I logged a feature request
on your behalf for a MultiColumnComboBox DropDownElementStyle property
. Vote for it in order to increase its priority. I have also updated your telerik points as a small gesture of gratitude for bringing this to our attention.
Meanwhile, I would suggest you to use an implicit style targeting RadGridView in order to style the drop down GridView. in case you want to avoid styling the same way another RadGridView control in your application, you can set this style in MultiColumnComboBox resources. In case you use NoXaml binaries
, please make sure to base this style to RadGridViewStyle.
You can also check GridView ItemsSourceProvider
help article for a reference on the available RadGridView properties.
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