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PositionMarkerAddOffline method

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Adds a new position marker: differently from the PositionMarkerAdd method, which requires a live recording session, this method can be invoked when the recording session has already been stopped.


Although there is no limit to the number of position markers that can be added to a recording session, only one position marker can be added on a specific position. It's not allowed adding a position marker at position 0 of the recording session.


The number of available position markers can be retrieved at the end of the recording session through the PositionMarkerCountGet method.


For details about recording from input devices see the How to perform a recording session tutorial.





[Visual Basic]

control.PositionMarkerAddOffline (

nUniqueId as long,

strDescription as string,

nPositionMs as long

) as enumErrorCodes



short control.PositionMarkerAddOffline (

long nUniqueId,

LPCTSTR strDescription,

long nPositionMs









Number representing the unique identifier of the position marker.


String representing the friendly description of the position marker


The position, expressed in milliseconds, of the position marker




Return value






Negative value

An error occurred, check the LastError property value in order to see the error code meaning

enumErrorCodes.ERR_NOERROR (0)

The method call was successful.