Update

subprojects/gstreamer-sharp/sources/generated/Gst/GstSharp.IteratorItemFunctionNative.cs

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+// This file was generated by the Gtk# code generator.
+// Any changes made will be lost if regenerated.
+
+namespace GstSharp {
+
+	using System;
+	using System.Runtime.InteropServices;
+
+#region Autogenerated code
+	[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
+	internal delegate int IteratorItemFunctionNative(IntPtr it, IntPtr item);
+
+	internal class IteratorItemFunctionInvoker {
+
+		IteratorItemFunctionNative native_cb;
+		IntPtr __data;
+		GLib.DestroyNotify __notify;
+
+		~IteratorItemFunctionInvoker ()
+		{
+			if (__notify == null)
+				return;
+			__notify (__data);
+		}
+
+		internal IteratorItemFunctionInvoker (IteratorItemFunctionNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
+
+		internal IteratorItemFunctionInvoker (IteratorItemFunctionNative native_cb, IntPtr data) : this (native_cb, data, null) {}
+
+		internal IteratorItemFunctionInvoker (IteratorItemFunctionNative native_cb, IntPtr data, GLib.DestroyNotify notify)
+		{
+			this.native_cb = native_cb;
+			__data = data;
+			__notify = notify;
+		}
+
+		internal Gst.IteratorItemFunction Handler {
+			get {
+				return new Gst.IteratorItemFunction(InvokeNative);
+			}
+		}
+
+		Gst.IteratorItem InvokeNative (Gst.Iterator it, GLib.Value item)
+		{
+			IntPtr native_item = GLib.Marshaller.StructureToPtrAlloc (item);
+			Gst.IteratorItem __result = (Gst.IteratorItem) native_cb (it == null ? IntPtr.Zero : it.Handle, native_item);
+			Marshal.FreeHGlobal (native_item);
+			return __result;
+		}
+	}
+
+	internal class IteratorItemFunctionWrapper {
+
+		public int NativeCallback (IntPtr it, IntPtr item)
+		{
+			try {
+				Gst.IteratorItem __ret = managed (it == IntPtr.Zero ? null : (Gst.Iterator) GLib.Opaque.GetOpaque (it, typeof (Gst.Iterator), false), (GLib.Value) Marshal.PtrToStructure (item, typeof (GLib.Value)));
+				if (release_on_call)
+					gch.Free ();
+				return (int) __ret;
+			} catch (Exception e) {
+				GLib.ExceptionManager.RaiseUnhandledException (e, true);
+				// NOTREACHED: Above call does not return.
+				throw e;
+			}
+		}
+
+		bool release_on_call = false;
+		GCHandle gch;
+
+		public void PersistUntilCalled ()
+		{
+			release_on_call = true;
+			gch = GCHandle.Alloc (this);
+		}
+
+		internal IteratorItemFunctionNative NativeDelegate;
+		Gst.IteratorItemFunction managed;
+
+		public IteratorItemFunctionWrapper (Gst.IteratorItemFunction managed)
+		{
+			this.managed = managed;
+			if (managed != null)
+				NativeDelegate = new IteratorItemFunctionNative (NativeCallback);
+		}
+
+		public static Gst.IteratorItemFunction GetManagedDelegate (IteratorItemFunctionNative native)
+		{
+			if (native == null)
+				return null;
+			IteratorItemFunctionWrapper wrapper = (IteratorItemFunctionWrapper) native.Target;
+			if (wrapper == null)
+				return null;
+			return wrapper.managed;
+		}
+	}
+#endregion
+}