用WPF实现合并多个excel文件的源代码

D:\github\ExcelApplication1\bin\Debug\ExcelApplication1.exe D:\github\ExcelApplication1\bin\Debug\ExcelApplication1.pdb D:\github\ExcelApplication1\obj\x86\Debug\MainWindow.baml D:\github\ExcelApplication1\obj\x86\Debug\MainWindow.g.cs D:\github\ExcelApplication1\obj\x86\Debug\App.g.cs D:\github\ExcelApplication1\obj\x86\Debug\ExcelApplication1_MarkupCompile.cache D:\github\ExcelApplication1\obj\x86\Debug\ExcelApplication1.g.resources D:\github\ExcelApplication1\obj\x86\Debug\ExcelApplication1.Properties.Resources.resources D:\github\ExcelApplication1\obj\x86\Debug\ExcelApplication1.csproj.GenerateResource.Cache D:\github\ExcelApplication1\obj\x86\Debug\ExcelApplication1.exe D:\github\ExcelApplication1\obj\x86\Debug\ExcelApplication1.pdb D:\github\ExcelApplication1\bin\Debug\ExcelApplication1.exe.config D:\github\ExcelApplication1\bin\Debug\LinqToExcel.dll D:\github\ExcelApplication1\bin\Debug\log4net.dll D:\github\ExcelApplication1\bin\Debug\Remotion.Data.Linq.dll D:\github\ExcelApplication1\bin\Debug\Remotion.dll D:\github\ExcelApplication1\bin\Debug\Remotion.Interfaces.dll D:\github\ExcelApplication1\bin\Debug\LinqToExcel.xml D:\github\ExcelApplication1\bin\Debug\log4net.xml D:\github\ExcelApplication1\obj\x86\Debug\ExcelApplication1.csprojResolveAssemblyReference.cache D:\github\ExcelApplication1\bin\Debug\Excel.dll D:\github\ExcelApplication1\bin\Debug\ICSharpCode.SharpZipLib.dll D:\github\ExcelApplication1\bin\Debug\Excel.pdb D:\github\ExcelApplication1\bin\Debug\CsvHelper.dll D:\github\ExcelApplication1\bin\Debug\CsvHelper.pdb D:\github\ExcelApplication1\bin\Debug\CsvHelper.xml