Unit 'fpobserver' Package
[Overview][Types][Classes][Procedures and functions][Index] [#fcl]

TMediatingEvent

Event type for mediating data transfer operations

Declaration

Source position: fpobserver.pp line 56

type TMediatingEvent = procedure(

  Sender: TObject;

  var Handled: Boolean

) of object;

Arguments

Sender

  

Mediator object triggering the event

Handled

  

Flag indicating whether the event was handled by user code

Description

The TMediatingEvent procedure type defines the signature for events that occur during data transfer operations in mediators. The event allows custom handling of data transfer between subject and view objects.

The Handled parameter can be set to True to indicate that the event handler has performed the data transfer, preventing the default transfer mechanism from executing.


Documentation generated on: Dec 15 2025