How to change and find Autoplay setting?

(Application Picker dialog from XP)

Application Picker is a dialog which will show-up when you insert DVD title or new medium in your computer. It show all playable application and let you to choose one from the list.

One day, I just woundering where can I find the setting? How could I change the autoplay icon?  How could change the autoplay string?

Here is the detail document from MSDN: Preparing Hardware and Software for Use with AutoPlay

In follows steps, I will show you how to use "REGEDIT.EXE" to find out the setting and how it work.

1. In Windows XP command line run "regedit"
2. Find the Event handler in:
   [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\EventHandlers]
   
3. The Event handler show the all kind event which come from Windows, find out "PlayDVDMovieOnArrival". This is all application picker list when you insert DVD movie title into your computer.
   
   [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\EventHandlers\PlayDVDMovieOnArrival]
   "MSOpenFolder"=""                           // For Open folder
   "RPPlayDVDMovieOnArrival"=""         //Use Real play to playback movie
   "MPCPlayDVDMovieOnArrival"=""      //Use media player to playback movie.
   
4. Ok this is the first step.Then we will go to "Handlers" to figure out how it work and what application it used.
   [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers]
   
5. Every item in "Handlers" is presented a application. Let me show Media Player for your reference:
   [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers\MSPlayDVDMovieOnArrival]
   "Action"="@wmploc.dll,-6504"                //Will show in dialog "Play DVD Movie"
   "Provider"="@wmploc.dll,-6502"             //Provider name "Using Windows Media Player"
   "InvokeProgID"="WMP.DVD"                   //Application ID which you can find in GUID.
   "InvokeVerb"="play"                               //Playback command
   "DefaultIcon"=hex(2):25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,\
     00,6c,00,65,00,73,00,25,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,\
     20,00,4d,00,65,00,64,00,69,00,61,00,20,00,50,00,6c,00,61,00,79,00,65,00,72,\
     00,5c,00,77,00,6d,00,70,00,6c,00,61,00,79,00,65,00,72,00,2e,00,65,00,78,00,\
     65,00,2c,00,30,00,00,00
6. If you want to change any of it, just do it. Before you change anything, please remember to backup your registry setting.

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