GUI Refresh issue

[mmx_nexus]

Hi,

I have a bindinglist(source) of objects(Record) and the list is bound to a grid.Now,inside the object I have a callback method which gets invoked by a different thread to inform about a particular status to the user.The object has a field called status which gets updated inside the callback method.Now,since this change should be reflected in the GUI I have implemented INotifyPropertyChanged.But still it does’t get reflected.What ‘am I doing wrong?Is this the correct way to do it?

//GUI Thread
BindlingList<Record> source = new BindlingList<Records>();

myGrid.DataSource = source

//GUI Thread
public class Record: INotifyPropertyChanged
{
private string _status;
        public string Status
        {
            get{ return _status;}
            set
            {
                if (_status != value)
                {
                    _status = value;
                    NotifyPropertyChanged("Status");
                }
            }
        }

//BACKGROUND THREAD
Public void Callback(CustomStatus statusObj)
{
_status = statusObj.Status;
}

        public event PropertyChangedEventHandler PropertyChanged;

        private void NotifyPropertyChanged(String info)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(this, new PropertyChangedEventArgs(info));
            }
        }

}

Thanks in advance for your help.

Mmx

[BigEd781]

Are you assigning a delegate to the PropertyChangeEventHandler in your GUI class? I don't see it there.

[mmx_nexus]

I did't quite understand "assigning a delegate in GUI class".Can you explain a little bit more??

Please note that the object creation,adding to binding list etc all happends in GUI thread.Inside the object there is a callback method,which is called periodically by a service.

[BigEd781]

if (PropertyChanged != null)
{
     PropertyChanged(this, new PropertyChangedEventArgs(info));
}

Set a break point inside of that if statement. I bet it never gets hit. You need to handle the event from you GIU thread.

mygrid.PropertyChanged += new PropertyChangedEventHandler(mygrid_PropertyChanged);