GanttView.AddingNewPredecessorLink Event

Occurs before creating a new link and allows you to change the newly creating link.

Namespace: DevExpress.Xpf.Gantt

Assembly: DevExpress.Xpf.Gantt.v25.1.dll

NuGet Package: DevExpress.Wpf.Gantt

Declaration

C#

public event EventHandler<AddingNewPredecessorLinkEventArgs> AddingNewPredecessorLink

VB.NET

Public Event AddingNewPredecessorLink As EventHandler(Of AddingNewPredecessorLinkEventArgs)

Event Data

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

Property	Description
Handled	Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. Inherited from RoutedEventArgs.
LinkType	Gets the type of a newly created link.
NewPredecessorLink	Gets or sets a newly created predecessor link.
OriginalSource	Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs.
PredecessorTask	Gets the predecessor task.
RoutedEvent	Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. Inherited from RoutedEventArgs.
Source	Gets or sets a reference to the object that raised the event. Inherited from RoutedEventArgs.
Task	Gets the successor task.

The event data class exposes the following methods:

Method	Description
InvokeEventHandler(Delegate, Object)	When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation. Inherited from RoutedEventArgs.
OnSetSource(Object)	When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes. Inherited from RoutedEventArgs.