Binary Viewer Saving data to a file
You can save current selection in a viewer to a file by pressing Ctrl+S, for by pushing Save As button on a toolbar, or by selecting Save As in File menu, or via popup meny that show up on right click in viewer.
If you need to save all content associated with some data structure in a file, just select that node in a tree, and its content will get selected in the viewer.
You are not limited to saving content associated with some specific node. You can select any block of bytes in the viewer and save it as a file.