Adding media with non latin characters, commas or unexpected characters causes crash.

[tdoukinitsas]

Problem occurs at line 335:

332                //now lets remove any other unessesary characters at the end of the data string
333                string input = clipInfoString.Data;
334                int index = input.IndexOf("\r\n");
335                clipInfoString.Data = input.Substring(0, index);

System.ArgumentOutOfRangeException
HResult=0x80131502
Message=Length cannot be less than zero.
Parameter name: length
Source=mscorlib
StackTrace:
at System.String.Substring(Int32 startIndex, Int32 length)
at Playout_Manager.MainWindow.GetMediaProperties() in C:\Users\tdoukinitsas\Source\Repos\tdoukinitsas\Playout-Manager\MainWindow.xaml.cs:line 335
at Playout_Manager.MainWindow.MediaListChanged(Object sender, EventArgs e) in C:\Users\tdoukinitsas\Source\Repos\tdoukinitsas\Playout-Manager\MainWindow.xaml.cs:line 497
at System.Windows.FrameworkElement.RaiseClrEvent(EventPrivateKey key, EventArgs args)
at System.Windows.Controls.ComboBox.OnDropDownClosed(EventArgs e)
at System.Windows.Controls.ComboBox.OnPopupClosed(Object source, EventArgs e)
at System.Windows.FrameworkElement.RaiseClrEvent(EventPrivateKey key, EventArgs args)
at System.Windows.Controls.Primitives.Popup.OnClosed(EventArgs e)
at MaterialDesignThemes.Wpf.ComboBoxPopup.OnClosed(EventArgs e)
at System.Windows.Controls.Primitives.Popup.DestroyWindow()
at System.Windows.Controls.Primitives.Popup.b__130_0(Object sender, EventArgs args)
at System.Windows.Threading.DispatcherTimer.FireTick(Object unused)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
at System.Windows.Threading.DispatcherOperation.InvokeImpl()
at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
at System.Windows.Threading.DispatcherOperation.Invoke()
at System.Windows.Threading.Dispatcher.ProcessQueue()
at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
at System.Windows.Application.RunDispatcher(Object ignore)
at System.Windows.Application.RunInternal(Window window)
at System.Windows.Application.Run(Window window)
at System.Windows.Application.Run()
at Playout_Manager.App.Main()

This exception was originally thrown at this call stack:
[External Code]
Playout_Manager.MainWindow.GetMediaProperties() in MainWindow.xaml.cs
Playout_Manager.MainWindow.MediaListChanged(object, System.EventArgs) in MainWindow.xaml.cs
[External Code]