[Bug 40037] New: Docked Window Jumps when being dragged.

https://bugs.winehq.org/show_bug.cgi?id=40037

Bug ID: 40037
           Summary: Docked Window Jumps when being dragged.
           Product: Wine
           Version: 1.9.2
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Download these examples
http://www.bcgsoft.com/download/BCGControlBarProDemo.zip

Run the DockingView.exe example
Drag "View 1" title so that it undocks

Drag the window around the screen, it jump around the screen then back to the
mouse cursor.

This only happens on x86-64, x86 works fine.