Skip to main content

GanttView.AddingNewResourceLink Event

Occurs before the GanttControl creates a resource link. This event allows you to change this link.

Namespace: DevExpress.Xpf.Gantt

Assembly: DevExpress.Xpf.Gantt.v24.1.dll

NuGet Package: DevExpress.Wpf.Gantt

Declaration

Event Data

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

Property Description
AllocationPercentage Gets a percentage of time the resource spends on a task.
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.
NewResourceLink Gets or sets a newly created resource 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.
Resource Gets a resource for which a new link is being added.
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 a task for which a new link is being added.

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.

Remarks

<dxgn:GanttControl ItemsSource="{Binding Tasks}">
    <dxgn:GanttColumn BindTo="Name" Width="Auto"/>
    <dxgn:GanttColumn BindTo="ResourceLinks" AllowEditing="True"/>
    <dxgn:GanttControl.View>
        <dxgn:GanttView ResourcesSource="{Binding Resources}"
                        ResourceLinksPath="ResourceIds"
                        AddingNewResourceLink="GanttView_AddingNewResourceLink"
                        ... >
        </dxgn:GanttView>
    </dxgn:GanttControl.View>
</dxgn:GanttControl>         
void GanttView_AddingNewResourceLink(object sender, AddingNewResourceLinkEventArgs e) {
    e.NewResourceLink = ((GanttResourceItem)e.Resource).Id;
} 

Run Demo: Assign Resources to Tasks without Links

See Also