)C#匯出Excel後關閉進程（EXCEL.EXE）釋放資源的解決方案

http://blog.bossma.cn/dotnet/csharp-exorpt-excel-process-kill/comment-page-1/#comment-10511

public void QuitExcelApp(Microsoft.Office.Interop.Excel.Application excelApp){    if (excelApp != null)//excelApp全域變數    {        //關閉EXCEl進程，只把EXCEL進程kill是不夠的，        //還必須把全域變數中的所有與Excel操作相關的excel變數        //賦值為null才可以        excelApp.DisplayAlerts = false;//不顯示提示框        excelApp.Workbooks.Close();        excelApp.Quit();        KillSpecialExcel(excelApp);        excelApp = null;        //workbook1 = null;        //workSheetTemp = null;    }}[DllImport("user32.dll", SetLastError = true)]static extern int GetWindowThreadProcessId(IntPtr hWnd, out int lpdwProcessId);public void KillSpecialExcel(Microsoft.Office.Interop.Excel.Application m_objExcel){    try    {        if (m_objExcel != null)        {            int lpdwProcessId;            GetWindowThreadProcessId(new IntPtr(m_objExcel.Hwnd), out lpdwProcessId);            Process p = System.Diagnostics.Process.GetProcessById(lpdwProcessId);            if (!p.CloseMainWindow())            {                p.Kill();            }        }    }    catch (Exception ex)    {        Console.WriteLine("Delete Excel Process Error:" + ex.Message);    }}