引用空间

using Microsoft.Win32;

using System.IO;

        public bool ExistsRegedit()

        {

            bool ifused = false;

            RegistryKey rk = Registry.LocalMachine;

            RegistryKey akey = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\11.0\\Word\\InstallRoot\\");

            RegistryKey akeytwo = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\12.0\\Word\\InstallRoot\\");

            //检查本机是否安装Office2003

            if (akey != null)

            {

                string file03 = akey.GetValue("Path").ToString();

                if (File.Exists(file03 + "Excel.exe"))

                {

                    ifused = true;

                }

            }

            //检查本机是否安装Office2007

            if (akeytwo != null)

            {

                string file07 = akeytwo.GetValue("Path").ToString();

                if (File.Exists(file07 + "Excel.exe"))

                {

                    ifused = true;

                }

            }

            return ifused;

        }

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