NSWindow with round corners and shadow

Question

I\'m trying to crate a NSWindow without title bar (NSBorderlessWindowMask) with round corners and a shadow, similar to the below \"Welcome

Answer 1

There is a sample application on the Apple Developer Site that may help you with that. This sample demonstrates how to create windows with custom shapes, no title bar, and transparent content. It also shows how to change the shape of the window and recalculate the drop shadow around the window border.