#include "ltdic.h"

L_UINT16 LDicomDS::GetWindowCount(uFrameIndex, pCount)

Gets the number of values under the window center element.


L_UINT32 uFrameIndex

A zero-based index that identifies the frame number in the dataset.  If the dataset does not support Multi-frames, this parameter is ignored.

L_UINT * pCount

Pointer to a variable to be updated with the number of values under the window center.


Value Meaning
0 The function was successful.
> 0 An error occurred. Refer to Return Codes.


This function will get the number of values under the window center (0028,1050) element, this should also equal the number of values under the window width (0028,1051) element.

The Multi-frame Functional Groups module may have a Shared Functional Groups Sequence item, and/or a Per-frame Functional Groups Sequence item. Either of these items may have a Frame VOI LUT Sequence (0028,9132) item. If the following elements are not found at the top level in the dataset, this function looks in the Shared Functional Groups Sequence item and the Per-frame Functional Groups Sequence items.

Tag Name
(0028,1050) Window Center
(0028,1051) Window Width
(0028,1055) Window Center & Width Explanation

For a detailed discussion on Multi-frame Functional Groups and how the DICOM_SET_IMAGE_MFG flags are used, see the topic Multi-frame Functional Groups.

Required DLLs and Libraries


Win32, x64

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