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LDicomDS::AnnDelete

Summary

Deletes a page from an annotation file, deletes the entire annotation file, or deletes all annotation files stored in a DICOM data set. This function is available in the Medical Imaging Toolkits.

Syntax

#include "ltdic.h"

L_UINT16 LDicomDS::AnnDelete (nIndex, nPage)

Parameters

L_INT nIndex

Index into an array of annotation files stored in the DICOM data set. Each DICOM data set can store up to 256 annotation files. This is a zero-based index. Valid values are between 0 and 255. Pass 1 to delete ALL annotation files and the private creator data element.

L_INT nPage

Number of the page to delete. The page number is 1-based. Therefore, the first page is page 1, the second page is page 2, etc. Pass 1 to delete the entire file specified by the nIndex parameter.

Returns

Value	Meaning
0	SUCCESS.
> 0	An error occurred. Refer to Return Codes.

Comments

LEAD Annotation files can be saved as private data in a DICOM data set (LEAD native format or binary encoded format). There can be up to 256 private data tags for LEAD annotation files. [LDicomDS:AnnDelete can delete a page from an annotation file, delete the entire annotation file, or delete all annotation files in a DICOM data set.

To delete the third page of the annotation file at index 1:

LDicomDS DicomDS;   
DicomDS.LoadDS("d:\work\images\a.dic", 0);   
DicomDS.AnnDelete(1, 3);

To delete the annotation file at index 1:

LDicomDS DicomDS;   
DicomDS.LoadDS ("d:\work\images\a.dic", 0);   
DicomDS.AnnDelete(1, -1);

To delete all annotation files and the private creator data element:

LDicomDS DicomDS;   
DicomDS.LoadDS ("d:\work\images\a.dic", 0);   
DicomDS.AnnDelete(-1, 0);

NOTE: Both DICOM and DOCUMENT capabilities must be unlocked in order to work with DICOM annotations. For more information on unlocking these capabilities, refer to LSettings::SetLicenseFile.