> I have some problems with the midiOutGetErrorText API using Csharp (VS.NET beta 2):
> [DllImport( "winmm.dll")]
> private static extern int midiOutGetErrorText(int err, ref string lpText,int uSize);

> use StringBuilder, like sample:

> I have some problems with the midiOutGetErrorText API using Csharp (VS.NET
> beta 2):

> [DllImport( "winmm.dll")]
> private static extern int midiOutGetErrorText(int err, ref string
lpText,int
> uSize);

> Everytime I call the function (using something like below) I get the "We
are
> sorry for the inconveniance" error screen in XP.

> int result;
> int OutErr = 8;   // Just as an exemple to retrieve error #8
> int MAXERRORLENGTH = 128; //Lenght of the return string
> string strMsg = new String('*',MAXERRORLENGTH); // The function is
supposed
> to return the error text in this string
> //Now I call the function and I get the error screen
> result = midiOutGetErrorText(OutErr, ref strMsg, MAXERRORLENGTH);

> I also tried without the "ref" keyword and it doesn't work as it returns
the
> exact same string (but I don't get the error).

> I have no problem at all with other MIDI functions like midiOutOpen,
> midiGetDevCaps and so on... They all work great except the
> midiOutGetErrorText.

> Any help will be appreciated
> Marc

> Hi Marc, glad you got your answer.  Q: would you be willing to share some
> simple examples for invoking MIDI API calls in C# (playing individual or
> groups of notes against a specific device would be cool)?  I posted a
> question about this several days ago, and the only response I got was
> someone else also wanting to know!

> Thanks,
> Richard

> Sorry my email got mixed up in my previous post. You can send your
questions

> Regards,
> Marc

> Hi Richard,

> I don't mind at all to share code with you and other people. Right now I'm
> making a class in C# that will have a lot of the MIDI functions (as I
don't
> know the existence of anything like it yet). If you have specific
questions
> just send me an email and I will be glad to help.

> Marc

> > Hi Marc, glad you got your answer.  Q: would you be willing to share
some
> > simple examples for invoking MIDI API calls in C# (playing individual or
> > groups of notes against a specific device would be cool)?  I posted a
> > question about this several days ago, and the only response I got was
> > someone else also wanting to know!

> > Thanks,
> > Richard

> I tried emailing but it keeps returning so I'll post here... I'm also trying
> to convert the MIDI API and Structs to C#... any change of sharing it with
> me?