Well, supposedly you call a MySQL stored proc from VB the same way you would call a SQL Server stored proc:
Dim conn As ADODB.Connection
conn = New ADODB.Connection
conn.ConnectionString = "blah blah blah"
conn.Open
Dim cmd As ADODB.Command
cmd = New ADODB.Command
cmd.ActiveConnection = conn
cmd.CommandType = adCmdStoredProc
cmd.CommandText = "MySQLStoredProcName"
cmd.Execute
However, after a quick web search I have found that the current version of the MyODBC driver (3.51.11, I believe) does not support stored procedure calls. Unfortunately, it seems that you will have to wait until a new version of MyODBC that supports stored procs is made available. I did see some information that indicates that you can call MySQL stored procs in VB .NET, though.
Hope this helps.
I used to rock and roll every night and party every day. Then it was every other day. Now I'm lucky if I can find 30 minutes a week in which to get funky. - Homer Simpson