leadtools.Dicom.DicomIodTable.GetLast
- Leadtools.Dicom.DicomIodTable.GetFirst
- Leadtools.Dicom.DicomIodTable.GetNext
Requirements
Target Platforms: Silverlight 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7, MAC OS/X (Intel Only)