JVCL Help:TJvWindowHook.BeforeMessage

 JVCL Help: TJvWindowHook.BeforeMessage Event

TJvWindowHook

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[+] TJvWindowHook Properties

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Summary

Occurs before the hooked control handles a received message.

Pascal

 propertyBeforeMessage: TJvHookMessageEvent;

Description

Use BeforeMessage to respond to messages send to the hooked control. The BeforeMessage event is fired before the hooked control has handled the message.
Use parameter Handled to specify whether the hooked control may respond to this message. Setting Handled to true will prevent the hooked control or other hooks placed on the control to respond to this message.
This event is only triggered when Active is set to true.

See Also

Active, AfterMessage, Control

About

Notes

Be careful with setting parameter Handled to true. For example, unconditionally returning true will crash your application.

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