Eclipse Platform Release 3.7

## Hierarchy For Package org.eclipse.ui.handlers

Package Hierarchies:
  All Packages

## Class Hierarchy

- java.lang.Object
  - org.eclipse.core.commands.common.EventManager
    - org.eclipse.core.commands.AbstractHandler (implements org.eclipse.core.commands.IHandler2)
      - org.eclipse.ui.handlers.CollapseAllHandler
      - org.eclipse.ui.handlers.ExpandAllHandler
      - org.eclipse.ui.handlers.ShowPerspectiveHandler
      - org.eclipse.ui.handlers.ShowViewHandler
    - org.eclipse.core.commands.State
      - org.eclipse.jface.commands.PersistentState
        - org.eclipse.ui.handlers.RadioState (implements org.eclipse.core.runtime.IExecutableExtension)
        - org.eclipse.jface.commands.ToggleState
          - org.eclipse.jface.commands.RadioState
            - org.eclipse.ui.handlers.RegistryRadioState (implements org.eclipse.core.runtime.IExecutableExtension)
          - org.eclipse.ui.handlers.RegistryToggleState (implements org.eclipse.core.runtime.IExecutableExtension)
  - org.eclipse.ui.handlers.HandlerUtil

## Interface Hierarchy

- java.lang.Comparable<T>
  - org.eclipse.ui.handlers.IHandlerActivation (also extends org.eclipse.ui.internal.services.IEvaluationResultCache)
- org.eclipse.ui.services.IDisposable
  - org.eclipse.ui.services.IServiceWithSources
    - org.eclipse.ui.handlers.IHandlerService
- org.eclipse.ui.internal.services.IEvaluationResultCache
  - org.eclipse.ui.handlers.IHandlerActivation (also extends java.lang.Comparable<T>)

Eclipse Platform Release 3.7

Guidelines for using Eclipse APIs.

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