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THelpAction class

In unit StdActns

The base class for standard help actions.

Declaration

pascal
THelpAction = class(TAction)

Inheritance

  1. THelpAction
  2. TAction
  3. TCustomAction
  4. TContainedAction
  5. TBasicAction
  6. TComponent
  7. TPersistent
  8. TObject

Descends from it: THelpContents THelpContextAction THelpOnHelp THelpTopicSearch

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

Methods

CreatepublicConstructor for the class instance.
HandlesTargetpublicDetermines whether Target can be handled by this action.
UpdateTargetpublicNotify client controls when the action updates itself.

Inherited

From TAction (17)

AutoCheck Caption Checked DisableIfNoHandler Enabled GroupIndex HelpContext HelpKeyword HelpType Hint ImageIndex OnExecute OnHint OnUpdate SecondaryShortCuts ShortCut Visible

From TCustomAction (20)

AssignTo Destroy DoHint Execute Grayed HandleShortCut SavedEnabledState SetAutoCheck SetCaption SetChecked SetEnabled SetGroupIndex SetHelpContext SetHelpKeyword SetHelpType SetHint SetImageIndex SetName SetShortCut SetVisible

From TContainedAction (8)

ActionList Category GetParentComponent HasParent Index ReadState SetParentComponent Update

From TBasicAction (12)

ActionComponent Change ClientCount Clients ExecuteTarget GetClient Notification OnChange RegisterChanges SetOnExecute Suspended UnRegisterChanges

From TComponent (68)

_AddRef _Release BeforeDestruction CanObserve ChangeName ComObject ComponentCount ComponentIndex Components ComponentState ComponentStyle DefineProperties DesignInfo DestroyComponents Destroying ExecuteAction FindComponent FreeNotification FreeOnRelease GetChildOwner GetChildParent GetChildren GetDeltaStreams GetEnumerator GetIDsOfNames GetNamePath GetObservers GetOwner GetTypeInfo GetTypeInfoCount iicrGetComponent InsertComponent Invoke IsImplementorOf Loaded Loading Name ObserverAdded Observers OnGetDeltaStreams Owner PaletteCreated QueryInterface ReadDeltaState ReadDeltaStream ReferenceInterface RemoveComponent RemoveFreeNotification RemoveFreeNotifications SafeCallException SetAncestor SetChildOrder SetDesigning SetDesignInstance SetInline SetSubComponent Tag ToString TToStringNameMode UpdateAction Updated UpdateRegistry Updating ValidateContainer ValidateInsert ValidateRename VCLComObject WriteState

From TPersistent (4)

Assign FPOAttachObserver FPODetachObserver FPONotifyObservers

From TObject (37)

AfterConstruction CheckDisposed ClassInfo ClassName ClassNameIs ClassParent ClassType CleanupInstance DefaultHandler DefaultHandlerStr Dispatch DispatchStr Disposed DisposeOf Equals FieldAddress Free FreeInstance GetDisposed GetHashCode GetInterface GetInterfaceByStr GetInterfaceEntry GetInterfaceEntryByStr GetInterfaceTable GetInterfaceWeak GetLastCastErrorInfo InheritsFrom InitInstance InstanceSize MethodAddress MethodName newinstance QualifiedClassName StringMessageTable SystemHasExtendedRTTI UnitName

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.