public void ShowTimelineViewer()
{
// Axisを作る
_view.GetTimelineControl().DataSource = TimeAxisGenerator.Generate();
if (isFirstTime2ShowTimeline)
{
_view.GetTimelineControl().TimespanEnum = TimelineControl.Model.TimespanEnum.Hour3;
_view.GetTimelineControl().StartDateTime = GetStartDateTime();
isFirstTime2ShowTimeline = false;
}
_view.GetTimelineControl().EventModelManager = EventModelManagerGenerator.Generate();
}