Text Viewer
Used to display file content when calling the "Text View" for files in Changes tree context menu.
Hex Viewer
Used to display file content when calling the Hex View" for files in Changes tree context menu.
Registry Editor
Is called to open a key from changes tree.
To use your registry editor provide the path and command line switches.
%key% is replaced with the registry key path enclosed in double quoted
%keyx% is replaced with
the registry key path