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Reinier
1075
UltraGrid freezes when bound to specific structure
posted

Hello,

We've upgraded our project to .NET 4.0 en Infragistics V14.1. However, a grid that used to work now seems to freeze with our data structure. I've narrowed it down to a small data structure. An example is below. I know the data structure doesn't really make sense, but it does in our project.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Forms;
using Infragistics.Win.UltraWinGrid;

namespace WindowsFormsApplication1 {
  public partial class Form1 : Form {
    private readonly BindingList<Template> Templates = new BindingList<Template>();

    public Form1() {
      InitializeComponent();
    }

    protected override void OnLoad(EventArgs e) {
      base.OnLoad(e);

      var ultraGrid1 = new UltraGrid();
      Controls.Add(ultraGrid1);

      ultraGrid1.DataSource = Templates;
    }

  }

  public class Template : IListOfTasks {
    //[Browsable(false)]
    public IList<Task> Processes { get; private set; }

    public Template() {
      Processes = new List<Task>();
    }

    #region ITasks Members

    //[Browsable(false)]
    public IList<Task> ListOfTasks { get { return Processes; } }

    #endregion
  }

  public class Task : IListOfTasks {
    public IList<Task> Subtasks { get; private set; }

    public Task() {
      Subtasks = new List<Task>();
    }

    #region ITasks Members

    public IList<Task> ListOfTasks { get { return Subtasks; } }

    #endregion
  }

  public interface IListOfTasks {
    IList<Task> ListOfTasks { get; }
  }

}

Could you please take a look why it freezes? If you comment out both [Browsable(false)], it does work, so that is the workaround I'm using now. But I hope I can make this work without any workarounds.

I'm using version 14.1.20141.2059. Just to clarify, it did work in the previous version we used: v10.3.

Thanks in advance.