Appointment.Duration Property

Gets or sets the duration of the appointment.

Namespace: DevExpress.XtraScheduler

Assembly: DevExpress.XtraScheduler.v19.2.Core.dll

Declaration

C#

TimeSpan Duration { get; set; }

VB.NET

Property Duration As TimeSpan

Property Value

Type	Description
TimeSpan	A TimeSpan value representing the duration of the appointment.

Remarks

The Duration property and the Appointment.Start property specify the value of the Appointment.End property for the appointment. This value is always calculated as End = Start + Duration.

Note

The Ticks property value of the Duration should be greater than or equal to 0.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Duration property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

schedulercontrol-how-to-drag-appointments-through-a-custom-discontinuous-scale-timelineview-e4576/CS/WindowsFormsApplication1/Form1.cs#L53

{
    bool durationMustBeIncreased = e.EditedAppointment.Duration > customScaleDuration;
    e.EditedAppointment.Start = durationMustBeIncreased ? e.EditedAppointment.Start + customScaleDuration : e.EditedAppointment.Start - customScaleDuration;

how-to-paint-a-special-time-area-for-an-appointment-and-interact-with-it-t246714/CS/T246714/Form1.cs#L41

apt1.Start = DateTime.Today.AddHours(1);
apt1.Duration = TimeSpan.FromHours(1);
apt1.CustomFields["SafeIntervalStartCF"] = apt1.Start.AddHours(-1);

custom-form-custom-fields-and-custom-actions-on-reminder-alert-e382/CS/ReminderCustomActions/Form1.cs#L52

app.Start = e.AlertNotifications[0].ActualAppointment.Start.AddHours(2);
app.Duration = TimeSpan.FromHours(4);
schedulerDataStorage1.Appointments.Add(app);

how-to-drag-appointments-from-gridview-and-drop-them-onto-the-scheduler-control-using-sche-t179722/CS/T179722/Form1.cs#L90

Start = DateTime.MinValue,
Duration = apt.Duration,
LabelKey = (int)apt.LabelKey,

how-to-separate-shift-conflicted-appointments-while-dragging-another-appointment-e5007/CS/WindowsFormsApplication1/Form1.cs#L174

// change current appointments settings
TimeSpan currentDuration = currentApt.Duration;
if(shiftDown) {

VB.NET

schedulercontrol-how-to-drag-appointments-through-a-custom-discontinuous-scale-timelineview-e4576/VB/WindowsFormsApplication1/Form1.vb#L46

If e.EditedAppointment.Start.TimeOfDay < minTime OrElse e.EditedAppointment.Start.TimeOfDay >= maxTime Then
    Dim durationMustBeIncreased As Boolean = e.EditedAppointment.Duration > customScaleDuration
    e.EditedAppointment.Start = If(durationMustBeIncreased, e.EditedAppointment.Start + customScaleDuration, e.EditedAppointment.Start - customScaleDuration)

how-to-paint-a-special-time-area-for-an-appointment-and-interact-with-it-t246714/VB/T246714/Form1.vb#L43

apt1.Start = Date.Today.AddHours(1)
apt1.Duration = TimeSpan.FromHours(1)
apt1.CustomFields("SafeIntervalStartCF") = apt1.Start.AddHours(-1)

custom-form-custom-fields-and-custom-actions-on-reminder-alert-e382/VB/ReminderCustomActions/Form1.vb#L54

app.Start = e.AlertNotifications(0).ActualAppointment.Start.AddHours(2)
app.Duration = TimeSpan.FromHours(4)
schedulerDataStorage1.Appointments.Add(app)

how-to-drag-appointments-from-gridview-and-drop-them-onto-the-scheduler-control-using-sche-t179722/VB/T179722/Form1.vb#L92

.Start = Date.MinValue,
.Duration = apt.Duration,
.LabelKey = CInt(Math.Truncate(apt.LabelKey)),

how-to-separate-shift-conflicted-appointments-while-dragging-another-appointment-e5007/VB/WindowsFormsApplication1/Form1.vb#L164

' change current appointments settings
Dim currentDuration As TimeSpan = currentApt.Duration
If shiftDown Then