The mystery of when to add that extra property path junk

This is a note post since I know I will want to come back to this again;

From: http://stackoverflow.com/questions/4640573/round-brackets-in-xaml-syntax

The parentheses indicate that this property in a PropertyPath should be constructed using a partial qualification. It can use an XML namespace to find the type with an appropriate mapping. The ownerType searches types that a XAML processor has access to, through the XmlnsDefinitionAttribute declarations in each assembly. Most applications have the default XML namespace mapped to the http://schemas.microsoft.com/winfx/2006/xaml/presentation namespace, so a prefix is usually only necessary for custom types or types otherwise outside that namespace. propertyName must resolve to be the name of a property existing on the ownerType. This syntax is generally used for one of the following cases:

  • The path is specified in XAML that is in a style or template that does not have a specified Target Type. A qualified usage is generally not valid for cases other than this, because in non-style, non-template cases, the property exists on an instance, not a type.
  • The property is an attached property.
  • You are binding to a static property.

 

 

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