Open a file in the Viewer.
<parameters> (can be combined using plus "+" character):
•<Default> – normal view file or folder size depending on selection (like by pressing F3).
•Alt – open file with Alternative Viewer, like by pressing Alt+F3.
•Embedded – open file with Embedded Viewer, like by pressing Shift+F3.
•TempWin – the opening viewer window is temporary.
•OneFolderSize – calculate size of selected folder.
•FolderSizes – calculate sizes of all or selected folders in the list.
•FixSizes – remember sizes of selected folders in the current folder.
•<Default> – open the current file from the file list.
•<file name> – file name to open (can be wrapped into quotes).