Image Viewer CP Pro ActiveX Control ReferenceMethods CovertTo4bpp Image Viewer CP ActiveX Control ConvertTo4bpp Convert current image to 4 bit palette color image. Public Function ConvertTo4bpp() No Parameter No Return ValueExample Visual Basic SyntaxImageViewer1.FileName ="c:\newphoto1.tif"ImageViewer1.ConvertTo4bppImageViewer1.Save "c:\newoutput", "bmp"