BindableDynamicDictionary

/// <summary>
/// Bindable dynamic dictionary.
/// </summary>
public sealed class BindableDynamicDictionary : DynamicObject, INotifyPropertyChanged
{
    /// <summary>
    /// The internal dictionary.
    /// </summary>
    private readonly Dictionary<string, object> _dictionary;

    /// <summary>
    /// Creates a new BindableDynamicDictionary with an empty internal dictionary.
    /// </summary>
    public BindableDynamicDictionary()
    {
        _dictionary = new Dictionary<string, object>();
    }

    /// <summary>
    /// Copies the contents of the given dictionary to initilize the internal dictionary.
    /// </summary>
    /// <param name="source"></param>
    public BindableDynamicDictionary(IDictionary<string, object> source)
    {
        _dictionary = new Dictionary<string, object>(source);
    }
    /// <summary>
    /// You can still use this as a dictionary.
    /// </summary>
    /// <param name="key"></param>
    /// <returns></returns>
    public object this[string key]
    {
        get
        {
            return _dictionary[key];
        }
        set
        {
            _dictionary[key] = value;
            RaisePropertyChanged(key);
        }
    }

    /// <summary>
    /// This allows you to get properties dynamically.
    /// </summary>
    /// <param name="binder"></param>
    /// <param name="result"></param>
    /// <returns></returns>
    public override bool TryGetMember(GetMemberBinder binder, out object result)
    {
        return _dictionary.TryGetValue(binder.Name, out result);
    }

    /// <summary>
    /// This allows you to set properties dynamically.
    /// </summary>
    /// <param name="binder"></param>
    /// <param name="value"></param>
    /// <returns></returns>
    public override bool TrySetMember(SetMemberBinder binder, object value)
    {
        _dictionary[binder.Name] = value;
        RaisePropertyChanged(binder.Name);
        return true;
    }

    /// <summary>
    /// This is used to list the current dynamic members.
    /// </summary>
    /// <returns></returns>
    public override IEnumerable<string> GetDynamicMemberNames()
    {
        return _dictionary.Keys;
    }

    public event PropertyChangedEventHandler PropertyChanged;

    private void RaisePropertyChanged(string propertyName)
    {
        var propChange = PropertyChanged;
        if (propChange == null) return;
        propChange(this, new PropertyChangedEventArgs(propertyName));
    }
}

Source: stackoverflow.com

Similar codes

0 vote236 views1 answer
How to get point of collision in unity
C#Unity
0 vote183 views1 answer
C# is string nullable
C#
0 vote184 views2 answers
List string to int c#
C#
3 votes195 views2 answers
Asp textarea
C#
1 vote145 views2 answers
C# assigning image location
C#
0 vote173 views1 answer
Wpf rotate component
C#
2 votes186 views1 answer
C# check if is float
C#
0 vote208 views1 answer
How to save a dictionary as a csv file in c#
C#
0 vote175 views1 answer
Base64 bit string to pdf c#
C#
1 vote174 views1 answer
Difference between executescalar and executenonquery and executereader
C#