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I'm trying to display a ListBox inside of a GridViewColumn that needs to bind to a List of enums (List<ResourceType> Cost). The GridViewColumn's ListView is already bound to a collection of objects and I'm not really sure the best way to go about displaying the ListBox. Any suggestions?

SirBeastalot
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1 Answers1

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You can bind the ListBox to a list of enum values. An easy way to do that is to use the markup extension I posted here.

Then, you need to bind the SelectedItem of the ListBox to the property displayed in the GridViewColumn.

You should end up with something like that :

<GridViewColumn Header="Resource type">
    <GridViewColumn.CellTemplate>
        <DataTemplate>
            <ListBox ItemsSource="{local:EnumValues local:ResourceType}"
                     SelectedItem="{Binding SelectedResourceType}">
        </DataTemplate>
    </GridViewColumn.CellTemplate>
</GridViewColumn>

EDIT: I think I misread your question... If I understand correctly, each object displayed in the ListView has a Cost property of type List<ResourceType>, right ? (btw, the fact that ResourceType is an enum doesn't matter here). So you just need to bind the ListBox to the Cost property :

<GridViewColumn Header="Resource type">
    <GridViewColumn.CellTemplate>
        <DataTemplate>
            <ListBox ItemsSource="{Binding Cost}">
        </DataTemplate>
    </GridViewColumn.CellTemplate>
</GridViewColumn>
Community
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Thomas Levesque
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  • You beat me to it. You are correct. The first interpretation was a little off, but your edit hits the nail on the head. Curious though; why does it not matter that the `ResourceType` is an `enum`? Is it because WPF automatically calls the `ToString()` method on the selected `enum` and displays it? Thanks for the fast answer by the way. – SirBeastalot Jul 17 '10 at 19:14
  • Yes, that's it. Unless a DataTemplate is defined for the type, ToString is called to get a representation of the object – Thomas Levesque Jul 17 '10 at 21:05