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Microsoft has been building databinding frameworks for years.
Each one promises to solve our databinding woes forever. In the Nov/Dec 2008 issue of Co De Magazine you were exposed to programmatically controlling data binding mechanisms of WPF.
Note the nesting of one markup extension within another in this example.
Run the application and try typing “Red” or #FF336688 in the text box to see the background color change: Find Ancestor: Walk the tree of parent elements looking for a specific type of element.
Along with a programmatic interface, WPF also provides a declarative databining interface.
This second article will introduce you to using the declarative data binding mechanisms contained in WPF. The XAML parser understands how to parse and instantiate many of the WPF framework classes.
Walt is also an MVP and the author of the free Shazzam Shader Editor at
This library is good because of the many features (panning, zooming, saving screenshots etc…) and because it renders fast with huge collections of points.
Walt's enthusiasm for crafting software interfaces blossomed early.
Just a few days after discovering how to move pixels around a computer screen, he was devouring books on the topic of computer graphics and UI design.
Use the Relative Source property when you need an element binding, but you can’t use the Element Name property.
There are four modes available for Relative Source bindings.