Learn how to save a Windows region to a file with GetRegionData and how to load and re-create it with ExtCreateRegion the Win32 API way.
Latest Using regions Articles
Learn how .NET enables you to easily allow your users to create a cropping area of an image with the mouse and then create a new image consisting of only that cropped area.
Creating a 24-Bit Per Pixel Subregion of a 24-Bit Per Pixel Bitmap
A tool to convert bitmaps to region files