[CoreMidi] Implement Xcode 16.0 beta 1-6 changes.

src/CoreMidi/MidiServices.cs

@@ -2544,6 +2544,23 @@ public bool UmpCanTransmitGroupless {
 				SetInt (MidiPropertyExtensions.kMIDIPropertyUMPCanTransmitGroupless, value ? 1 : 0);
 			}
 		}
+
+#if NET
+		[SupportedOSPlatform ("ios18.0")]
+		[SupportedOSPlatform ("maccatalyst18.0")]
+		[SupportedOSPlatform ("macos15.0")]
+		[UnsupportedOSPlatform ("tvos")]
+#else
+		[NoWatch, NoTV, Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+		public int AssociatedEndpoint {
+			get {
+				return GetInt (MidiPropertyExtensions.kMIDIPropertyAssociatedEndpoint);
+			}
+			set {
+				SetInt (MidiPropertyExtensions.kMIDIPropertyAssociatedEndpoint, value);
+			}
+		}
 		// MidiEndpoint 
 #endif // !COREBUILD
 	}
@@ -2557,6 +2574,14 @@ enum MidiNotificationMessageId : int {
 		ThruConnectionsChanged,
 		SerialPortOwnerChanged,
 		IOError,
+#if !MONOMAC
+#if NET
+		[SupportedOSPlatform ("ios")]
+		[SupportedOSPlatform ("maccatalyst")]
+		[UnsupportedOSPlatform ("macos")]
+#endif
+		InternalStart = 0x1000,
+#endif
 	}
 
