private static void ModifyOriginFile(string filePath)
        {
            var lines = File.ReadAllLines(filePath);
            int index = -1;

            for (int i = 0; i < lines.Length; i++)
            {
                var line = lines[i];
                if (line.StartsWith("namespace", StringComparison.Ordinal))
                {
                    Namespace = line.Split(' ')[1]; // TODO: Find anther way to get namespace
                }

                if (line.Contains($"public class {ParentName}"))
                {
                    index = i;
                    break;
                }
            }

            //Change parent class to partial
            if (index != -1)
            {
                lines[index] = lines[index].Replace($"public class {ParentName}", $"public partial class {ParentName}");
                File.WriteAllLines(filePath, lines);
            }

            //Reload project
            MonoDevelop.Ide.Gui.Document doc = IdeApp.Workbench.ActiveDocument;
            doc.Reload();
            IdeApp.ProjectOperations.SaveAsync(ParentFile.Project.ParentSolution);
        }