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In order for your custom type converter to be used as the acting type converter
for a custom class, you must apply the .NET Framework "TypeConverter" attribute
to your class definition. The Converter Type 'Name' that you specify through
the attribute must be the type name of your custom type converter. With this
attribute applied, when an XAML processor handles values where the property
type uses your custom class type, it can input strings and return object
instances.
You can also provide a type converter on a per-property basis. Instead of
applying a .NET Framework "TypeConverter" attribute to the class definition,
apply it to a property definition (the main definition, not the get / set
implementations within it. The type of the property must match the type that is
processed by your custom type converter. With this attribute applied, when an
XAML processor handles values of that property, it can process input strings
and return object instances. The per-property type converter technique is
particularly useful if you choose to use a property type from Microsoft .NET
Framework or from some other library where you cannot control the class
definition and cannot apply a "TypeConverter" attribute there.
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