December 2014
Intermediate to advanced
512 pages
17h 4m
English
Content preview from XAML Unleashed
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Event Handler Flexibility
Event handlers can’t be assigned in a loose XAML2006 file, but they can be in a loose XAML2009 file as long as the root instance can be located and it has a method with a matching name and appropriate signature. In addition, in XAML2009, the value of an event attribute can be any markup extension that returns an appropriate delegate:
<Button Click="{custom:DelegateFinder Click} "/>
As with any markup extension, it can accept arbitrary input and perform arbitrary logic to look up the delegate.
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