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I have a user on Win7 reporting that the background color of VirtualTreeViews is black under any theme in Win7. The app is compiled with Delphi 12 and the master branch of VT. Earlier versions compiled with Delphi 11 and older version of VT appear to work fine. Is anyone aware of Vcl Styles issues in Win7? Was there any changes in Delphi 12 or VirtualTreeView that may have had an impact on this?

Specs: Delphi XE7, FMX, Win7, Win10, - Creating an App Tethering app for each platform (windows/android/tablet/laptop) I've had my share of problems in this app tethering endeavor but over-come most, if not all of them. In this latest issue I appear to have found a slight bug in the differences between Delphi XE7 and Delphi 12 (and I'm sure in previous version as well). Let me explain. 1. I have several demo app tethering that I created in Delphi XE7 for a windows 7 laptop and android 12 phone, and they work fine. I can send/receive text. 2. I have also create demo apps for app tethering in Delphi 11.2/12.0 for a windows 10 tablet and laptop, and they work fine. I can send/receive text. 3. The problem arrises when I create the same project in XE7, and using the same setup I would in the other app tethering (Password, Resource->Kind=value, Resource->Name=text, ResType=data) but that the send and receive app(s) do not find each other. So, the XE7 app tether cannot find that D11 or D12 app tethering and vise-versa. I need to create certain apps under XE7 for my daily windows 7 laptop because this is my main working computer. My other win10 tablet and laptop(s) are my secondary work devices. My question is, is there a work-around for this?