private void schedulerControl1_CustomDrawDayViewTimeRuler(object sender, DevExpress.XtraScheduler.CustomDrawObjectEventArgs e)
{
SchedulerControl scheduler = (SchedulerControl)sender;
TimeSpan now = DateTime.Now.TimeOfDay;
TimeRulerViewInfo viewInfo = (TimeRulerViewInfo)e.ObjectInfo;
Rectangle rect = viewInfo.ContentBounds;
Rectangle nowRect = rect;
DayViewInfo dayViewInfo = scheduler.DayView.ViewInfo as DayViewInfo;
if (dayViewInfo.VisibleRowsCount == 0)
{
return;
}
float offsetRatio = (now - scheduler.DayView.TopRowTime).Ticks / (float)TimeSpan.FromTicks(scheduler.DayView.TimeScale.Ticks * dayViewInfo.VisibleRowsCount).Ticks;
if (offsetRatio < 0)
{
return;
}
nowRect.Height = 4;
nowRect.Y += (int)Math.Round(rect.Height * offsetRatio - (float)nowRect.Height / 2);
e.DrawDefault();
e.Cache.FillRectangle(Brushes.Red, nowRect);
e.Handled = true;
}
public static void scheduler_CustomDrawDayViewTimeRuler(object sender, DevExpress.XtraScheduler.CustomDrawObjectEventArgs e)
{
TimeRulerViewInfo info = e.ObjectInfo as TimeRulerViewInfo;
// Clear all captions.
foreach (var item in info.Items)
{
ViewInfoTextItem viewInfoText = item as ViewInfoTextItem;
if (viewInfoText != null)
{
viewInfoText.Text = string.Empty;
}
}
// Draw the TimeRuler as usual, but with empty captions.
e.DrawDefault();
// Draw the image in the header.
Image im = Image.FromFile("image.png");
Rectangle imageBounds = new Rectangle(info.HeaderBounds.X, info.HeaderBounds.Y, im.Width, im.Height);
e.Cache.Graphics.DrawImage(im, imageBounds);
// Cancel default painting procedure.
e.Handled = true;
}
