Excel从另一个Excel文件中用户自定义区域(UsedRange)拷贝数据和行高、列宽

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Office.Tools.Ribbon;
using Excel = Microsoft.Office.Interop.Excel;
using System.Windows.Forms;

namespace ExcelAddIn8
{
public partial class Ribbon1
{
private void Ribbon1_Load(object sender, RibbonUIEventArgs e)
{

}

/// <summary>
/// 在下面的动作中，将从选中的文件中的用户自定义区域（UsedRange）中拷贝
/// 数据到现在这个WorkSheet中并根据选中文件中UsedRange的行高列宽来设定被
/// 粘贴数据区域的行高列宽。
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, RibbonControlEventArgs e)
{
var missing = Type.Missing;
string SourcePath = string.Empty;
Excel.Application objApplication = Globals.ThisAddIn.Application;
Excel.Application objSourceApplication = new Excel.Application();
Excel.Workbook objTargetWorkbook = objApplication.ActiveWorkbook;
OpenFileDialog objOpenFileDialog = new OpenFileDialog();
objOpenFileDialog.Filter = "Excel Document(.xlsx)|*.xlsx";
objOpenFileDialog.ShowDialog();
SourcePath = objOpenFileDialog.FileName;
if (SourcePath.Length > 0)
{
Excel.Workbook objSourceWorkbook = objSourceApplication
.Workbooks.Open(SourcePath, missing, missing, missing,
missing,missing,missing,missing, missing, missing, missing,
missing, missing,missing, missing);
Excel.Worksheet objWorkSheet = objSourceWorkbook.Worksheets[1];
objWorkSheet.UsedRange.Copy(missing);

Excel.Worksheet objTargetSheet =
objTargetWorkbook.ActiveSheet;
if (objTargetSheet != null)
{
objTargetSheet.Paste();
Excel.Range objTargetRange = objApplication.ActiveCell;
//以下代码用来重新设定Range区域，使之与源文件中的UsedRange范
//围相当。
objTargetRange = objTargetSheet.Range[objTargetSheet.Cells
[objTargetRange.Row, objTargetRange.Column],
objTargetSheet.Cells[objTargetRange.Row
+ objWorkSheet.UsedRange.Rows.Count-1,
objTargetRange.Column +
objWorkSheet.UsedRange.Columns.Count]];
//根据UsedRange的列宽来设置选定区域的列宽。
objTargetRange.ColumnWidth = objWorkSheet.UsedRange
.ColumnWidth;
//根据UsedRange的行高来设置选定区域的行高。
objTargetRange.RowHeight = objWorkSheet.UsedRange.RowHeight;
}
}
((Excel._Application)objSourceApplication).Quit();
objSourceApplication = null;
}
}
}