#1,137 – Value Converter Basics

A value converter is a class that knows how to convert data as part of the data binding process.  It can convert data in two directions:

  • From the data type of a bound property to the data type required by the attribute that is binding to the property (output)
  • From the data type of an attribute to the data type of a bound property (input)

A value converter implements the IValueConverter interface.  IValueConverter.Convert is used for output, converting from a bound property value to the type required by an attribute.  For example, you might have a integer property that you bind to and use in setting the background color of a particular control.

IValueConverter.ConvertBack is used for input, converting from an attribute’s value to a bound property.

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About Sean
Software developer in the Twin Cities area, passionate about software development and sailing.

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