GdViewer OCX是一个低成本且可无限分发的图像、PDF浏览组件，支持许多图像格式，如：tiff, gif, jpeg, jbig, png, wmf, bmp, wbmp, pdf, pdf/a, pcx, pnm, j2k, jp2, hdr, psd, tga, jng, exr, dds, ppm, sgi, pbm, pgm, pfm, xbm, xpm, koala等，可在任何支持ActiveX控件的32位和64位Windows开发环境中调用（如Access, Visual C++, Visual Basic, Realbasic, Visual Foxpro, Delphi, Visual Studio .Net, MS Access, Windev, PowerBuilder等）。使用GdViewer OCX您能查看，缩放，打印，旋转，自定义显示区域，缩放领域，播放动态GIF图像 ，显示多页TIFF文件，显示PDF文件，使用自定义的放大或缩小值，使用键盘滚动图像，设置反锯齿显示方式...

GdViewer OCX is a low cost and royalty free Image Viewer OCX and PDF Viewer OCX control that supports a lot of image format like tiff, gif, jpeg, jbig, png, wmf, bmp, wbmp, pdf, pdf/a, pcx, pnm, j2k, jp2, hdr, psd, tga, jng, exr, dds, ppm, sgi, pbm, pgm, pfm, xbm, xpm, koala, iff... It can be used from any 32-bit and 64-bit Windows development environment that can call ActiveX components (Access, Visual C++, Visual Basic, Realbasic, Visual Foxpro, Delphi, Visual Studio .Net, MS Access, Windev, PowerBuilder etc...) With GdViewer OCX you can view, zoom, print, rotate, Define Display Area, zoom on area, play animated gif, display multi pages tiff files, display pdf file, use Defined Zoom in or Zoom out value, use keyboard to scroll image, set antialiasing display mode....