| LEADTOOLS DICOM C DLL Help > Function References > L_DicomChannelGetNotchFilterFrequency | 
#include "Ltdic.h"
L_LTDIC_API L_BOOL L_DicomChannelGetNotchFilterFrequency(hDICOMWaveFormChannel, pdFrequency)
| HDICOMWAVEFORMCHANNEL hDICOMWaveFormChannel; | /* a DICOM waveform channel handle */ | 
| L_DOUBLE * pdFrequency; | /* pointer to a variable to be updated */ | 
Gets the notch filter frequency.
| Parameter | Description | 
| hDICOMWaveFormChannel | A DICOM waveform channel handle | 
| pdFrequency | Pointer to a variable to be updated with the notch filter frequency. | 
Returns
| TRUE | The notch filter frequency was retrieved successfully. | 
| FALSE | An error occurred. | 
Comments
This function gets the value of the "Notch Filter Frequency" (003A,0222) element for this channel.
Required DLLs and Libraries
| For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application | 
Win32, x64, Linux.
See Also
| Functions: | 
| Topics: | 
Example
For an example, refer to L_DicomChannelSetSamples8.