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TApplication.OnHelp property

Member of TApplicationpublicIn unit Forms

Event handler signalled when help is requested in the application.

Declaration

pascal
property OnHelp: THelpEvent read FOnHelp write FOnHelp;

Description

OnHelp is a THelpEvent property with the event handler signalled (if assigned) when help is requested in the application. It is signalled from the DoOnHelp method when the ActiveForm does not have an assigned OnHelp event handler or does not respond the specified help command. It occurs before other application handlers using the ahtHelp handler type are notified.

See also

An experiment, built from Lazarus main 2dfa93c66e of 10-22-2026. Not the official Lazarus documentation.