Matt oi, i almost give up with this. i tried to add some lines like this, the scrollbar appear with PresentationFramework theme default. My target is use custom scrollbar too. I made a custom scrollbar and added into Style resource but still don't effect. What i'm missing;
<!--**************************
* STYLE: DataGridControl
************************** -->
<Style x:Key="tableViewBlackFlatGridControlStyle" TargetType="xcdg:DataGridControl">
<Style.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="/PresentationFramework.Aero;V3.0.0.0;31bf3856ad364e35;component\themes/aero.normalcolor.xaml" />
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Style.Resources>
