1. 호출하는 코드private void dgvView_Paint(object sender, PaintEventArgs e) { //DgvColumnHeaderCellMerge(dgvView, e, StringAlignment.Center, "Header Merge", 2, 2); var infos = new List { new HeaderCellMerge.DgvHeaderCellMergeInfo { Align = StringAlignment.Center, Header = "Header Merge1", StartColIdx = 2, MergeCnt = 2 }, new HeaderCellMerge.DgvHeaderCellMergeInfo { Align = StringAlignment.Center, Head..