protected override void AddInterfaces()
{
base.AddInterfaces();
Tb.AddInterfaceImplementation(typeof(IReadonlyConfiguration));
}
protected virtual void AddRealtimeImplementation() => Tb.AddInterfaceImplementation(typeof(IRealtimeConfiguration));
protected virtual void AddInpcImplementation()
{
// todo: refactor this method?
Tb.AddInterfaceImplementation(typeof(INotifyPropertyChanged));
Tb.AddInterfaceImplementation(typeof(INotifyingConfiguration));
var field = Tb.DefineField(
"PropertyChanged",
typeof(PropertyChangedEventHandler),
FieldAttributes.Private);
var eventInfo = Tb.DefineEvent(
"PropertyChanged",
EventAttributes.None,
typeof(PropertyChangedEventHandler));
{
var ibaseMethod = typeof(INotifyPropertyChanged).GetMethod("add_PropertyChanged");
Debug.Assert(ibaseMethod != null, nameof(ibaseMethod) + " != null");
var addMethod = Tb.DefineMethod("add_PropertyChanged",
ibaseMethod.Attributes ^ MethodAttributes.Abstract,
ibaseMethod.CallingConvention,
ibaseMethod.ReturnType,
new[] { typeof(PropertyChangedEventHandler) });
var combine = typeof(Delegate).GetMethod("Combine", new[] { typeof(Delegate), typeof(Delegate) });
Debug.Assert(combine != null, nameof(combine) + " != null");
var generator = addMethod.GetILGenerator();
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldfld, field);
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Call, combine);
generator.Emit(OpCodes.Castclass, typeof(PropertyChangedEventHandler));
generator.Emit(OpCodes.Stfld, field);
generator.Emit(OpCodes.Ret);
eventInfo.SetAddOnMethod(addMethod);
}
{
var ibaseMethod = typeof(INotifyPropertyChanged).GetMethod("remove_PropertyChanged");
Debug.Assert(ibaseMethod != null, nameof(ibaseMethod) + " != null");
var removeMethod = Tb.DefineMethod("remove_PropertyChanged",
ibaseMethod.Attributes ^ MethodAttributes.Abstract,
ibaseMethod.CallingConvention,
ibaseMethod.ReturnType,
new[] { typeof(PropertyChangedEventHandler) });
var remove = typeof(Delegate).GetMethod("Remove", new[] { typeof(Delegate), typeof(Delegate) });
Debug.Assert(remove != null, nameof(remove) + " != null");
var generator = removeMethod.GetILGenerator();
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldfld, field);
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Call, remove);
generator.Emit(OpCodes.Castclass, typeof(PropertyChangedEventHandler));
generator.Emit(OpCodes.Stfld, field);
generator.Emit(OpCodes.Ret);
eventInfo.SetRemoveOnMethod(removeMethod);
}
{
var methodBuilder = Tb.DefineMethod("OnPropertyChanged",
MethodAttributes.Family | MethodAttributes.Virtual | MethodAttributes.HideBySig |
MethodAttributes.NewSlot, CallingConventions.HasThis, typeof(void),
new[] { typeof(string) });
var generator = methodBuilder.GetILGenerator();
var returnLabel = generator.DefineLabel();
generator.DeclareLocal(typeof(PropertyChangedEventHandler));
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldfld, field);
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Call, typeof(PropertyChangedInvoker).GetMethod("Invoke"));
generator.MarkLabel(returnLabel);
generator.Emit(OpCodes.Ret);
eventInfo.SetRaiseMethod(methodBuilder);
_onPropertyChangedMethod = methodBuilder.GetBaseDefinition();
}
}