WPFCustomControls::Converters::IsNullConverter Class Reference

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Detailed Description

A useful converter for checking if a value is null.

Converts null to true, and any value other than null to false.

May be used in XAML as a markup extension.

List of all members.

Public Member Functions
object	Convert (object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
object	ConvertBack (object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
override object	ProvideValue (IServiceProvider serviceProvider)
	Implements the MarkupExtension interface to return the shared Converter.
Static Public Attributes
static readonly IsNullConverter	Converter = new IsNullConverter()
	Common instance of this converter.

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Member Function Documentation

object WPFCustomControls::Converters::IsNullConverter::Convert	(	object	value,
		Type	targetType,
		object	parameter,
		System.Globalization.CultureInfo	culture
	)		[inline]

object WPFCustomControls::Converters::IsNullConverter::ConvertBack	(	object	value,
		Type	targetType,
		object	parameter,
		System.Globalization.CultureInfo	culture
	)		[inline]

override object WPFCustomControls::Converters::IsNullConverter::ProvideValue

(

IServiceProvider

serviceProvider

)

[inline]

Implements the MarkupExtension interface to return the shared Converter.

Parameters:

serviceProvider

Not used.

Returns:

The Converter instance.

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Member Data Documentation

readonly IsNullConverter WPFCustomControls::Converters::IsNullConverter::Converter = new IsNullConverter() [static]

Common instance of this converter.

May be shared to reduce memory demands, and provided by the MarkupExtension.