RhSolutions.ExcelExtensions/Column.cs


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using System.Collections;

namespace RhSolutions.ExcelExtensions;

public sealed class Column : Table, IEnumerable<TableCell>
{
    public string Header
    {
        get => Range.Cells[1, 1].Value.ToString();
    }
    public int Index
    {
        get => Range.Column - ParentTable.Range.Column;
    }
    public int Length
    {
        get => Range.Rows.Count;
    }

    public Column(Range range, Table table) : base(range, table)
    {
        Range = range;
        ParentTable = table;
    }

    public TableCell this[int index]
    {
        get => new(Range.Cells[index + 1, 1], ParentTable);
    }

    public IEnumerator<TableCell> GetEnumerator()
    {
        return new ColumnEnumerator(Range, ParentTable);
    }

    IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();


    public Column AddLeft()
    {
        Range.EntireColumn
            .Insert(XlInsertShiftDirection.xlShiftToRight,
                XlInsertFormatOrigin.xlFormatFromRightOrBelow);

        return ParentTable.Columns[this.Index - 1];
    }
}