ImageGear for C and C++ on Windows v19.0
MED_ElemList_move_descend

This function moves the Current Data Element down one level.

Declaration:

 
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AT_ERRCOUNT ACCUAPI MED_ElemList_move_descend (
        HIGMEDELEMLIST hIGMedElemList
);

Arguments:

Name Type Description
hIGMedElemList HIGMEDELEMLIST HIGMEDELEMLIST handle to the Data Element List object.

Return Value:

Returns the number of ImageGear errors that occurred during the function call.

Supported Raster Image Formats:

This function does not process image pixels.

Remarks:

This is only applicable if the Current Data Element is positioned at an SQ Data Element or at an Item Data Element.

If the Current Data Element is positioned at an SQ Data Element, the Current Data Element will descend to the first Item in the sequence. If at an Item, the new Current DE becomes the first DE within the Item. Only one level is descended per call.

If the Current DE does not point to an SQ or Item DE, no action is taken.

Data Elements (as well as SQs and Item Delimiters) are always stored in odd-numbered levels; even-numbered levels contain Items and SQ Delimiters.

 

 


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