/// <summary>
/// Locate all installed version of Unity3D.
/// Warning: This currently only works for Windows and has only been tested on Windows 10.
/// </summary>
/// <returns></returns>
public static Dictionary <string, string> LocateUnityInstalls()
{
var programData = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData);
if (!System.IO.Directory.Exists(programData))
{
throw new Exception($"Failed to find any installed Unity3d versions. 'ProgramData' folder '{programData}' does not exist.");
}
var startMenuProgramsDirectory = System.IO.Path.Combine(programData, "Microsoft", "Windows", "Start Menu", "Programs");
if (!System.IO.Directory.Exists(startMenuProgramsDirectory))
{
throw new Exception($"Failed to find any installed Unity3d versions. Start menu programs folder '{startMenuProgramsDirectory}' does not exist.");
}
var installs = new Dictionary <string, string>();
foreach (var unityFolder in System.IO.Directory.EnumerateDirectories(startMenuProgramsDirectory, "Unity*"))
{
var unityShortcut = System.IO.Path.Combine(unityFolder, "Unity.lnk");
if (!System.IO.File.Exists(unityShortcut))
{
continue;
}
installs.Add(new System.IO.DirectoryInfo(unityFolder).Name, WindowsShortcut.GetShortcutTarget(unityShortcut));
}
return(installs);
}
/// <summary>
/// Locate all installed version of Unity3D on Windows.
/// </summary>
/// <returns></returns>
public static Dictionary <string, string> LocateUnityInstallsWindows()
{
var programData = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData);
if (!System.IO.Directory.Exists(programData))
{
throw new Exception($"Failed to find any installed Unity3d versions. 'ProgramData' folder '{programData}' does not exist.");
}
var startMenuProgramsDirectory = System.IO.Path.Combine(programData, "Microsoft", "Windows", "Start Menu", "Programs");
if (!System.IO.Directory.Exists(startMenuProgramsDirectory))
{
throw new Exception($"Failed to find any installed Unity3d versions. Start menu programs folder '{startMenuProgramsDirectory}' does not exist.");
}
var installs = new Dictionary <string, string>();
foreach (var unityFolder in System.IO.Directory.EnumerateDirectories(startMenuProgramsDirectory, "Unity*"))
{
var unityShortcut = System.IO.Path.Combine(unityFolder, "Unity.lnk");
if (!System.IO.File.Exists(unityShortcut))
{
continue;
}
string exePath = WindowsShortcut.GetShortcutTarget(unityShortcut);
string version = "";
if (!TryGetUnityVersion(exePath, "Data", out version))
{
var fileInfo = System.Diagnostics.FileVersionInfo.GetVersionInfo(exePath);
version = fileInfo.ProductVersion;
}
if (!installs.ContainsKey(version))
{
installs.Add(version, exePath);
}
}
return(installs);
}