This class encapsulates the event data for the PropertyGrid.PropertyValueChanged event. You can retrieve the GridItem that changed (from which you can also determine the new value of the property) and the OldValue of the object.

public class PropertyValueChangedEventArgs : EventArgs {
// Public Constructors
   public PropertyValueChangedEventArgs(GridItem changedItem, object oldValue);
// Public Instance Properties
   public GridItem ChangedItem{get; }
   public object OldValue{get; }
}

Hierarchy

System.Object System.EventArgs PropertyValueChangedEventArgs

Passed To

PropertyGrid.OnPropertyValueChanged(), PropertyValueChangedEventHandler.{BeginInvoke(), Invoke()}