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GroupHeaders Method (Int32, Int32, Int32, Int32, String)

View Schedule Group Headers Method

Groups schedule header cells.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax 
public void GroupHeaders(
	int top,
	int left,
	int bottom,
	int right,
	string caption
)

Parameters

top Int32
The index of the top row of the selected headers.
left Int32
The index of the left column of the selected headers.
bottom Int32
The index of the bottom row of the selected headers.
right Int32
The index of the right column of the selected headers.
caption String
The header caption.
Exceptions
Exception Condition
ArgumentException Headers could not be grouped.
ArgumentNullException A non-optional argument was null
Example 
public static void CreateSingleCategoryScheduleWithGroupedColumnHeaders(Document doc)
{
    using (Transaction t = new Transaction(doc, "Create single-category with grouped column headers"))
    {
        // Build the schedule
        t.Start();
        ViewSchedule vs = ViewSchedule.CreateSchedule(doc, new ElementId(BuiltInCategory.OST_Windows));

        AddRegularFieldToSchedule(vs, new ElementId(BuiltInParameter.WINDOW_HEIGHT));
        AddRegularFieldToSchedule(vs, new ElementId(BuiltInParameter.WINDOW_WIDTH));
        AddRegularFieldToSchedule(vs, new ElementId(BuiltInParameter.ALL_MODEL_MARK));
        AddRegularFieldToSchedule(vs, new ElementId(BuiltInParameter.ALL_MODEL_COST));

        doc.Regenerate();

        // Group the headers in the body section using ViewSchedule methods
        vs.GroupHeaders(0, 0, 0, 1, "Size");
        vs.GroupHeaders(0, 2, 0, 3, "Other");
        vs.GroupHeaders(0, 0, 0, 3, "All");

        t.Commit();
    }
}

/// <summary>
/// Adds a single parameter field to the schedule
/// </summary>
public static void AddRegularFieldToSchedule(ViewSchedule schedule, ElementId paramId)
{
    ScheduleDefinition definition = schedule.Definition;

    // Find a matching SchedulableField
    SchedulableField schedulableField =
        definition.GetSchedulableFields().FirstOrDefault<SchedulableField>(sf => sf.ParameterId == paramId);

    if (schedulableField != null)
    {
        // Add the found field
        definition.AddField(schedulableField);
    }
}
See Also