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UnaryOperationConverter Class

Applies the Operation on the value.

Either a boolean or an arithmetic operation for built in types, or the negation defined by the objects negation operator overload.

Inheritance Hierarchy
SystemObject
  System.Windows.MarkupMarkupExtension
    TomsToolbox.Wpf.ConvertersValueConverter
      TomsToolbox.Wpf.ConvertersUnaryOperationConverter

Namespace: TomsToolbox.Wpf.Converters
Assembly: TomsToolbox.Wpf (in TomsToolbox.Wpf.dll) Version: 2.21.0+44d18b541fc9419ec3c549350a832394661b2a4d
XMLNS for XAML: Not mapped to an xmlns.
Syntax
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public class UnaryOperationConverter : ValueConverter

Return Value

If the conversions succeed, the result of the operation is returned. If any error occurs, the result is UnsetValue.

The UnaryOperationConverter type exposes the following members.

Constructors
 NameDescription
Public methodUnaryOperationConverterInitializes a new instance of the UnaryOperationConverter class
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Properties
 NameDescription
Public propertyConvertBackErrorValue Gets or sets the error value, which is returned whenever the value to convert back produces an error; the default is UnsetValue.
(Inherited from ValueConverter)
Public propertyConvertBackNullValue Gets or sets the null value, which is returned whenever the value to convert back is null; the default is null.
(Inherited from ValueConverter)
Public propertyConvertBackUnsetValue Gets or sets the unset value, which is returned whenever the value to convert back is UnsetValue; the default is UnsetValue.
(Inherited from ValueConverter)
Public propertyConvertErrorValue Gets or sets the error value, which is returned whenever the value to convert produces an error; the default is UnsetValue.
(Inherited from ValueConverter)
Public propertyConvertNullValue Gets or sets the null value, which is returned whenever the value to convert is null; the default is null.
(Inherited from ValueConverter)
Public propertyConvertUnsetValue Gets or sets the unset value, which is returned whenever the value to convert is UnsetValue; the default is UnsetValue.
(Inherited from ValueConverter)
Public propertyOperation Gets or sets the operation performed by this converter.

Even though this converter supports only one operation, the property is present to have the same look and feel like the BinaryOperationConverter.

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Methods
 NameDescription
Protected methodConvert Converts a value.
(Overrides ValueConverterConvert(Object, Type, Object, CultureInfo))
Protected methodConvertBack Converts a value.
(Overrides ValueConverterConvertBack(Object, Type, Object, CultureInfo))
Public methodProvideValue When implemented in a derived class, returns an object that is provided as the value of the target property for this markup extension.
(Inherited from ValueConverter)
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Fields
 NameDescription
Public fieldStatic memberNegation The default negation converter.
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Extension Methods
 NameDescription
Public Extension MethodSafeCastT Performs a cast from object to T, avoiding possible null violations if T is a value type.
(Defined by ObjectExtensions)
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See Also