I asked the same question on Stackoverflow - how do i add reference to external resource dictionary and have it show up on my blend resource panel?
http://stackoverflow.com/questions/14682649/how-expression-blend-add-reference-to-external-resource-dictionary-defined-in-th
Hello Jeeshenlee.
To link to an item...
Project > Link To Existing Item > (Navigate to the external Resource Dictionary, select it and click ok.)
Rebuild.
Just know that any changes you make in the linked, you are making in the original.
~Christine
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