Interface IValueConverter

Exposes methods that allow the data to be modified as it passes through the binding engine.

Namespace: System.Windows.Data

Assembly: OpenSilver.dll

Syntax

public interface IValueConverter

Methods

Convert(Object, Type, Object, CultureInfo)

Modifies the source data before passing it to the target for display in the UI.

Declaration

object Convert(object value, Type targetType, object parameter, CultureInfo culture)

Parameters

Type	Name	Description
System.Object	value	The source data being passed to the target.
System.Type	targetType	The System.Type of data expected by the target dependency property.
System.Object	parameter	An optional parameter to be used in the converter logic.
System.Globalization.CultureInfo	culture	The culture of the conversion.

Returns

Type	Description
System.Object	The value to be passed to the target dependency property.

ConvertBack(Object, Type, Object, CultureInfo)

Modifies the target data before passing it to the source object. This method is called only in System.Windows.Data.BindingMode.TwoWay bindings.

Declaration

object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)

Parameters

Type	Name	Description
System.Object	value	The target data being passed to the source.
System.Type	targetType	The System.Type of data expected by the source object.
System.Object	parameter	An optional parameter to be used in the converter logic.
System.Globalization.CultureInfo	culture	The culture of the conversion.

Returns

Type	Description
System.Object	The value to be passed to the source object.