private void grdGet_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e) { // 헤더 컬럼 클릭시 if (e.ColumnIndex != 1) { return; } if (bHeadCheck == false) { grdGet.Columns[1].HeaderText = "[v]"; bHeadCheck = true; wConst.select_Check(grdGet, 1, bHeadCheck); } else { grdGet.Columns[1].HeaderText = "[ ]"; bHeadCheck = false; wConst.select_Check(grdGet, 1, bHeadCheck); } grdGet.RefreshEdit(); grdGet.Refresh(); }