MoveNextKey method (ILEADDicomDS)
Overview |
Refer to Working with Key Elements. |
Remarks
Updates the CurrentElement property with the key element in the Data Set that immediately follows the key element specified in the CurrentElement property. The result depends on whether the Data Set is evaluated as a tree or a list.
If the Data Set is evaluated as a tree structure, this method updates the CurrentElement property with the next key element on the same level and with the same parent as the key element in the CurrentElement property. Please note that the numbering of the items in this illustration is arbitrary and does not imply order.
If the CurrentElement property contains: |
The CurrentElement property will be updated with: |
Item 1 |
Item 2 |
Item 3 |
Item 4 |
Item 5 |
NULL |
Item 6 |
Item 7 |
If the Data Set is evaluated as a list, the CurrentElement property is updated with the next item in the list. Please note that the numbering of the items in this illustration does indicate the order of the items when the Data Set is evaluated as a list.
If the CurrentElement property contains: |
The CurrentElement property will be updated with: |
Item 14 |
Item 15 |
Item 4 |
Item 5 |
Item 8 |
Item 9 |
Item 19 |
Item 20 |
Item 27 |
Item 28 |
Item 30 |
NULL |
The following methods will also help you navigate the DICOM Dir Data Set as either a tree or a list:
If you evaluate the Data Set as a tree, you can also use the following methods to navigate the tree:
Note: Visual Basic users can either check the return value of the method, or capture and process errors to determine whether the MovexxxElement methods have completed successfully.
See Also
Elements: |
MoveFirstKey method, MovePrevKey method, MoveLastKey method, MoveRootKey method, MoveParentKey method, MoveChildKey method |
Topics: |