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org.eclipse.core.commands
Interface IHandler2

All Superinterfaces:

IHandler

All Known Implementing Classes:

AbstractHandler, AbstractHandler, AbstractHandlerWithState, ActionHandler, ActionHandler, CollapseAllHandler, FileBufferOperationHandler, MarkerViewHandler, MergeActionHandler, NewPropertySheetHandler, ShowPerspectiveHandler, ShowViewHandler

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public interface IHandler2
extends 
IHandler

Extend the IHandler interface to provide some context for isEnabled() requests. Clients should use AbstractHandler unless they need to provide their own listener mechanism.

Since:

3.4

See Also:

AbstractHandler

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Method Summary
void	setEnabled ( Object evaluationContext)           Called by the framework to allow the handler to update its enabled state.

 

Methods inherited from interface org.eclipse.core.commands. IHandler
addHandlerListener, dispose, execute, isEnabled, isHandled, removeHandlerListener

 

Method Detail

setEnabled

void setEnabled(
Object evaluationContext)

Called by the framework to allow the handler to update its enabled state.

Parameters:

evaluationContext - the state to evaluate against. May be null which indicates that the handler can query whatever model that is necessary. This context must not be cached.

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