Hello,
Below is my code to merge the tiff files.
using (Merger merger = new Merger(firstFile))
{
ImageJoinOptions joinOptions = new ImageJoinOptions(FileType.TIFF, ImageJoinMode.Horizontal);
foreach (var fil…...Please use this code - Merge to paged TIFF . The key difference is... This applies only to multi-page images like TIF and TIFF files...