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Logging use of executables in Windows

This handy little tip can be used to log the use of .exe, .lnk, .pif, .bat, and .com files on your computer. All it needs is a little registry tinkering. Place this code in a module, and set the project startup object to 'Sub Main'


Sub Main()
If Command$ <> "" Then
Open "c:\apps\exelog.txt" For Append As #1
Print #1, Command$ & " " & CStr(Now)
Close #1
Call Shell(Command$, vbNormalFocus)
End If
End Sub

Registry Changes

The registry changes are:

HKEY_CLASSES_ROOT\exefile\shell\open\command to: "C:\exewrap.exe" "%1" %*
HKEY_CLASSES_ROOT\lnkfile\shell\open\command to: "C:\exewrap.exe" "%1" %*
HKEY_CLASSES_ROOT\piffile\shell\open\command to: "C:\exewrap.exe" "%1" %*
HKEY_CLASSES_ROOT\batfile\shell\open\command to: "C:\exewrap.exe" "%1" %*
HKEY_CLASSES_ROOT\comfile\shell\open\command to: "C:\exewrap.exe" "%1" %*

What happens it that instead of running the program directly, Windows calls our program, which logs filename and time, and then calls the program.



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