'Declaration Public Event DataSourceChanging As DataSourceChangingHandler
public event DataSourceChangingHandler DataSourceChanging
The event handler receives an argument of type DataSourceChangingEventArgs containing data related to this event. The following DataSourceChangingEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Cancel (Inherited from System.ComponentModel.CancelEventArgs) | |
| ChangeType | Returns a constant which describes the change that is about to take place. |
This event can be canceled to prevent the change from taking place.
This event is always raised on the same thread as that of the calling code.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2