Bytescout Scan SDK for .NET provides classes to get images from scaner, web-camera or another image input devices in synchronous and asynchronous modes;

Benefits:
-ready
-to
-use class and ready
-to
-use scan options dialog;
-asynchronous image retrieving mode support;
-can scan to image objects or files (with filename template support);
-output image formats: BMP, JPG (with image quality control), PNG, TIFF (with compression method control);
-TWAIN and WIA devices support;