JVCL Help:TJvHookMessageEvent

 JVCL Help: TJvHookMessageEvent type

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► JvWndProcHook.pas Types

[+] JvWndProcHook.pas Types

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Summary

Type for event handlers that let an application process messages before or after the hooked control has handled it.

run\JvWndProcHook.pas

Pascal

 run\JvWndProcHook.pas

 TJvHookMessageEvent = procedure (Sender: TObject; var Msg: TMessage; var Handled: Boolean) ofobject;

Parameters

Parameters	Description
Sender	The hook component that has send this message.
Msg	Represents the Windows message that is about to be send to or just has been send to the hooked control.
Handled	Set Handled to true to specify that the message is handled, and that no other hooks, or the hooked control itself, may respond to this message.

run\JvWndProcHook.pas

Description

Use TJvHookMessageEvent to respond to messages send to the hooked control. Use parameter Handled to specify whether the message is handled. Setting Handled to true will prevent other hooks or the hooked control - if it has not received the message yet - to respond to this message.

run\JvWndProcHook.pas

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