internal static void MergeCells(Cell startCell, Cell endCell)
{
Table parentTable = startCell.ParentRow.ParentTable;
// Find the row and cell indices for the start and end cell.
Point startCellPos = new Point(startCell.ParentRow.IndexOf(startCell), parentTable.IndexOf(startCell.ParentRow));
Point endCellPos = new Point(endCell.ParentRow.IndexOf(endCell), parentTable.IndexOf(endCell.ParentRow));
// Create the range of cells to be merged based off these indices. Inverse each index if the end cell if before the start cell.
Rectangle mergeRange = new Rectangle( System.Math.Min(startCellPos.X, endCellPos.X), System.Math.Min(startCellPos.Y, endCellPos.Y),
System.Math.Abs(endCellPos.X - startCellPos.X) + 1, System.Math.Abs(endCellPos.Y - startCellPos.Y) + 1);
foreach (Row row in parentTable.Rows)
{
foreach (Cell cell in row.Cells)
{
Point currentPos = new Point(row.IndexOf(cell), parentTable.IndexOf(row));
// Check if the current cell is inside our merge range then merge it.
if (mergeRange.Contains(currentPos))
{
if (currentPos.X == mergeRange.X)
cell.CellFormat.HorizontalMerge = CellMerge.First;
else
cell.CellFormat.HorizontalMerge = CellMerge.Previous;
if (currentPos.Y == mergeRange.Y)
cell.CellFormat.VerticalMerge = CellMerge.First;
else
cell.CellFormat.VerticalMerge = CellMerge.Previous;
}
}
}
}
// ExEnd:MergeCells
