TimeInterval.Start Property

Gets or sets the start date and time of the time interval.

Namespace: DevExpress.XtraScheduler

Assembly: DevExpress.XtraScheduler.v18.2.Core.dll

Declaration

C#

[XtraSerializableProperty(XtraSerializationFlags.DefaultValue)]
public virtual DateTime Start { get; set; }

VB.NET

<XtraSerializableProperty(XtraSerializationFlags.DefaultValue)>
Public Overridable Property Start As Date

Property Value

Type	Description
DateTime	A DateTime value representing the start of the time interval.

Remarks

The Start property and the TimeInterval.Duration property specify the value of the TimeInterval.End property for the time interval. This value is always calculated as End = Start + Duration.

Note: If the TimeInterval.AllDay property is set to true, then the start date of the time interval is the Date of the Start, and the start time of the interval is 0:00.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Start 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#

how-to-implement-precise-drag-and-drop-and-resizing-of-appointments-in-day-work-week-view-e4497/CS/OneMinuteDragDrop/Handlers/AppointmentsResizeHandler.cs#L33

if (e.ResizedSide == ResizedSide.AtStartTime) {
    if (e.SourceAppointment.End > e.HitInterval.Start + cellTimeShift) {
        e.EditedAppointment.Start = e.HitInterval.Start + cellTimeShift;

how-to-display-hijri-months-with-alternate-colors-e2213/CS/WindowsApplication1/HijriCalendar.cs#L24

public void FillHijriMonths(TimeInterval visibleInterval) {
    DateTime start = visibleInterval.Start;
    DateTime visibleEnd = visibleInterval.End;

how-to-separate-shift-conflicted-appointments-while-dragging-another-appointment-e5007/CS/WindowsFormsApplication1/Form1.cs#L180

else {
    currentApt.Start = dragAppointmentInterval.Start - currentDuration;
    currentApt.End = dragAppointmentInterval.Start;

how-to-resize-an-appointment-without-snapping-it-to-time-cells-e2341/CS/WindowsApplication1/Form1.cs#L117

{
    e.EditedAppointment.Start = e.HitInterval.Start + timetoAdd;
    e.EditedAppointment.End = e.SourceAppointment.End;

how-to-display-appointments-in-agenda-view-by-using-the-dxgrid-for-wpf-component-t239055/CS/Views/AgendaView.xaml.cs#L102

private void OnPrevMonthItemClick(object sender, DevExpress.Xpf.Bars.ItemClickEventArgs e) {
    AgendaViewDataGenerator.SelectedInterval = new TimeInterval(AgendaViewDataGenerator.SelectedInterval.Start.AddMonths(-1), AgendaViewDataGenerator.SelectedInterval.Start);
    InitializeAppointments();

VB.NET

how-to-implement-precise-drag-and-drop-and-resizing-of-appointments-in-day-work-week-view-e4497/VB/OneMinuteDragDrop/Handlers/AppointmentsResizeHandler.vb#L36

If e.ResizedSide = ResizedSide.AtStartTime Then
    If e.SourceAppointment.End > e.HitInterval.Start + cellTimeShift Then
        e.EditedAppointment.Start = e.HitInterval.Start + cellTimeShift

how-to-separate-shift-conflicted-appointments-while-dragging-another-appointment-e5007/VB/WindowsFormsApplication1/Form1.vb#L169

Else
    currentApt.Start = dragAppointmentInterval.Start - currentDuration
    currentApt.End = dragAppointmentInterval.Start

how-to-resize-an-appointment-without-snapping-it-to-time-cells-e2341/VB/WindowsApplication1/Form1.vb#L109

If e.ResizedSide = ResizedSide.AtStartTime Then
    e.EditedAppointment.Start = e.HitInterval.Start + timetoAdd
    e.EditedAppointment.End = e.SourceAppointment.End

how-to-display-appointments-in-agenda-view-by-using-the-dxgrid-for-wpf-component-t239055/VB/Views/AgendaView.xaml.vb#L111

Private Sub OnPrevMonthItemClick(ByVal sender As Object, ByVal e As DevExpress.Xpf.Bars.ItemClickEventArgs)
    AgendaViewDataGenerator.SelectedInterval = New TimeInterval(AgendaViewDataGenerator.SelectedInterval.Start.AddMonths(-1), AgendaViewDataGenerator.SelectedInterval.Start)
    InitializeAppointments()

wpf-schedulercontrol-api-t442105/VB/SchedulerControl_WPF_API/CodeExamples/AppointmentExamples.vb#L20

' Set the appointment's time interval to the selected time interval.
apt.Start = scheduler.SelectedInterval.Start
apt.End = scheduler.SelectedInterval.End