void CreateAppoointmentDragInfo()
{
if (dragInfo == null)
{
if (AppointmentViewInfo != null)
{
IsExternalDrag = false;
dragInfo = new AppointmentDragInfo()
{
Appointment = AppointmentViewInfo.Appointment,
TimeAtCursor = CurrentDateTime.TimeOfDay,
InitialInterval = new TimeInterval(AppointmentViewInfo.Appointment.Start, AppointmentViewInfo.Appointment.End)
};
}
else if (SelectableIntervalViewInfo != null)
{
IsExternalDrag = true;
dragInfo = new AppointmentDragInfo()
{
Appointment = null,
TimeAtCursor = CurrentDateTime.TimeOfDay,
InitialInterval = SelectableIntervalViewInfo.Interval
};
}
}
}
private void SchedulerControl1_AdditionalAppointmentsDrag(object sender, AdditionalAppointmentsDragEventArgs e)
{
if (e.AdditionalAppointmentInfos.Count <= 0)
{
return;
}
AppointmentDragInfo aptInfo = e.AdditionalAppointmentInfos[0];
// If the end of the main dragged appointment becomes greater than the start of the special appointment,
// set the start of the special appointment being dragged to the end of the main dragged appointment.
// It prevents overlapping appointments.
if (e.PrimaryAppointmentInfos[0].EditedAppointment.End > aptInfo.SourceAppointment.Start)
{
aptInfo.EditedAppointment.Start = e.PrimaryAppointmentInfos[0].EditedAppointment.End;
}
}
void AppointmentDropHandler(object sender, AppointmentDragEventArgs e)
{
OnDragDrop(e);
dragInfo = null;
}
