protected void SetFieldValue(string propertyName, string filedName, object value)
{
PropertyInfo pi = this.GetType().GetProperty(propertyName);
FieldInfo fi = this.GetType().GetField(filedName, BindingFlags.NonPublic
| BindingFlags.Public | BindingFlags.Instance);
if (fi.GetValue(this) == value) return;
PropertyChangingEventArgs e = new PropertyChangingEventArgs() { PropertyName = pi.Name, PropertyValue = pi.GetValue(this, null) };
OnPropertyChanging(e);
if (!e.Cancel)
{
fi.SetValue(this, value);
OnPropertyChanged(new PropertyChangedEventArgs() { PropertyName = pi.Name, PropertyValue = pi.GetValue(this, null) });
}
}
protected virtual void OnPropertyChanging(PropertyChangingEventArgs e)
{
if (PropertyChanging != null)
PropertyChanging(this, e);
}
protected virtual void OnPropertyChanging(PropertyChangingEventArgs e)
{
if (PropertyChanging != null)
PropertyChanging(this, e);
}