// extraCourseIndex indicates the color/layer.
private void AddExtraCourseToLayout(CourseLayout courseLayout, Id<Course> courseId, int extraCourseIndex)
{
if (extraCourseIndex >= CourseLayout.EXTRACOURSECOUNT)
return;
CourseAppearance appearance = controller.GetCourseAppearance();
CourseLayer layer = CourseLayer.OtherCourse1 + extraCourseIndex;
// Create the course view.
CourseView courseView = CourseView.CreateCourseView(eventDB, new CourseDesignator(courseId),
new CourseViewOptions() { showNonDescriptionSpecials = false, showDescriptionSpecials = false, showControlNumbers = false });
// Add it to the CourseLayout.
courseLayout.SetLayerColor(layer, (short) (NormalCourseAppearance.extraCourseOcadId + extraCourseIndex),
string.Format(NormalCourseAppearance.allControlsColorName, extraCourseIndex + 1),
NormalCourseAppearance.extraCourseC[extraCourseIndex],
NormalCourseAppearance.extraCourseM[extraCourseIndex],
NormalCourseAppearance.extraCourseY[extraCourseIndex],
NormalCourseAppearance.extraCourseK[extraCourseIndex],
false);
CourseFormatter.FormatCourseToLayout(symbolDB, courseView, appearance, courseLayout, layer,
new CourseFormatterOptions() { showControlNumbers = false });
}