[Bug 57102] New: Textbox-border is missing if textbox is on topmost layer of e. g. a TabControl.

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=57102

Bug ID: 57102
           Summary: Textbox-border is missing if textbox is on topmost
                    layer of e. g. a TabControl.
           Product: Wine
           Version: 9.16
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 76984
  --> https://bugs.winehq.org/attachment.cgi?id=76984
First tabpage of an .NET-application

Since 9.16 some textboxes have no rendered border. It happens only on topmost
layer of an .NET-Control.

See .NET-example as attachment.

Stable 9.0 works fine. And with 9.15 I didn´t notice this effect, too.