L_DicomGetLayerCount

#include "l_bitmap.h"

L_UINT16 EXT_FUNCTION L_DicomGetLayerCount(hDS, pCount)

HDICOMDS hDS;	/* a DICOM handle */
L_UINT * pCount;	/* pointer to a variable which will be updated with the layer count*/

Gets the number of the Graphic Layers.

Parameter	Description
hDS	A DICOM handle.
pCount	Pointer to a variable which will be updated with the layer count.

Returns

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

Comments

This function will return the number of layers inside a DICOM dataset by counting the number of items under the "Graphic Layer Sequence" (0070,0060).

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_DicomRemoveLayerByIndex, L_DicomRemoveLayerByName, L_DicomRemoveAllLayers, 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 DisplayNumberOfLayers(HDICOMDS hPresStateDS)
{
L_CHAR szText[256] = "\0";
L_UINT uCount;
   L_UINT16 nRet;
   nRet = L_DicomGetLayerCount(hPresStateDS,&uCount);
if (nRet == DICOM_SUCCESS)
{
  wsprintf(szText, "Number of layers in the Dataset is: %i", uCount);
    MessageBox( NULL,
                  szText,
                  "Note",
                  MB_OK);
}
}