OptionsSelectionBehavior.UpdateSelectionDurationAction Property
Specifies how the selection conforms to the time scale change in the Timeline view.
Namespace: DevExpress.XtraScheduler
Assembly: DevExpress.XtraScheduler.v23.2.Core.Desktop.dll
NuGet Package: DevExpress.Scheduler.CoreDesktop
Declaration
[DefaultValue(UpdateSelectionDurationAction.Reset)]
public UpdateSelectionDurationAction UpdateSelectionDurationAction { get; set; }Property Value
| Type | Default | Description |
|---|---|---|
| UpdateSelectionDurationAction | Reset | An UpdateSelectionDurationAction enumeration member, specifying the action performed when the time scale changes. |
Available values:
| Name | Description |
|---|---|
| Adjust | The selection is adjusted to represent the originally selected interval, so the selection may span acreoos several cells.
|
| Reset | The selection is reset, so it occupies only the beginning of the previously selected interval.
|
Property Paths
You can access this nested property as listed below:
| Library | Object Type | Path to UpdateSelectionDurationAction |
|---|---|---|
| WinForms Controls | TimelineView |
|
| ASP.NET Web Forms Controls | TimelineView |
|
Remarks
The following pictures illustrate the UpdateSelectionDurationAction settings.
The time scale, which has the minimum time interval among enabled scales (i.e. the base scale, accessible via the TimelineView.GetBaseTimeScale method) is the TimeScaleWeek. Therefore, the selected cell represents a week.
When a more detailed scale - in this case, the TimeScaleDay - is enabled, the current selection is modified as the UpdateSelectionDurationAction property specifies. If its value is Reset, then the selection shrinks to occupy exactly one cell. Note that one cell in this scale corresponds to one day, not one week.
If the UpdateSelectionDurationAction is set to Adjust, the selection retains its time interval and stretches to occupy the entire week:
