Use this settings tab to select which files to process.
Files to process
Selected files. Select this option to process only the currently selected files in the thumbnail view.
Current folder. Select this option to process the files located in the currently selected folder in the folder tree.
Current tree. Select this option to process the files in the currently selected folder and all of its sub-folders.
File name mask. Check this option to further restrict processing to a specific set of files, using a mask (entered in the next field). If this option is not selected, ThumbsPlus will process all selected types.