Hello Stefan,

I have investigated and verified your issue. I have found a workaround in that if you set the Foreground property on the XamGrid in the UserControlMyOwnMix userControl to Black, then it won’t matter if the Windows 7 visual styles are switched off.

I have still asked our engineering staff to examine this further as this is a Visual Design flaw.  To ensure that it will receive attention, I have logged this behavior in our internal tracking system with a Development ID of 176434.  The next step will be for a developer to review my investigation and confirm my findings or to offer a fix, or other resolution.

I have created a private case for you that I will update when our development team offers a fix or other resolution. The case number is CAS-140788-V0V7P0.

You can view the status of the development issue connected to this case by selecting the "Development Issues" tab when viewing this case on the web site. 

Please let me know if you need more information.

Hello Stefan,

I have received an update from our development team regarding this issue. They have suggested a workarund be used for this issue. They have given the workaround to either set the XamGrid’s Foreground property to Black, or to follow the Style and Trigger below for the TabItemEx:

<Style TargetType=”{x:Type igWin:TabItemEx}”>
<Style.Triggers>
<Trigger Property=”IsSelected” Value=”True”>
<Setter Property=”Foreground” Value=”Black”/>
</Trigger>
</Style.Triggers>
</Style>

These workarounds will ensure consistent behavior in the different custom Windows styles and visual appearances.

Please let me know if you have any other questions or concerns on this matter.

Hello Stefan,

Just checking in, did you have any other questions or concerns on this matter?