Gets or sets an optional parameter to pass to a converter as additional information.
Assembly: PresentationFramework (in PresentationFramework.dll)
A value of the type expected by the converter, which might be an object element or a string depending on the definition and XAML capabilities both of the property type being used and of the implementation of the converter. The converter takes in that type through the parameter parameter as defined by its Convert and ConvertBack implementations.
Available since 3.0