[Overview][Constants][Types][Classes][Index] Reference for unit 'ComCtrls' (#lcl)

TUDChangingEvent

TUDChangingEvent - generic event handling procedure for changes in UpDown button

Declaration

Source position: comctrls.pp line 1784

type TUDChangingEvent = procedure(

  Sender: TObject;

  var AllowChange: Boolean

) of object;