From 017d5fa4095f25092ca19fb80b763c401e278c74 Mon Sep 17 00:00:00 2001
From: Simon G <simon.gockner@gmail.com>
Date: Thu, 22 Apr 2021 15:24:12 +0200
Subject: [PATCH] - handle no driver selected

---
 Mystify/ViewModels/MainWindowViewModel.cs | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/Mystify/ViewModels/MainWindowViewModel.cs b/Mystify/ViewModels/MainWindowViewModel.cs
index 8b2f635..a4f344b 100644
--- a/Mystify/ViewModels/MainWindowViewModel.cs
+++ b/Mystify/ViewModels/MainWindowViewModel.cs
@@ -9,6 +9,7 @@ using System.Linq;
 using System.Windows.Input;
 using Avalonia.Controls;
 using Lib.Driver;
+using Lib.Logging;
 using Lib.Tools;
 using Mystify.Views;
 using ReactiveUI;
@@ -52,10 +53,18 @@ namespace Mystify.ViewModels
             {
                 Filters = new List<FileDialogFilter> {new() {Extensions = new List<string> {DriverLoader.DRIVER_FILE_EXTENSION}, Name = "Mystify Driver"}}
             };
-            
-            string driverPath = (await openFileDialog.ShowAsync(_mainWindow))[0];
 
-            _mainModel?.LoadDriverAndDevice(driverPath);
+            string[] selectedPaths = await openFileDialog.ShowAsync(_mainWindow);
+            if (selectedPaths.Length == 0)
+            {
+                await Log.Write<MainWindowViewModel>("No Driver selected.");
+                return;
+            }
+            
+            string driverPath = selectedPaths[0];
+            
+            if (!string.IsNullOrEmpty(driverPath))
+                _mainModel?.LoadDriverAndDevice(driverPath);
             
             RaisePropertyChanged(() => SelectedDeviceText);
             RaisePropertyChanged(() => Channels);