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Dave Veitch
50
Design Time column layout with binding to View Model
posted

Hi

I have a XamDataGrid which I want to bind to a custom collection exposed by my view model. This works fine at runtime if I specify my binding in the usual way (DataSource="{Binding Path=MyCollection}"), but this doesn't give me any design-time indication of the column layout.

I can get my columns to appear at design time by specifying the datasource collection type like so:

<Custom:XamDataGrid.DataSource>
  <data:MyCollectionType xmlns:data="clr-namespace:MyNamespace" />
</Custom:XamDataGrid.DataSource>

However, then I can't declare my binding in XAML, as the designer complains that the DataSource is set more than once.

I can get around this by resetting the DataSource in code, but I'd prefer to keep everything declarative... Can it be done?