[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'Classes' (#rtl)

# TReader.OnPropertyNotFound

Handler for treating missing properties.

## Declaration

Source position: classesh.inc line 1430

`public property TReader.OnPropertyNotFound : TPropertyNotFoundEvent read FOnPropertyNotFound write FOnPropertyNotFound;`

## Description

OnPropertyNotFound can be used to take appropriate action when a property is read from a stream and no such property is found in the RTTI information of the Instance that is being read from the stream. It can be set at runtime, or at designtime by an IDE.

For more information about the meaning of the various arguments to the event handler, see TPropertyNotFoundEvent.

## See also

TPropertyNotFoundEvent |  | Callback for the TReader.OnPropertyNotFound event.
TReader.OnSetMethodProperty |  | Handler for setting method properties.
TReader.OnReadStringProperty |  | Handler for translating strings when read from the stream.