C#中怎么在EXCEL中的单元格中画斜线啊 ？？

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C#中怎么在Excel中的单元格中画斜线啊 ？？

做法：

1，先添加引用COM，找 Excel

2，using Excel = Microsoft.Office.Interop.Excel;

3，

代码

PRivate Excel.application m_objExcel = null; private Excel.Workbooks m_objBooks = null; private Excel._Workbook m_objBook = null; private Excel.Sheets m_objSheets = null; private Excel._Worksheet m_objSheet = null; private Excel.Range m_objRange = null;

private object m_objOpt = System.Reflection.Missing.Value;

private void button3_Click(object sender, EventArgs e) { m_objExcel = new Excel.Application(); m_objExcel.Visible = false; m_objExcel.DisplayAlerts = false;

if (m_objExcel.Version != "11.0") { MessageBox.Show("您的 Excel 版本不是 11.0 （Office 2003），操作可能会出现问题。"); m_objExcel.Quit(); return; }

m_objBooks = (Excel.Workbooks)m_objExcel.Workbooks;

m_objBook = m_objBooks.Open(@"E:/WebSite2/Book2.xls", m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt);

m_objSheets = (Excel.Sheets)m_objBook.Worksheets; m_objSheet = (Excel._Worksheet)(m_objSheets.get_Item(1)); m_objRange = m_objSheet.get_Range("B3", m_objOpt); m_objRange.Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlDiagonalDown].LineStyle = Excel.XlLineStyle.xlLineStyleNone; m_objRange.Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlDiagonalUp].LineStyle = Excel.XlLineStyle.xlContinuous; m_objRange.Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlDiagonalUp].ColorIndex = Excel.XlColorIndex.xlColorIndexAutomatic; m_objRange.Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeLeft].LineStyle = Excel.XlLineStyle.xlLineStyleNone; m_objRange.Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeTop].LineStyle = Excel.XlLineStyle.xlLineStyleNone; m_objRange.Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeBottom].LineStyle = Excel.XlLineStyle.xlLineStyleNone; m_objRange.Borders[Microsoft.Office.Interop.Excel.XlBordersIndex.xlEdgeRight].LineStyle = Excel.XlLineStyle.xlLineStyleNone; m_objBook.Save();

m_objBook.Close(false, m_objOpt, m_objOpt); m_objExcel.Quit();

this.DisposeExcel(); }

/// <summary> /// 释放所引用的COM对象。注意：这个过程一定要执行。 /// </summary> public void DisposeExcel() {

ReleaSEObj(m_objSheets); ReleaseObj(m_objBook); ReleaseObj(m_objBooks); ReleaseObj(m_objExcel); System.GC.Collect(); System.GC.WaitForPendingFinalizers(); } private void ReleaseObj(object o) { try { System.Runtime.InteropServices.Marshal.ReleaseComObject(o); } catch { } finally { o = null; } }