System.Diagnostics.Process.GetMainWindowTitle C# (CSharp) Method

        private string GetMainWindowTitle()
        {
            IntPtr handle = MainWindowHandle;
            if (handle == (IntPtr)0)
            {
                return string.Empty;
            }

            int length = Interop.User32.GetWindowTextLength(handle) * 2;

            if (length == 0)
                return string.Empty;

            StringBuilder builder = new StringBuilder(length);
            Interop.User32.GetWindowText(handle, builder, builder.Capacity);
            return builder.ToString();
        }