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

# TApplication.AddOnHelpHandler

AddOnHelpHandler - method to add Help handler

## Declaration

Source position: forms.pp line 1373

`public procedure TApplication.AddOnHelpHandler(`
`Handler: THelpEvent;`
`AsFirst: Boolean = true`
`);`

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