GanttView.NewTaskDrawing Event

Occurs when an end user draws a new task in the Gantt area’s new item row (on MouseMove ) and allows you to change the newly created task’s finish date. This is a routed event.

Namespace : DevExpress.Xpf.Gantt

Assembly : DevExpress.Xpf.Gantt.v25.2.dll

NuGet Package : DevExpress.Wpf.Gantt

csharp

public event EventHandler<NewTaskDrawingEventArgs> NewTaskDrawing

Public Event NewTaskDrawing As EventHandler(Of NewTaskDrawingEventArgs)

Event Data

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

Property	Description
FinishDate	Gets or sets the newly created task’s finish date.
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.
OriginalSource	Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs.
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.
StartDate	Gets the newly created task’s start date.

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

Use the event argument’s NewTaskDrawingEventArgs.StartDate property to get the newly created task’s start date.

The NewTaskDrawingEventArgs.FinishDate property allows you to change the newly created task’s finish date.