Rundll32 usage tips use shell to open the Select File Dialog Box and other

Rundll32 contains many system commands. The following is a collection of commands that rundll32 can execute.

To bring up the "format-3 1/2 floppy (A :)" window:
Rundll32.exe shell32.dll, shformatdrive

To bring up the control panel "date/time properties" window:
Rundll32.exe shell32.dll, control_rundll TimeDate. CPL

To bring up the control panel "Display Properties" window:
Rundll32.exe shell32.dll, control_rundll desk. CPL

To bring up the control panel "Display Properties" window and open the third tab (the third tab is 2 because the first tab is 0 ):
Rundll32.exe shell32.dll, control_rundll TimeDate. CPL, @ 0, 2

To bring up the control panel "network" window:
Rundll32.exe shell32.dll, control_rundll netcpl. CPL

To bring up the control panel "System Properties" window:
Rundll32.exe shell32.dll, control_rundll sysdm. CPL

To shut windows down using the Windows 3.1 API:
Rundll user, exitwindows
Or you can use the number that Quick View displays alongside the function name:
Rundll user, #7

To try for a reboot using the Windows 3.1 API:
Rundll user, exitwindowsexec
Or
Rundll user, #246.

To shut windows down using the Win32 API
Rundll32 user.exe, #7

Make a beep
Rundll user, messagebeep
Rundll32 user.exe, messagebeep
Rundll3user.exe, #104

Shuts Off com2 serial port if the port was opened under the Windows 3.1 API
Rundll user, closecomm
Rundll32 user.exe, closecomm
Rundll3user.exe, #207

Polite windows restart
Rundll user, exitwindowsexec

Polite power off
Rundll user, exitwindows
Rundll32 user.exe, exitwindows
Rundll32 user.exe, #7

Forced immediate Logoff
Rundll32 user32.dll, exitwindowsex

Open Dun (Dial Up Networking exported file ):
Rundll32.exe rnaui. dll, rnarunimport

Start a dialup connection by name
Rundll32.exe rnaui. dll, rnadial % 1

NetMeeting speeddial CNF:
Rundll32.exe msconf. dll, openconflink % L

H.323-or-Intel iPhone Internet Telephony:
Rundll32.exe msconf. dll, newmediaphone % L

URL callto:
Rundll32.exe msconf. dll, calltoprotocolhandler % L

URL:
Rundll32.exe shdocvw. dll, Openurl % L

URL rlogin/Telnet/tn3270:
Rundll32.exe URL. dll, telnetprotocolhandler % L

Email rfc822 EML:
Rundll32.exe C: \ WINDOWS \ SYSTEM \ mailnews. dll, emlfilehandler

News rfc822 NWS:
Rundll32.exe C: \ WINDOWS \ SYSTEM \ mailnews. dll, news_rundll

URL file:
Rundll32.exe URL. dll, fileprotocolhandler % L

URL mailto:
Rundll32.exe C: \ WINDOWS \ SYSTEM \ mailnews. dll, mail_rundll

INF install:
C: \ windows \ rundll.exe setupx. dll, installhinfsection defaultinstall 132

INF active install
Rundll32.exe advpack. dll, launchinfsection % 1, defainstall install

New briefcase
C: \ windows \ rundll32.exe syncui. dll, briefcase_create % 1! D! % 2

New lnk
Rundll32 appwiz. CPL, newlinkhere % 1

Open AIF
Rundll32 amovie. ocx, rundll % 1

Play AIF
Rundll32 amovie. ocx, rundll/play/Close % 1

Open auf
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/Open % 1

Play auf
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/play/Close % 1

Open Avi
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/Open % 1

Play Avi
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/play/Close % 1

Open Channel File
Rundll32 cdfview. dll, openchannel % L

Subscribe to channel
Rundll32 cdfview. dll, subscribe % L

Print html
Rundll32.exe C: \ WINDOWS \ SYSTEM \ mshtml. dll, printhtml "% 1"

Printto html
Rundll32.exe C: \ WINDOWS \ SYSTEM \ mshtml. dll, printhtml "% 1" "% 2" "% 3" "% 4"

Open MIDI
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/Open % 1

Play MIDI
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/play/Close % 1

Open mov
Rundll32 amovie. ocx, rundll % 1

Play mov
Rundll32 amovie. ocx, rundll/play/Close % 1

Open MPEG
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/Open % 1

Play MPEG
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/play/Close % 1

Open Sound
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/Open % 1

Play Sound
C: \ windows \ rundll32.exe C: \ WINDOWS \ SYSTEM \ amovie. ocx, rundll/play/Close % 1

Open unknown File
C: \ windows \ rundll32.exe shell32.dll, openas_rundll % 1

Install Screensaver
C: \ windows \ rundll32.exe desk. CPL, installscreensaver % L

More great rundll tips:
Http://www.mvps.org/vb/tips/shellcpl.txt

Http://www.rgagnon.com/pbdetails/pb-0204.html