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

# TCustomConnection.BeforeConnect

Event triggered before a connection is made.

## Declaration

Source position: db.pas line 2041

`published property TCustomConnection.BeforeConnect : TNotifyEvent read FBeforeConnect write SetBeforeConnect;`

## Description

BeforeConnect is called before a connection is attempted in TCustomConnection.Open. It can be used to set connection parameters, or to abort the establishing of the connection: if an exception is raised during this event, the connection attempt is aborted.

## See also

TCustomConnection.Open |  | Makes the connection to the server
TCustomConnection.AfterConnect |  | Event triggered after a connection is made.
TCustomConnection.OnLogin |  | Event triggered when a login prompt is shown.