示例#1
0
        public static MidiThruConnection[] Find(string persistentOwnerID, out MidiError error)
        {
            if (persistentOwnerID == null)
            {
                throw new ArgumentNullException(nameof(persistentOwnerID));
            }

            IntPtr ret;

            using (var nssstr = new NSString(persistentOwnerID)) {
                error = MIDIThruConnectionFind(nssstr.Handle, out ret);
            }
            using (var data = Runtime.GetNSObject <NSData> (ret)) {
                var typeSize  = Marshal.SizeOf(typeof(MidiThruConnectionRef));
                var totalObjs = (int)data.Length / typeSize;
                if (totalObjs == 0)
                {
                    return(null);
                }

                var basePtr     = data.Bytes.ToInt32();
                var connections = new MidiThruConnection[totalObjs];
                for (int i = 0; i < totalObjs; i++)
                {
                    connections[i] = new MidiThruConnection((uint)(basePtr + i * typeSize));
                }

                return(connections);
            }
        }
示例#2
0
        public static MidiThruConnection[] Find(string persistentOwnerID, out MidiError error)
        {
            if (persistentOwnerID == null)
                throw new ArgumentNullException (nameof (persistentOwnerID));

            IntPtr ret;
            using (var nssstr = new NSString (persistentOwnerID)) {
                error = MIDIThruConnectionFind (nssstr.Handle, out ret);
            }
            using (var data = Runtime.GetNSObject<NSData> (ret)) {
                var typeSize = Marshal.SizeOf (typeof (MidiThruConnectionRef));
                var totalObjs = (int) data.Length / typeSize;
                if (totalObjs == 0)
                    return null;

                var basePtr = data.Bytes.ToInt32 ();
                var connections = new MidiThruConnection[totalObjs];
                for (int i = 0; i < totalObjs; i++)
                    connections[i] = new MidiThruConnection ((uint)(basePtr + i * typeSize));

                return connections;
            }
        }