c# - How to use IValueConverter implementation from another file? -


i have ivalueconverter implementation - iconextractor. use way:

<image source="{binding converter={staticresource iconextractor},                         converterparameter=c:\\windows\\system32\\shell32.dll|72}"/>

but work, iconextractor must reside in code-behind-file of xaml, e.g: main window mainwindow.xaml, class iconextractor must in mainwindow.xaml.cs. cannot place elsewhere ?

your ivalueconverter class can anywhere want, including in assembly. based on use, need have resource somewhere accessible mainwindow class. easy way have in window resources.

<mainwindow.resources>     <my:iconextractor x:key="iconextractor"/> </mainwindow.resources>

you can use resources in app.xaml, since resources accessible xaml based classes in project. using app.xaml appeals me since can avoid duplicating effort if more 1 window in project use iconextractor.


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