You can find here the first version of a library called >TitleBarButton<, which offers adding and managing easily a new button to a window caption.
You can create your own button or use one of the two preset button functions available:
Rull-Up and Stay On Top functions
The actual big limitation of the library takes on than only one button can by add to the same window.
Nevertheless, source code is included and any suggestions, code advices and efforts are welcome.
The actual code version takes its inspiration into the jaPBe and TailBite source codes.
Thanks to their authors to have put them.
Thanks to the French forum too, for the beta test (One bug known on XPpro: button can disappear!!

Enjoy it!
Dräc.