L_DicomRemoveLayerByIndex

#include "l_bitmap.h"

L_UINT16 EXT_FUNCTION L_DicomRemoveLayerByIndex(hDS, uLayerIndex, bAnnSequence)

HDICOMDS hDS;	/* a DICOM handle */
L_UINT uLayerIndex;	/* index of the layer to be removed */
L_BOOL bAnnSequence;	/* flag */

Deletes all the elements that describe a layer.

Parameter	Description
hDS	A DICOM handle.
uLayerIndex	Index of the layer to be removed from the Graphic Layer Module.
bAnnSequence	Boolean flag which indicates whether to remove the items under the "Graphic Annotation Sequence" which correspond to this layer. Possible values are:
	Value	Meaning
	TRUE	Remove the items under the "Graphic Annotation Sequence" which correspond to this layer.
	FALSE	Only remove the layer.

Returns

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

Comments

This function removes the item, which represents a layer under the "Graphic Layer Sequence"(0070,0060).

If the bAnnSequence parameter is set to TRUE then the function will clean any elements under the "Graphic Annotation Sequence" which correspond to the layer being removed.

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_DicomGetLayerInfo, L_DicomSetLayerInfo, L_DicomRemoveLayerByName, L_DicomRemoveAllLayers, L_DicomGetLayerCount, L_DicomGetLayerIndex, L_DicomGetLayerGraphicObjectCount, L_DicomRemoveLayerGraphicObjects, L_DicomGetLayerTextObjectCount, L_DicomRemoveLayerTextObjects, L_DicomGetLayerElementByIndex, L_DicomGetLayerElementByName
Topics:	Working with DICOM Annotations
	Dicom Annotations: Layers

Example

L_VOID RemoveFirstLayer(HDICOMDS hPresStateDS)
{
   L_UINT16 nRet = L_DicomRemoveLayerByIndex (hPresStateDS,0,TRUE);
   if (nRet == DICOM_SUCCESS)
   {
      MessageBox( NULL,
                  "Layer has been removed successfully.",
                  "Note",
                  MB_OK);
   }
}