L_DicomAnnDelete
#include "ltdic.h"
L_LTDIC_API L_UINT16 L_DicomAnnDelete (hDS, nIndex, nPage)
HDICOMDS hDS; |
/* a DICOM handle */ |
L_INT nIndex; |
/* index of an annotation file */ |
L_INT nPage; |
/* page to delete */ |
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 Toolkits.
Parameter |
Description |
hDS |
A DICOM handle. |
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. |
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
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. L_DicomAnnDelete 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:
HDICOMDS hDS;
hDS = L_DicomCreateDS(NULL);
L_DicomLoadDS(hDS, TEXT("d:\\work\\images\\a.dic"), 0);
L_DicomAnnDelete(hDS, 1, 3);
L_DicomFreeDS(hDS);
To delete the annotation file at index 1
HDICOMDS hDS;
hDS = L_DicomCreateDS(NULL);
L_DicomLoadDS(hDS, TEXT("d:\\work\\images\\a.dic"), 0);
L_DicomAnnDelete(hDS, 1, -1);
L_DicomFreeDS(hDS);
To delete all annotation files and the private creator data element
HDICOMDS hDS;
hDS = L_DicomCreateDS(NULL);
L_DicomLoadDS(hDS, TEXT("d:\\work\\images\\a.dic"), 0);
L_DicomAnnDelete(hDS, -1, 0);
L_DicomFreeDS(hDS);
Please note that both the DICOM capabilities and the DOCUMENT capabilities must be unlocked in order to work with DICOM annotations. For more information on unlocking these capabilities, refer to L_UnlockSupport.
Required DLLs and Libraries
LTDIC For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application |
See Also
Functions: |
L_DicomAnnLoad, L_DicomAnnSave, L_DicomAnnCount, L_DicomAnnDelete |
Topics: |
Example
For an example, refer to L_DicomAnnCount.