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

TCustomAction.DisableIfNoHandler

Prevents the action from executing if an OnExecute handler is not assigned in the action.

Declaration

Source position: actnlist.pas line 204

public property TCustomAction.DisableIfNoHandler : Boolean
  read FDisableIfNoHandler
  write FDisableIfNoHandler
  default False;

Description

Used in the Application message processing loop. When enabled, the action must have an OnExecute event handler - even if an OnExecute handler has been provided in the associated action list.

Version 4.0 Generated 2025-05-03 Home