I think there is a customized window style in Windows 7. like this :

And as you can see it's different from normal style :

How can i create a window with the style that you can see in the first picture ?
I think there is a customized window style in Windows 7. like this :

And as you can see it's different from normal style :

How can i create a window with the style that you can see in the first picture ?
What Delphi version? Delphi 2010 can do this natively:

You just have to play with the GlassFrame property of the form. You might also want to read my answer here, and make sure you also read the comments: Delphi support for Aero Glass and the DoubleBuffered property - what is going on and how do we use them?
those things are done with glass composition color.
take a look here: Changing the glass composition color (DWM) using delphi