GanttControl.TaskMoveStarted Event

Fires when a user starts to move a task. This event only fires when a user modifies a task in the chart. When the user modifies a task in the task list, the event does not fire.

Namespace: DevExpress.XtraGantt

Assembly: DevExpress.XtraGantt.v23.2.dll

NuGet Package: DevExpress.Win.Gantt

Declaration

C#

[DXCategory("Events")]
public event TaskMovingEventHandler TaskMoveStarted

VB.NET

<DXCategory("Events")>
Public Event TaskMoveStarted As TaskMovingEventHandler

Event Data

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

Property	Description
CurrentTaskFinish	Gets or sets the processed task’s current (during the operation) finish date.
CurrentTaskStart	Gets or sets the processed task’s current (during the operation) start date.
OriginalTaskFinish	Gets the processed task’s original (before the operation) finish date.
OriginalTaskStart	Gets the processed task’s original (before the operation) start date.
ProcessedNode	Gets the modified node. Inherited from TaskModificationEventArgs.
ProcessedTask	Gets the modified task. Inherited from TaskModificationEventArgs.
TaskSplitInfo	Gets information about segments of the processed split task. Inherited from TaskModificationEventArgs.

Remarks

If the AllowModifyTasks option is enabled, users can reschedule a task. Users can use the mouse pointer to resize its duration or drag it to a new time slot.

To resize a task, move the mouse pointer over a task’s edge.

Note

The Editable option must be enabled and the ReadOnly option must be disabled to allow users to modify tasks.

You can handle the following events to customize an operation:

• TaskMoveStarted — fires when a user starts to move a task.
• TaskMoving — repeatedly fires when a user moves a task.
• TaskMoveCanceled — fires when a user presses Esc to cancel the operation.
• TaskMoveCompleted — fires when a user finishes moving a task. Allows you to cancel the operation.

• TaskMoved — fires when a task is successfully moved.

• TaskFinishDateModificationStarted — fires when a user starts to modify a task’s finish date.

• TaskFinishDateModification — repeatedly fires when a user modifies a task’s finish date.
• TaskFinishDateModificationCanceled — fires when a user presses Esc to cancel the operation.
• TaskFinishDateModificationCompleted — fires when a user finishes to modify a finish date. Allows you to cancel the operation.
• TaskFinishDateModified — fires when a task’s finish date is successfully modified.

See Interactive Editing for more information.