IValueConverter.ConvertBack(Object, TypeName, Object, String) Method
Definition
Important
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Modifies the target data before passing it to the source object. This method is called only in TwoWay bindings.
public:
Platform::Object ^ ConvertBack(Platform::Object ^ value, TypeName targetType, Platform::Object ^ parameter, Platform::String ^ language);IInspectable ConvertBack(IInspectable const& value, TypeName const& targetType, IInspectable const& parameter, winrt::hstring const& language);public object ConvertBack(object value, System.Type targetType, object parameter, string language);function convertBack(value, targetType, parameter, language)Public Function ConvertBack (value As Object, targetType As Type, parameter As Object, language As String) As ObjectParameters
- value
-
Object
Platform::Object
IInspectable
The target data being passed to the source.
The type of the target property, as a type reference (System.Type for Microsoft .NET, a TypeName helper struct for Visual C++ component extensions (C++/CX)).
- parameter
-
Object
Platform::Object
IInspectable
An optional parameter to be used in the converter logic.
- language
-
String
Platform::String
winrt::hstring
The language of the conversion.
Returns
The value to be passed to the source object.
Remarks
If you don't use a converter for TwoWay bindings it's acceptable to leave ConvertBack unimplemented (uses the template default from Visual Studio where it returns a NotImplementedException).