GanttControlOptionsBehavior.TaskDateChangeMode Property

Gets or sets whether the control shifts a task or extends/reduces its duration when a user changes the task’s start or finish date.

Namespace : DevExpress.XtraGantt.Options

Assembly : DevExpress.XtraGantt.v25.2.dll

NuGet Package : DevExpress.Win.Gantt

Declaration

csharp

[DefaultValue(TaskDateChangeMode.Default)]
[XtraSerializableProperty]
public TaskDateChangeMode TaskDateChangeMode { get; set; }

<XtraSerializableProperty>
<DefaultValue(TaskDateChangeMode.Default)>
Public Property TaskDateChangeMode As TaskDateChangeMode

Type	Default	Description
TaskDateChangeMode	Default

A value that specifies whether the control shifts a task or extends/reduces its duration when a user changes the task’s start or finish date.

Available values:

Name	Description
Default

The mode is not specified explicitly. Enables MoveTask mode.

| | MoveTask |

The control shifts a task when a user changes the task’s start or finish date.

| | UpdateDuration |

The control extends/reduces a task’s duration when a user changes the task’s start or finish date.

You can access this nested property as listed below:

Object Type	Path to TaskDateChangeMode
GanttControl

.OptionsBehavior .TaskDateChangeMode

The TaskDateChangeMode property specifies how a task changes when a user changes the task’s start or finish date:

MoveTask — the control shifts a task when a user changes the task’s start or finish date.
UpdateDuration — the control extends/reduces a task’s duration when a user changes the task’s start or finish date.