Copyright © 2011-2018 MultiMedia Soft

CallbackWaveformAnalyzerHorzLineMovedSet method

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Sets the function of the CallbackWaveformAnalyzerHorzLineMoved callback delegate which notifies when a custom horizontal line on the waveform analyzer has been moved.


For further details about callback delegates see the How to synchronize the container application with the API tutorial.

For details about the use of the Waveform Analyzer refer to the How to use the Waveform Analyzer section.

For further details about methods of the Waveform Analyzer refer to the WaveformAnalyzer class section.





[Visual Basic]

Public Function CallbackWaveformAnalyzerHorzLineMovedSet (

function as CallbackWaveformAnalyzerHorzLineMoved

) as enumErrorCodes



public enumErrorCodes CallbackWaveformAnalyzerHorzLineMovedSet (

CallbackWaveformAnalyzerHorzLineMoved function




public: enumErrorCodes CallbackWaveformAnalyzerHorzLineMovedSet (

CallbackWaveformAnalyzerHorzLineMoved function









Callback function



when using the API from Unmanaged C++ through COM interaction, where the client application is totally unaware about .NET delegates, you should use the "Ptr" version of the method which allows passing the pointer to the callback function:


[Unmanaged C++]

enumErrorCodes CallbackWaveformAnalyzerHorzLineMovedSetPtr (

(UINT_PTR) functionPointer








Pointer to the callback function.

See the Adding the API to an unmanaged Visual C++ project tutorial for details about usage of the "Ptr" version of these methods.



Return value






Negative value

An error occurred. Check the LastError property value in order to see the last error.

enumErrorCodes.ERR_NOERROR (0)

The method call was successful.