GanttView.PredecessorLinkEdited Event
Occurs when an end user has finished editing a predecessor link (connector), and allows you to cancel the link editing. This is a routed event.
Namespace: DevExpress.Xpf.Gantt
Assembly: DevExpress.Xpf.Gantt.v24.2.dll
NuGet Package: DevExpress.Wpf.Gantt
#Declaration
public event EventHandler<PredecessorLinkEditedEventArgs> PredecessorLinkEdited
#Event Data
The PredecessorLinkEdited event's data class is PredecessorLinkEditedEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Cancel | Gets or sets whether the applied changes must be canceled. |
Change |
Gets a type of change an end user made (created, deleted, or changed a predecessor link). |
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 Routed |
Link |
Gets the type of the edited link. |
Old |
Gets the successor task that was linked to the predecessor task before editing the connector. |
Original |
Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class.
Inherited from Routed |
Predecessor | Gets a predecessor task. |
Predecessor |
Gets an edited predecessor link (connector). |
Routed |
Gets or sets the Routed |
Source |
Gets or sets a reference to the object that raised the event.
Inherited from Routed |
Successor | Gets the successor task that is linked to the predecessor task after editing the connector. |
The event data class exposes the following methods:
Method | Description |
---|---|
Invoke |
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 Routed |
On |
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 Routed |
#Remarks
The event arguments properties allow you to get the following info about the edited predecessor link (connector):
Property | Description |
---|---|
Predecessor |
Gets the successor task that was linked to the predecessor task before editing the connector. |
Predecessor |
Gets the successor task that is linked to the predecessor task after editing the connector. |
Predecessor |
Gets a predecessor task. |
Predecessor |
Gets an edited predecessor link (connector). |
Predecessor |
Gets the type of the edited link. |
Predecessor |
Gets a type of change an end user made (created, deleted, or changed a predecessor link). |
You can undo the applied changes by setting the PredecessorLinkEditedEventArgs.Cancel property to true.