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IPrintingSystem.BeforeChange Event

Occurs before certain properties of the IPrintingSystem object are changed.

Namespace: DevExpress.XtraPrinting

Assembly: DevExpress.Data.v18.2.dll


event ChangeEventHandler BeforeChange
Event BeforeChange As ChangeEventHandler

Event Data

The BeforeChange event's data class is ChangeEventArgs. The following properties provide information specific to this event:

Property Description
EventName Gets the event name that initiated a ChangeEvent.

The event data class exposes the following methods:

Method Description
Add(String, Object) Initializes a new instance of the DevExpress.XtraPrinting.ChangeEventArgs.EventInfo class with the specified name and value and adds it to the collection.
ValueOf(String) Returns an object, containing information about the event with the specified name.


The printing system provides several events which occur before specific properties are changed. Classes that implement this interface specify which properties should generate the BeforeChange event prior to the change.

See Also