String value = Registry.GetValue(regKey, " ProgramFolder", " ") as string Resort to low tech solution string regKey = HKEY_LOCAL_MACHINE\SOFTWARE\Apple Computer, Inc.\iTunes" How do we know if iTunes is installed? The simplest way is to try to run it – if it isn't installed, this will throw an error.
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It is a design decision that we will work with both iTunes and Windows Media Player, but how do we know which the user wants to use? LyricsFetcher chooses iTunes, by default, if it is installed otherwise, it uses Windows Media Player (the user can easily change this within the application). Our first task is to decide what music library we are going to manage. Let's deal with the song management subsystem first. How do we give the user access to the above functional areas? For those songs where the title or artist are missing or suspect, how can we find the metadata for them? Once we have a list of songs, the area covers how we can find lyrics for them: where do we look, how do we fetch them. This covers how we find the music library, how we load the information about the songs, and how we write changes back into the library. From this simple description, it's clear that the project neatly divides into four functional areas: It can also try to find metadata (title and artist) for songs. The functional description of LyricsFetcher is simple: it loads a list of tracks from a music library, and then tries to find lyrics for those songs. LyricsFetcher gives an example of using a SOAP service as well as accessing resources through simple HTTP. LyricsFetcher gives an example of how easy it is to interact with other applications through their COM interfaces.
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LyricsFetcher shows how to interact with these systems. iTunes and Windows Media Player are the two most common media management applications on Windows (yes, I know there are others). iTunes and Windows Media Player integration.The application handles them in a multi-threaded fashion in order to stay responsive.
Several features of LyricsFetcher are long running operations. LyricsFetcher presents a full, non-trivial application that demonstrates the following techniques: This article is a programmer's guide for those who want to use/understand the code. The user guide for the application can be found here. Plus, it seemed like a fun task to tackle when I had nothing else to do. I know there are other mechanisms to do this ( iLyrics or MiniLyrics, for example), but none of them worked quite how I wanted. So was born LyricsFetcher, which takes the work out of tracking down lyrics for songs and updating them within your music library. But, I am also lazy – tracking down the lyrics for each new track/album I buy doesn't appeal to my inherent slothfulness. So, when I listen to songs, I like to know what the song is actually saying. The easiest way to find lyrics for your songs ForewordĪs Monty Python observed, not quite hearing what was said can have profound consequences.
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