Hi Silvio,
Thank you for using our Syncfusion Products,
Yes it is possible to obtain a window with title alone. We have prepared a sample that tries to meet your requirement. In our sample, we have edited the height of the stackpanel which contains the title button such as Maximum, Restore, Close Button using ChromlessWindow Template. Please download the sample from following location:
Sample:
ChromelesswindowRegards,
Vijayalakshmi V.R.