static void OverrideModify(GLib.GType gtype, ModifyNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("modify")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private void InternalModify(Gtk.ITreeModel child_model, Gtk.TreeIter iter, GLib.Value value, int column) { ModifyNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("modify")); unmanaged = (ModifyNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(ModifyNativeDelegate)); } if (unmanaged == null) { return; } IntPtr native_iter = GLib.Marshaller.StructureToPtrAlloc(iter); IntPtr native_value = GLib.Marshaller.StructureToPtrAlloc(value); unmanaged(this.Handle, child_model == null ? IntPtr.Zero : ((child_model is GLib.Object) ? (child_model as GLib.Object).Handle : (child_model as Gtk.TreeModelAdapter).Handle), native_iter, native_value, column); Marshal.FreeHGlobal(native_iter); Marshal.FreeHGlobal(native_value); }
static void OverrideModify (GLib.GType gtype, ModifyNativeDelegate callback) { GtkTreeModelFilterClass class_iface = GetClassStruct (gtype, false); class_iface.Modify = callback; OverrideClassStruct (gtype, class_iface); }