The Source1, Source2, and Source3 properties of the LogMessage2 object are Read-Only strings that are provided by an application to show a chain of causation (root cause) or related items that contributed to the condition described by the message. The ProgramName property of a LogMessage or LogMessage2 object may also indicate part of the message causation. In the case of a complex application with embedded controls, the message log reader may wish to consider the ProgramName in association with any provided source message properties.
object.Source1, Source2, or Source3
The object placeholder is an object expression that evaluates to a LogMessage2 object.
RemarksA property, SourceAny_Filter, is provided in the message retrieval method MessageLog2.List2 to pass a single matching criteria to be compared to any of the Source1, Source2, or Source3 properties of a message.