Fail gracefully with an error message if the ProjectVersion.txt file is corrupt. This also enables the Launcher to list all other projects even if some are corrupt. Before this patch it halted with an exception.

Author: geo-at-github

UnityLauncher/Form1.cs

@@ -146,12 +146,12 @@ string GetProjectVersion(string path)
                         }
                         else
                         {
-                            throw new InvalidDataException("Cannot find m_EditorVersion:" + dd);
+                            MessageBox.Show("Cannot find m_EditorVersion in '" + versionPath + "'.\n\nFile Content:\n" + string.Join("\n", data).ToString());
                         }
                     }
                     else
                     {
-                        throw new InvalidDataException("invalid projectversion data:" + data.ToString());
+                        MessageBox.Show("Invalid projectversion data found in '" + versionPath + "'.\n\nFile Content:\n" + string.Join("\n", data).ToString());
                     }
                 }
             }