Alvas.ShapeForms (Windows.Forms) is a collection of 100% native .NET framework managed controls written in C#. Collection allows developers to create high quality professional applications with nonrectangular forms. How to use Place some ShapeRegions or/and BitmapRegions on the form. Place RegionManager on the form and set your Form property to the current form. Set Form property of the RegionManager to true/false. Enjoy. Package contains: RegionBase which implements the basic functionality common to region controls. ShapeRegion which represents a shaped region. BitmapRegion which creates region from bitmap. RegionManager component which manages the interaction of controls, derived from RegionBase (ShapeRegion and BitmapRegion). See demo application for more info...