Using this simple tip, you can block your application to be executable only once per windows sessions. To run application again, Windows must be restarted before.
Standard text cursor is boring. What about replacing default vertical line with some cool shape?
Detecting clipboard change is very similar to detecting system time change. We will detect WM_DRAWCLIPBOARD system message.
If you want to know how many bytes of memory is using your process, here is simple example.
To get full path to application associated with any file type, we need standard ShellAPI unit and the rest will do the FindExecutable function.