The class in which to look for the module.
Value that indicates the position of the module within the class. This index is zero-based. For example, if nIndex is 2 and class is DicomClassType.NMImageStorage, this method will return the item in the IOD Structure that contains the IOD for the module at index position 2 in the Nuclear Medicine Image class.
DicomIod class in the IOD Structure that contains the IOD for the module at the specified index position in the specified class.
For an example, refer to Reset.