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iTunes Control Using VB.NET

, 28 Nov 2006
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Exploring the iTunes interface using VB.

Introduction

Long have I searched for an article on using iTunes through VB; there are many examples in C flavours, even Java, but few using VB. The iTunes SDK details what is available, but has little on usage.

Background

iTunes is a wonderful player, relatively uncomplicated in its use, no adverts or unnecessary gadget like interfaces. I had several reasons for exploring the use of my own interface to it main one being I have an iPod, and want to get information off it and back to the PC. The drive for writing this code was the annoying habit iTunes has of drag and drop of playlists, fine if you are using a mouse as you have to hold down the mouse but I was writing an application that uses a touch screen and drag and drop plays havoc with the playlists. As a result the playlists and tracklists on the form of this application are quite large to make nice landing zones for fingers.

Using the code

You do not need the iTunes SDK to access iTunes, it just helps to start to locate what you want, though I have found that some features are not exposed in the IDE. Also, some of the types do not expose either, which is frustrating as you have to remember to press Escape to prevent the nearest name, usually a collection of the same type, being filled in by the IDE. For example, typing Dim objPlayList as iTunesLib.IITPlayList will produce Dim objPlayList as iTunesLib.IITPlayListCollection, as IITPlayList is not exposed.

To use the code, you must have iTunes installed and add a reference to your project of the COM interface "iTunes  x.x Type Library" where x.x is the version installed with the iTunes version; mine was version 1.8 with version 7.0.1.8 of iTunes, and the COM interface ITDetector.

One item I can not get to work is the iTunes events, running it through the debugger shows that the event subroutines get fired but do not entirely execute for some reason; complete mystery, and if anyone solves, it I would be interested.

Points of Interest

Whilst I enjoyed solving the problem, the lack of documentation and very few examples I could find on the subject for VB did make it frustrating, which is why I decided to share this code. Good Luck.

History

Updated version. Added Try blocks for the iTunes application.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Michael_Davies
Retired
United Kingdom United Kingdom
No Biography provided

Comments and Discussions

 
QuestionEditing PinmemberMember 880234412-Apr-12 8:54 
AnswerRe: Editing Pinmembersamyeling12-Apr-12 9:08 
you may use and modify the code as you see fit.
 
good luck
GeneralInterop.iTunesLib.dll Pinmembersumedhaswamy2-Sep-10 15:39 
GeneralRe: Interop.iTunesLib.dll PinmemberMichael_Davies2-Sep-10 21:34 
GeneralGetting the Track Name to update itself PinmemberI, the Deceiver27-Aug-10 20:09 
GeneralListing all songs Pinmemberehrenberg15-Jun-10 12:05 
GeneralRe: Listing all songs PinmemberMichael_Davies16-Jun-10 8:01 
GeneralRe: Listing all songs Pinmemberehrenberg17-Jun-10 6:22 
GeneralMy vote of 2 PinmvpDave Kreskowiak28-Aug-09 18:17 
GeneralRe: My vote of 2 PinmemberMichael_Davies16-Jun-10 7:54 
GeneralClosing iTunes Window Pinmembersvalerio4-Jun-08 4:00 
GeneralRe: Closing iTunes Window PinmemberMichael_Davies4-Jun-08 23:39 
GeneralRe: Closing iTunes Window PinmemberMichael_Davies4-Jun-08 23:54 
QuestionPlaying specific songs Pinmemberpftburger8-Oct-07 11:55 
AnswerRe: Playing specific songs PinmemberMichael_Davies9-Oct-07 3:18 
GeneralRe: Playing specific songs Pinmemberpftburger9-Oct-07 3:31 
GeneralRe: Playing specific songs PinmemberJoeRip10-Nov-07 18:13 
Generalnice PinmemberTollyver9-Apr-07 21:25 
GeneralRe: nice PinmemberMichael_Davies13-Apr-07 3:42 
GeneralNice! PinmemberLeonardo Paneque29-Nov-06 15:55 
GeneralRe: Nice! Pinmembercrossreferance3-Feb-07 0:35 
GeneralRe: Nice! PinmemberMichael_Davies13-Apr-07 3:39 
GeneralITDETECTORLib Pinmembersheepy89826-Nov-06 8:38 
GeneralRe: ITDETECTORLib [modified] PinmemberMichael_Davies26-Nov-06 21:44 
GeneralRe: ITDETECTORLib Pinmembersheepy89817-Dec-06 18:17 

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