public override void SetValue(object obj, object val, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
{
if (!IsStatic)
{
if (obj == null)
{
throw new TargetException("Non-static field requires a target");
}
if (!DeclaringType.IsAssignableFrom(obj.GetType()))
{
throw new ArgumentException(string.Format(
"Field {0} defined on type {1} is not a field on the target object which is of type {2}.",
Name, DeclaringType, obj.GetType()),
"obj");
}
}
if (IsLiteral)
{
throw new FieldAccessException("Cannot set a constant field");
}
if (binder == null)
{
binder = Type.DefaultBinder;
}
CheckGeneric();
if (val != null)
{
RuntimeType fieldType = (RuntimeType)FieldType;
val = fieldType.CheckValue(val, binder, culture, invokeAttr);
}
SetValueInternal(this, obj, val);
}
protected virtual void EnsureContextIsAssignanbleFromDeclaringType()
{
if (Context != null)
{
Type contextType = Context.GetType();
if (!DeclaringType.IsAssignableFrom(contextType))
{
throw new MemberAccessException(string.Format("The type {0} is not assignable from type {1}", DeclaringType.Name, contextType));
}
}
}
public override object GetValue(object obj)
{
if (!IsStatic)
{
if (obj == null)
{
throw new TargetException("Non-static field requires a target");
}
if (!DeclaringType.IsAssignableFrom(obj.GetType()))
{
throw new ArgumentException(string.Format(
"Field {0} defined on type {1} is not a field on the target object which is of type {2}.",
Name, DeclaringType, obj.GetType()),
"obj");
}
}
if (!IsLiteral)
{
CheckGeneric();
}
return(GetValueInternal(obj));
}
public override void SetValue(object obj, object val, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
{
if (!IsStatic)
{
if (obj == null)
{
throw new TargetException("Non-static field requires a target");
}
if (!DeclaringType.IsAssignableFrom(obj.GetType()))
{
throw new ArgumentException(string.Format(
"Field {0} defined on type {1} is not a field on the target object which is of type {2}.",
Name, DeclaringType, obj.GetType()),
"obj");
}
}
if (IsLiteral)
{
throw new FieldAccessException("Cannot set a constant field");
}
if (binder == null)
{
binder = Binder.DefaultBinder;
}
CheckGeneric();
if (val != null)
{
object newVal;
newVal = binder.ChangeType(val, type, culture);
if (newVal == null)
{
throw new ArgumentException("Object type " + val.GetType() + " cannot be converted to target type: " + type, "val");
}
val = newVal;
}
SetValueInternal(this, obj, val);
}
public bool IsForType(Type type)
{
return(DeclaringType.IsAssignableFrom(type));
}
