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IsNullOrEmptyConverter Class

Represents a value converter that returns whether the specified value is null, and if it is a string, also if it is null or empty.

[ValueConversion(typeof(object), typeof(bool))]
public class IsNullOrEmptyConverter
Inheritance:
object object

Constructors

IsNullOrEmptyConverter()

Initializes an instance of the class.

public IsNullOrEmptyConverter()

Properties

IsInverted

Gets or sets whether the result should be inverted.

public bool IsInverted { get; set; }

Property Value

bool:

true if the result should be inverted; otherwise, false.s

Methods

Convert(object, Type, object, CultureInfo)

Converts a value. The data binding engine calls this method when it propagates a value from the binding source to the binding target.

public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
Parameter Type Description
value object

The value produced by the binding source.

targetType Type

The type of the binding target property.

parameter object

The converter parameter to use.

culture CultureInfo

The culture to use in the converter.

Returns

object:

A converted value.

ConvertBack(object, Type, object, CultureInfo)

Converts a value. The data binding engine calls this method when it propagates a value from the binding target to the binding source.

public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
Parameter Type Description
value object

The value produced by the binding source.

targetType Type

The type of the binding target property.

parameter object

The converter parameter to use.

culture CultureInfo

The culture to use in the converter.

Returns

object:

A converted value.

Inherited Members