internal static BindingInstance Initialize <TSource>(TSource dataContext, string sourcePath, Action <TSource> onValueChanged)
where TSource : INotifyPropertyChanged
{
var answer = new BindingInstance();
answer._dataContext = dataContext;
answer._propertyChangedHandler = (s, e) =>
{
System.Diagnostics.Debug.WriteLine("Binding: " + e.PropertyName);
if (e.PropertyName.Equals(sourcePath))
{
try
{
onValueChanged(dataContext);
}
catch
{
answer.Dispose();
}
}
};
dataContext.PropertyChanged += answer._propertyChangedHandler;
// Invoke right now
answer._propertyChangedHandler(dataContext, new PropertyChangedEventArgs(sourcePath));
return(answer);
}
/// <summary>
/// Right now only supports a single-level path. You need to hold onto the <see cref="BindingInstance"/> for as long as you'd like the binding to last.
/// </summary>
/// <param name="dataContext"></param>
/// <param name="sourcePath"></param>
/// <param name="onValueChanged"></param>
public static BindingInstance SetBinding <TSource>(this TSource dataContext, string sourcePath, Action <TSource> onValueChanged)
where TSource : INotifyPropertyChanged
{
return(BindingInstance.Initialize(dataContext, sourcePath, onValueChanged));
}