Improve ListView repainting when the custom empty text / loading text is displayed.
Parse the event-viewer's command line, allowing for specifying a remote computer to connect (WIP) as well as log file(s) to be opened. See also Managing event logs from the command (and also here) (Windows 2k/2k3/XP), and MyEventViewer by Nir Sofer (3rd party) for some inspiration.
Implement action context menus for the event logs (treeview) and the event items (listview).