Help asked identifying windows 7 explorer window area

[m.klozen]

Hi,
Can someone tell me where to find the RED marked area in the explorer window.
I have searched in the msstyle , shellstyle.dll and explorer.dll  and after 3 days giving up !!
If someone could give me directions i would be a happy man again.

greetings marco

[3am]

It's part of your top frame images:

With shadows:

Windows & Caption Buttons > Aero > DWM Window > Frames > Window > Top > Active
Windows & Caption Buttons > Aero > DWM Window > Frames > Window > Top > Inactive
Windows & Caption Buttons > Aero > DWM Window > Frames > Window > Top > MaxActive
Windows & Caption Buttons > Aero > DWM Window > Frames > Window > Top > MaxInactive

Without shadows:

Windows & Caption Buttons > Aero > DWM Window > Frames > Shadowless Window > Normal > Top > Active
Windows & Caption Buttons > Aero > DWM Window > Frames > Shadowless Window > Normal > Top > Inactive