WPFCustomControls::ContextQueries::SharedContextQuery Class Reference

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Detailed Description

A shared query - overrides SharedInstance, Clone and ContextDefinitionChanged and provides an appropriate default implementation for these members.

The query must still provide a Singleton access point.

Inheritance diagram for WPFCustomControls::ContextQueries::SharedContextQuery:

List of all members.

Public Member Functions
override Object	Clone ()
	Since these queries can be shared, fake out clone, by simply returning this.
Properties
override EventHandler	ContextDefinitionChanged
	This context must never change, and is kept as a singleton instance.
override bool	SharedInstance [get]
	This is a shared singleton query.

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Member Function Documentation

override Object WPFCustomControls::ContextQueries::SharedContextQuery::Clone

(

)

[inline, virtual]

Since these queries can be shared, fake out clone, by simply returning this.

Returns:

This instance.

Reimplemented from WPFCustomControls::ContextQueries::ContextQuery.

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Property Documentation

override EventHandler WPFCustomControls::ContextQueries::SharedContextQuery::ContextDefinitionChanged [add, remove]

This context must never change, and is kept as a singleton instance.

Avoid leaking event listeners by never attaching them.

Reimplemented from WPFCustomControls::ContextQueries::ContextQuery.

override bool WPFCustomControls::ContextQueries::SharedContextQuery::SharedInstance [get]

This is a shared singleton query.

Reimplemented from WPFCustomControls::ContextQueries::ContextQuery.