I've been playing around with SketchFlow from Microsoft and one thing that bothers me is that I cannot seem to find a window looking like sketch.
I would like it to have title bar and 3 "buttons" like all normal windows do (minimize, maximize, close buttons).
In Balsamiq Mockups this is very easy, however I don't see any kind of window-like sketches in SketchFlow.
I'm trying to mockup future desktop application.
You are correct that there isn't one built in. In SketchFlow you can easily make "component" screens that can be used multiple times. To create what you are looking for you could combine a sketch rectangle, with a couple of buttons and a textbox. You can select all of this content, right click it and make it into a component screen.