LogMark

METHOD LogMark : HRESULT
VAR_INPUT
    nContextId : UINT;     // defines the context
    nGroupId   : UINT;     // defines the group inside the context
    nEventId   : UINT;     // defines the specific event inside the group
    nMarkCtrl  : UDINT;    // mask for mark options (listed in TcMarkOption)
END_VAR

Description

The method creates a marker for the transferred marker group ID. The marker type is transferred using the parameter nMarkCtrl (see TcMarkOption).

Optionally, the event ID can be used to distinguish between different user events or to display additional data (formatted as UINT) in the TwinCAT 3 Real-time Monitor display.

Parameter:

nContextId: defines the context ID under which the marker is to be grouped in the TwinCAT 3 Real-time Monitor.

nGroupId: Marker ID (marker group) for which the marker is to be written.

nEventId: optional EventId.

nMarkCtrl: defines the marker type.