windows 获取系统中所有应用程序

前言：

  记录下。

重点

  

  RegistryView.Registry64 与 RegistryView.Registry32 。有些程序在 Registry64 中，有些程序在 Registry32 中。

 代码

查看代码

            var localMachine = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64);
            string uninstallKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall";
            using (RegistryKey rk = localMachine.OpenSubKey(uninstallKey))
            {
                foreach (string skName in rk.GetSubKeyNames())
                {
                    using (RegistryKey sk = rk.OpenSubKey(skName))
                    {
                        try
                        {

                            var displayName = sk.GetValue("DisplayName") ?? "";
                            if (string.IsNullOrWhiteSpace(displayName.ToString()))
                            {
                                continue;
                            }
                            var size = sk.GetValue("EstimatedSize") ?? "";
                            var displayVersion = sk.GetValue("DisplayVersion") ?? "";
                            var installDate = sk.GetValue("InstallDate") ?? "";
                            var publisher = sk.GetValue("Publisher") ?? "";
                            var installLocation = sk.GetValue("InstallLocation") ?? "";
                            var version = sk.GetValue("Version") ?? "";
                            var versionMinor = sk.GetValue("VersionMinor") ?? "";
                            var versionMajor = sk.GetValue("VersionMajor") ?? "";
                            var uninstallString = sk.GetValue("UninstallString") ?? "";
                            var helpLink = sk.GetValue("HelpLink") ?? "";
                            var DisplayIcon = sk.GetValue("DisplayIcon") ?? "";

                            var HelpTelephone = sk.GetValue("HelpTelephone") ?? "";
                            var InstallSource = sk.GetValue("InstallSource") ?? "";
                            var URLInfoAbout = sk.GetValue("URLInfoAbout") ?? "";
                            var URLUpdateInfo = sk.GetValue("URLUpdateInfo") ?? "";
                            var AuthorizedCDFPrefix = sk.GetValue("AuthorizedCDFPrefix") ?? "";
                            var Contact = sk.GetValue("Contact") ?? "";
                            var Comments = sk.GetValue("Comments") ?? "";
                            var Language = sk.GetValue("Language") ?? "";
                            var ModifyPath = sk.GetValue("ModifyPath") ?? "";
                            var Readme = sk.GetValue("Readme") ?? "";
                            var SettingsIdentifier = sk.GetValue("SettingsIdentifier") ?? "";

                            ListViewItem item = new ListViewItem(new string[]
                            {
                                displayName.ToString(),
                                size.ToString(),
                                displayVersion.ToString(),
                                installDate.ToString(),
                                publisher.ToString(),
                                installLocation.ToString(),
                                versionMajor.ToString(),
                                version.ToString(),
                                versionMinor.ToString(),
                                uninstallString.ToString(),
                                helpLink.ToString(),
                                DisplayIcon.ToString(),

                                HelpTelephone.ToString(),
                                InstallSource.ToString(),
                                URLInfoAbout.ToString(),
                                URLUpdateInfo.ToString(),
                                AuthorizedCDFPrefix.ToString(),
                                Contact.ToString(),
                                Comments.ToString(),
                                Language.ToString(),
                                ModifyPath.ToString(),
                                Readme.ToString(),
                                SettingsIdentifier.ToString(),
                            });

                            lstDisplayHardware.Items.Add(item);
                        }
                        catch (Exception ex)
                        {

                        }
                    }
                }
            }

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