public static VisualStudioInstallation GetPreferredInstallation(int MajorVersion = 0) { if (CachedInstalls.Count == 0) { return(null); } if (MajorVersion == 0) { return(CachedInstalls.First()); } VisualStudioInstallation Installation = CachedInstalls.FirstOrDefault(Install => { return(Install.MajorVersion == MajorVersion); }); return(Installation); }
static List <VisualStudioInstallation> GetVisualStudioInstallations() { CachedInstalls.Clear(); try { SetupConfiguration Setup = new SetupConfiguration(); IEnumSetupInstances Enumerator = Setup.EnumAllInstances(); ISetupInstance[] Instances = new ISetupInstance[1]; for (; ;) { int NumFetched; Enumerator.Next(1, Instances, out NumFetched); if (NumFetched == 0) { break; } ISetupInstance2 Instance = (ISetupInstance2)Instances[0]; if ((Instance.GetState() & InstanceState.Local) == InstanceState.Local) { string VersionString = Instance.GetInstallationVersion(); string[] Components = VersionString.Split('.'); if (Components.Length == 0) { continue; } int MajorVersion; string InstallationPath = Instance.GetInstallationPath(); string DevEnvPath = Path.Combine(InstallationPath, "Common7\\IDE\\devenv.exe"); if (!int.TryParse(Components[0], out MajorVersion) || (MajorVersion != 15 && MajorVersion != 16)) { continue; } if (!File.Exists(DevEnvPath)) { continue; } VisualStudioInstallation Installation = new VisualStudioInstallation() { BaseDir = InstallationPath, DevEnvPath = DevEnvPath, MajorVersion = MajorVersion, ROTMoniker = string.Format("!VisualStudio.DTE.{0}.0", MajorVersion) }; CachedInstalls.Add(Installation); } } } catch (Exception Ex) { MessageBox.Show(string.Format("Exception while finding Visual Studio installations {0}", Ex.Message)); } // prefer newer versions CachedInstalls.Sort((A, B) => { return(-A.MajorVersion.CompareTo(B.MajorVersion)); }); return(CachedInstalls); }