TriggerAction and MethodParameters

TriggerAction and MethodParameters

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Smith866 posted on Monday, June 14, 2010


I was wondering if it was possible to send multiple parameters to a method that gets invoked by TriggerAction?  I am able to pass a single value using the MethodParameter attribute, but I need to be able to pass multiple values.  How can I do this?


RockfordLhotka replied on Monday, June 14, 2010

Normally you don't pass any parameters to a viewmodel method. The MethodParameter concept is there as an emergency fallback for a few edge cases where you need access to an otherwise non-bindable value.

The way this should work is that you bind the properties you need from the UI to properties on your viewmodel. Then use TriggerAction to invoke a method on the viewmodel, and that method can use the property values to get the information required.

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