c# 通过查看注册表的方式来判断电脑安装office的版本


private void button3_Click(object sender, EventArgs e)

        {

            if (panduan())//自定义方法

            {

                MessageBox.Show("本机已安装office2010");

            }

            else

            {

                MessageBox.Show("请先安装wps 2012", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);

            }

        }

 public bool panduan()

        {

            bool ifused = false;

            RegistryKey rk = Registry.LocalMachine;

            RegistryKey office2010 = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\14.0\\Word\\InstallRoot\\");

            //office 2003

            RegistryKey office2003 = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\11.0\\Word\\InstallRoot\\");

            //office2007

            RegistryKey office2007 = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\12.0\\Word\\InstallRoot\\");

            //office 97

            RegistryKey office97 = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\8.0\\Word\\InstallRoot\\");

            //office 2000

            RegistryKey office2000 = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\9.0\\Word\\InstallRoot\\");

            //office xp

            RegistryKey officexp = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\10.0\\Word\\InstallRoot\\");

            //检查本机是否安装Office2010

            if (office2010 != null)

            {

                string file03 = office2010.GetValue("Path").ToString();

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

                {

                    istrue= true;

                }

            }

            if (officexp != null)

            {

                string filexp = officexp.GetValue("Path").ToString();

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

                {

                    istrue= false;

                }

            }

            if (office2000 != null)

            {

                string file2000 = officexp.GetValue("Path").ToString();

                if (File.Exists(file2000 + "Excel.exe"))

                {

                    istrue= false;

                }

            }

            if (office97 != null)

            {

                string file97 = officexp.GetValue("Path").ToString();

                if (File.Exists(file97 + "Excel.exe"))

                {

                    istrue= false;

                }

            }

            if (office2007 != null)

            {

                string file2007 = officexp.GetValue("Path").ToString();

                if (File.Exists(file2007 + "Excel.exe"))

                {

                    istrue= false;

                }

            }

  

            return istrue;

        }