Is it possible to create a \"transparent\" hwnd window ? What I mean by that is that there is no background or borders of that window but that only text is visible...like if
From your tag of hwnd, I'm assuming that you are working with C++ or at least have access to the Win32 API, there are plenty of resources to help you get started. The concept is called Window Compositing.
Transparent win32 window and text
Quick and Dirty Window Transparency
If you use WPF instead of C++, here's a link: Transparent Windows in WPF