I set the Thumbnail Viewer properties's MultiSelect=true. when I multiselect some files. but how to get current file selected is multi select or single select ? only use For(int i; i< Thumbnail.ItemCount;i++) to get it ?

Hi. I want to insert some pages from scanner when some pages has been scaned and displayed in gdviewer. I can not found some like that samples. I don't know how to do,output file format is Tiff.