 	//

src/CoreMidi/MidiStructs.cs

@@ -0,0 +1,165 @@
+#if !TVOS && !WATCH
+#nullable enable
+
+using System;
+using System.Runtime.InteropServices;
+
+using ObjCRuntime;
+using CoreFoundation;
+using Foundation;
+
+using MidiObjectRef = System.Int32;
+using MidiClientRef = System.Int32;
+using MidiDeviceRef = System.Int32;
+using MidiDeviceListRef = System.Int32;
+using MidiPortRef = System.Int32;
+using MidiEndpointRef = System.Int32;
+using MidiEntityRef = System.Int32;
+
+namespace CoreMidi {
+#if NET
+	[SupportedOSPlatform ("ios18.0")]
+	[SupportedOSPlatform ("maccatalyst18.0")]
+	[SupportedOSPlatform ("macos15.0")]
+	[SupportedOSPlatform ("tvos18.0")]
+#else
+	[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+	[NativeName ("MIDI2DeviceManufacturer")]
+	public struct Midi2DeviceManufacturer {
+		// Byte sysExIDByte[3]; // 1-byte SysEx IDs are padded with trailing zeroes
+		byte sysExIdByte0;
+		byte sysExIdByte1;
+		byte sysExIdByte2;
+
+		public byte [] SysExIdByte {
+			get {
+				return new byte [] { sysExIdByte0, sysExIdByte1, sysExIdByte2 };
+			}
+			set {
+				if (value is null)
+					ObjCRuntime.ThrowHelper.ThrowArgumentNullException (nameof (value));
+				if (value.Length != 3)
+					ObjCRuntime.ThrowHelper.ThrowArgumentOutOfRangeException (nameof (value), "Length must be 3");
+
+				sysExIdByte0 = value [0];
+				sysExIdByte1 = value [1];
+				sysExIdByte2 = value [2];
+			}
+		}
+	}
+
+#if NET
+	[SupportedOSPlatform ("ios18.0")]
+	[SupportedOSPlatform ("maccatalyst18.0")]
+	[SupportedOSPlatform ("macos15.0")]
+	[SupportedOSPlatform ("tvos18.0")]
+#else
+	[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+	[NativeName ("MIDI2DeviceRevisionLevel")]
+	public struct Midi2DeviceRevisionLevel {
+		// Byte revisionLevel[4];
+		byte revisionLevel0;
+		byte revisionLevel1;
+		byte revisionLevel2;
+		byte revisionLevel3;
+
+		public byte [] RevisionLevel {
+			get {
+				return new byte [] { revisionLevel0, revisionLevel1, revisionLevel2, revisionLevel3 };
+			}
+			set {
+				if (value is null)
+					ObjCRuntime.ThrowHelper.ThrowArgumentNullException (nameof (value));
+				if (value.Length != 4)
+					ObjCRuntime.ThrowHelper.ThrowArgumentOutOfRangeException (nameof (value), "Length must be 4");
+
+				revisionLevel0 = value [0];
+				revisionLevel1 = value [1];
+				revisionLevel2 = value [2];
+				revisionLevel3 = value [3];
+			}
+		}
+	}
+
+#if NET
+	[SupportedOSPlatform ("ios18.0")]
+	[SupportedOSPlatform ("maccatalyst18.0")]
+	[SupportedOSPlatform ("macos15.0")]
+	[SupportedOSPlatform ("tvos18.0")]
+#else
+	[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+	[NativeName ("MIDICIProfileIDStandard")]
+	public struct MidiCIProfileIdStandard {
+		public byte /* MIDIUInteger7 */ ProfileIdByte1;
+		public byte /* MIDIUInteger7 */ ProfileBank;
+		public byte /* MIDIUInteger7 */ ProfileNumber;
+		public byte /* MIDIUInteger7 */ ProfileVersion;
+		public byte /* MIDIUInteger7 */ ProfileLevel;
+	}
+
+#if NET
+	[SupportedOSPlatform ("ios18.0")]
+	[SupportedOSPlatform ("maccatalyst18.0")]
+	[SupportedOSPlatform ("macos15.0")]
+	[SupportedOSPlatform ("tvos18.0")]
+#else
+	[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+	[NativeName ("MIDICIProfileIDManufacturerSpecific")]
+	public struct MidiCIProfileIdManufacturerSpecific {
+		public byte /* MIDIUInteger7 */ SysExId1;
+		public byte /* MIDIUInteger7 */ SysExId2;
+		public byte /* MIDIUInteger7 */ SysExId3;
+		public byte /* MIDIUInteger7 */ Info1;
+		public byte /* MIDIUInteger7 */ Info2;
+	}
+
+#if NET
+	[SupportedOSPlatform ("ios18.0")]
+	[SupportedOSPlatform ("maccatalyst18.0")]
+	[SupportedOSPlatform ("macos15.0")]
+	[SupportedOSPlatform ("tvos18.0")]
+#else
+	[Watch (11, 0), TV (18, 0), Mac (15, 0), iOS (18, 0), MacCatalyst (18, 0)]
+#endif
+	[NativeName ("MIDICIProfileID")]
+	public struct MidiCIProfileId {
+		// This is a union between MidiCIProfileIdStandard and MidiCIProfileIdManufacturerSpecific, each with the same size (5 bytes)
+		// So declare a struct with 5 bytes, and then do some memory copies to convert to each element of the union.
+		byte /* MIDIUInteger7 */ Value0;
+		byte /* MIDIUInteger7 */ Value1;
+		byte /* MIDIUInteger7 */ Value2;
+		byte /* MIDIUInteger7 */ Value3;
+		byte /* MIDIUInteger7 */ Value4;
+
+		public unsafe MidiCIProfileIdStandard Standard {
+			get {
+				fixed (MidiCIProfileId* self = &this) {
+					return *(MidiCIProfileIdStandard*) self;
+				}
+			}
+			set {
+				fixed (MidiCIProfileId* self = &this) {
+					*self = *(MidiCIProfileId*) &value;
+				}
+			}
+		}
+
+		public unsafe MidiCIProfileIdManufacturerSpecific ManufacturerSpecific {
+			get {
+				fixed (MidiCIProfileId* self = &this) {
+					return *(MidiCIProfileIdManufacturerSpecific*) self;
+				}
+			}
+			set {
+				fixed (MidiCIProfileId* self = &this) {
+					*self = *(MidiCIProfileId*) &value;
+				}
+			}
+		}
+	}
+}
+#endif