Duration bar
Disabling the duration bar
<DayPilot:DayPilotCalendar runat="server"
DurationBarVisible="false"
...
/>
Custom width

<DayPilot:DayPilotCalendar runat="server"
DurationBarWidth="10"
...
/>
Custom color
<DayPilot:DayPilotCalendar runat="server"
DurationBarColor="Red"
...
/>
Custom image

<DayPilot:DayPilotCalendar runat="server"
DurationBarImageUrl="tentative.png"
...
/>
Custom color (per event)
protected void DayPilotCalendar1_BeforeEventRender(object sender, BeforeEventRenderEventArgs e)
{
if (e.Tag[0] == "2")
{
e.DurationBarColor = "red";
}
}
Custom image (per event)

protected void DayPilotCalendar1_BeforeEventRender(object sender, BeforeEventRenderEventArgs e)
{
if (e.Tag["status"] == "tentative")
{
e.DurationBarImageUrl = "tentative.png";
}
}