Open-XML-SDK: Element classes do not contain all child element-related properties

Description

The DocumentFormat.OpenXml.Spreadsheet.Worksheet class only has properties for 4 out of 38 child elements. For example, there is no property for the only mandatory child element, x:sheetData, which is likely among the most frequently referenced elements.

As per the schema, those child elements have to be in a defined order, which, in the absence of SDK support, needs to be ensured by the caller’s code. That increases the size and complexity of the code.

Information

• .NET Target: all
• DocumentFormat.OpenXml Version: 3cc26570f2964a5d56a5988f9464b2e4b29812c7

Observed

The Worksheet class defines the following child elements:

    [ChildElementInfo(typeof(SheetProperties))]
    [ChildElementInfo(typeof(SheetDimension))]
    [ChildElementInfo(typeof(SheetViews))]
    [ChildElementInfo(typeof(SheetFormatProperties))]
    [ChildElementInfo(typeof(Columns))]
    [ChildElementInfo(typeof(SheetData))]
    [ChildElementInfo(typeof(SheetCalculationProperties))]
    [ChildElementInfo(typeof(SheetProtection))]
    [ChildElementInfo(typeof(ProtectedRanges))]
    [ChildElementInfo(typeof(Scenarios))]
    [ChildElementInfo(typeof(AutoFilter))]
    [ChildElementInfo(typeof(SortState))]
    [ChildElementInfo(typeof(DataConsolidate))]
    [ChildElementInfo(typeof(CustomSheetViews))]
    [ChildElementInfo(typeof(MergeCells))]
    [ChildElementInfo(typeof(PhoneticProperties))]
    [ChildElementInfo(typeof(ConditionalFormatting))]
    [ChildElementInfo(typeof(DataValidations))]
    [ChildElementInfo(typeof(Hyperlinks))]
    [ChildElementInfo(typeof(PrintOptions))]
    [ChildElementInfo(typeof(PageMargins))]
    [ChildElementInfo(typeof(PageSetup))]
    [ChildElementInfo(typeof(HeaderFooter))]
    [ChildElementInfo(typeof(RowBreaks))]
    [ChildElementInfo(typeof(ColumnBreaks))]
    [ChildElementInfo(typeof(CustomProperties))]
    [ChildElementInfo(typeof(CellWatches))]
    [ChildElementInfo(typeof(IgnoredErrors))]
    [ChildElementInfo(typeof(Drawing))]
    [ChildElementInfo(typeof(LegacyDrawing))]
    [ChildElementInfo(typeof(LegacyDrawingHeaderFooter))]
    [ChildElementInfo(typeof(DrawingHeaderFooter))]
    [ChildElementInfo(typeof(Picture))]
    [ChildElementInfo(typeof(OleObjects))]
    [ChildElementInfo(typeof(Controls))]
    [ChildElementInfo(typeof(WebPublishItems))]
    [ChildElementInfo(typeof(TableParts))]
    [ChildElementInfo(typeof(WorksheetExtensionList))]

However, the Worksheet class only provides the following properties:

    /// <summary>
    /// <para> SheetProperties.</para>
    /// <para> Represents the following element tag in the schema: x:sheetPr </para>
    /// </summary>
    /// <remark>
    /// xmlns:x = http://schemas.openxmlformats.org/spreadsheetml/2006/main
    /// </remark>
    public SheetProperties SheetProperties
    {
        get => GetElement<SheetProperties>(0);
        set => SetElement(0, value);
    }

    /// <summary>
    /// <para> SheetDimension.</para>
    /// <para> Represents the following element tag in the schema: x:dimension </para>
    /// </summary>
    /// <remark>
    /// xmlns:x = http://schemas.openxmlformats.org/spreadsheetml/2006/main
    /// </remark>
    public SheetDimension SheetDimension
    {
        get => GetElement<SheetDimension>(1);
        set => SetElement(1, value);
    }

    /// <summary>
    /// <para> SheetViews.</para>
    /// <para> Represents the following element tag in the schema: x:sheetViews </para>
    /// </summary>
    /// <remark>
    /// xmlns:x = http://schemas.openxmlformats.org/spreadsheetml/2006/main
    /// </remark>
    public SheetViews SheetViews
    {
        get => GetElement<SheetViews>(2);
        set => SetElement(2, value);
    }

    /// <summary>
    /// <para> SheetFormatProperties.</para>
    /// <para> Represents the following element tag in the schema: x:sheetFormatPr </para>
    /// </summary>
    /// <remark>
    /// xmlns:x = http://schemas.openxmlformats.org/spreadsheetml/2006/main
    /// </remark>
    public SheetFormatProperties SheetFormatProperties
    {
        get => GetElement<SheetFormatProperties>(3);
        set => SetElement(3, value);
    }

Expected

Given that the child elements must be in a defined order, the Worksheet class defines properties for all child elements.