silverlight - Binding is not updating multiple UI elements -

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i have buttons on silverlight page opacity bound 1 of 2 properties on viewmodel. i'm using button command changes properties, in theory affect buttons bound property, control gets affected button initiates command (any 1 of them).

any ideas on why additional bindings don't work?

the whole thing little more complex buttons on control bindings dependencyproperties mapping vm, , bound properties going through valueconverter.

it sounds need raise inotifypropertychanged.propertychanged event properties changing. let controls bound them know there change , need come , latest value.


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