System.Windows.Forms 1.0.5000.0 2.0.0.0 System.EventArgs System.Runtime.InteropServices.ComVisible(true) The event occurs when the user changes the value of a property, which is specified as a , in a . For more information about handling events, see [<topic://cpconEventsOverview>]. Provides data for the event of a . Constructor To be added. Initializes a new instance of the class. The item in the grid that changed. The old property value. 1.0.5000.0 2.0.0.0 Property System.Windows.Forms.GridItem To be added. To be added. Gets the that was changed. 1.0.5000.0 2.0.0.0 Property System.Object To be added. This property provides you with the value of the property as it was before the change was applied. You can find the new value by querying the property grid with the specified . The value of the grid item before it was changed. 1.0.5000.0 2.0.0.0