AxMicrosoft.Office.Interop.Owc11.AxSpreadsheet spreadsheet = new AxMicrosoft.Office.Interop.Owc11.AxSpreadsheet();

int startRow = int.Parse(this.spreadsheet.Selection.Row.ToString());     //選取範圍的開始行
int startColumn = int.Parse(this.spreadsheet.Selection.Column.ToString());    //選取範圍的開始列
int rowCount = this.spreadsheet.Selection.Rows.Count;         //選取範圍包含的行數
int columnCount = this.spreadsheet.Selection.Columns.Count;        //選取範圍包含的列數
string selection[i][j] = this.axXLSOrder.Selection.get_Item(i+1, j+1).Text.ToString(); //選取範圍的某個值 多行多列

int mergedRowCount = this.spreadsheet.Selection.get_Item(1, 1).MergeArea.Rows.Count;  //第一個單元格合併的行數
int mergedColCount = this.spreadsheet.Selection.get_Item(1, 1).MergeArea.Columns.Count;  //第一個單元格合併的列數

spreadsheet.get_Range(this.spreadsheet.Cells[1, 1]).Select();     //選中第一個單元格
spreadsheet.get_Range(this.spreadsheet.Cells[startRow, startColumn], spreadsheet.Cells[endRow, endColumn]).Select();   //選中一個區域
spreadsheet.get_Range(this.spreadsheet.Cells[1, 1]).Paste();     //將剪貼簿中的資料貼上到第一個單元格