Notes

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Reflection;
using Microsoft.Office.Interop.Word;
using System.Diagnostics.SymbolStore;
using System.Runtime.CompilerServices;
using System.Diagnostics.Tracing;
namespace WordInteropTesting
{
class Program
{
static void Main(string[] args)
{
//заполним будущие данные для таблицы - двумерный массив строк 3х4
string[,] source = new string[3, 4];
source[0, 0] = "00";
source[0, 1] = "01";
source[0, 2] = "02";
source[0, 3] = "03";
source[1, 0] = "10";
source[1, 1] = "11";
source[1, 2] = "12";
source[1, 3] = "13";
source[2, 0] = "20";
source[2, 1] = "21";
source[2, 2] = "22";
source[2, 3] = "23";
List<CellRangeRC> spans = new List<CellRangeRC>() {
new CellRangeRC(2, 0, 2, 3)
};
//List<CellRangeRC> spans1 = new List<CellRangeRC>() {
// new CellRangeRC(0, 0, 0, 1)
// };
CreateTable(source, spans);
//CreateTable(source, spans1);
}
static public void CreateTable(string[,] source, List<CellRangeRC> spans)
{
try
{
Application _application = new Application(); //создаем прил-е ворд
object _missingObj = Missing.Value; //пустой параметр (знач-е не указано)
//создаем док-нт ворд (документ1)
Document _document = _application.Documents.Add(ref _missingObj, ref _missingObj, ref _missingObj, ref _missingObj);
//объект selection хранит тек.позицию курсора(или выделенный диапазон)
Selection Selection = _document.Application.Selection;
int NumRows = source.GetLength(0); //сохр.кол-во стр
int NumColumns = source.GetLength(1); //сохр. кол-во стб
Table _table = _document.Tables.Add(Selection.Range, NumRows, NumColumns);
//красота таблицы
_table.AllowAutoFit = true;
_table.AutoFitBehavior(WdAutoFitBehavior.wdAutoFitFixed);
_table.set_Style("сетка таблицы");
WdParagraphAlignment cellsHorizontalAlignment = WdParagraphAlignment.wdAlignParagraphCenter;
WdCellVerticalAlignment cellsVerticalAlignment = WdCellVerticalAlignment.wdCellAlignVerticalCenter;
WdLineSpacing lineSpacingRule = WdLineSpacing.wdLineSpaceSingle;
//заполняем таблицу по одной ячейке каждая (в процессе наводим красоту ячейки)
for (int i = 0; i < NumRows; i++)
{
for (int j = 0; j < NumColumns; j++)
{
_table.Cell(i + 1, j + 1).Range.InsertAfter(source[i, j]);
_table.Cell(i + 1, j + 1).Range.ParagraphFormat.Alignment = cellsHorizontalAlignment;
_table.Cell(i + 1, j + 1).VerticalAlignment = cellsVerticalAlignment;
_table.Cell(i + 1, j + 1).Range.ParagraphFormat.LineSpacingRule = lineSpacingRule;
}
}
//горизонтально
//foreach (var c in spans) {
// _table.Cell(c.R1+1, c.C1+1).Merge(_table.Cell(c.R1+1, c.C2+1));
//}
//_application.Visible = true;

//вертикально
foreach (var c in spans)
{
object begCell = _table.Cell(c.R1 + 1, c.C1 + 1).Range.Start;
object endCell = _table.Cell(c.R2 + 1, c.C2 + 1).Range.End;
Range wordcellrange = _document.Range(ref begCell, ref endCell);
wordcellrange.Select();
_application.Selection.Cells.Merge();
}
_application.Visible = true;
}
catch (Exception error) { throw error; }
}
}
public struct CellRangeRC
{
public int R1;
public int C1;
public int R2;
public int C2;
public CellRangeRC(int r1, int c1, int r2, int c2)
{
this.R1 = r1;
this.C1 = c1;
this.R2 = r2;
this.C2 = c2;
}
public override string ToString()
{
return $"[({R1},{C1}); ({R2},{C2})]";
}
}
}