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

THelpAction

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

The base class for standard help actions.

Declaration

Source position: stdactns.pas line 91

type THelpAction = class(TAction)

public

  constructor Create(); override;

  

Constructor for the class instance.

  function HandlesTarget(); override;

  procedure UpdateTarget(); override;

end;

Inheritance

THelpAction

  

The base class for standard help actions.

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TAction

  

TAction is the basic action object used in the LCL.

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TCustomAction

  

TCustomAction is the ancestor class for TAction.

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TContainedAction

  

Implements an Action class which has a category and parent action list.

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TBasicAction

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TComponent,IUnknown,IInterfaceComponentReference

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TPersistent,IFPObserved

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TObject

Description

THelpAction is a TAction descendant which implements the base class for help actions. It is used as the ancestor for classes including: THelpContents, THelpTopicSearch, THelpOnHelp, and THelpContextAction.

See also

THelpContents

  

Help action used to display a Table of Contents for the HelpContext.

THelpTopicSearch

  

Help action used to search for a help topic.

THelpOnHelp

  

Help action used to display the Help on Help topic, or "How to Get Help".

THelpContextAction

  

Help action used to get help for a specific help context.

TAction

  

TAction is the basic action object used in the LCL.


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