AvisMap GIS Engine is a comprehensive SDK for the development of custom GIS applications and solutions. This SDK provides several ActiveX (OCX) controls which support Visual Basic, VB.NET, C#, Visual C++ and other ActiveX compatible programming languages, with Microsoft Visual Studio versions 6, 2003, 2005, and Express. Supports .NET via COM.

GdImageBox OCX is an Image Viewer Control delivered as ActiveX which supports many image formats like tif, gif, jpg, png, wmf, wbmp, pcx, pnm, j2k, hdr, psd, tga, jng, exr, dds, ppm, sgi, koala, iff and others... With GdImageBox you can display image quickly, scroll image, zoom on area of an image, apply rotation, brows through a multi-page image... GdImageBox can be used from any development environment that supports ActiveX/COM technology