Switching project to C# (because why not)

OpenSaveCloudClient/AddGameForm.cs

@@ -0,0 +1,134 @@
+using IGDB;
+using IGDB.Models;
+using OpenSaveCloudClient.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace OpenSaveCloudClient
+{
+    public partial class AddGameForm : Form
+    {
+
+        private readonly IGDBClient? _client;
+        private GameSave result;
+
+        public GameSave Result { get { return result; } }
+
+        public AddGameForm(IGDBClient? iGDBClient)
+        {
+            InitializeComponent();
+            _client = iGDBClient;
+            if (_client == null)
+            {
+                NoCoverLabel.Text = "IGDB is not configured";
+            }
+            else
+            {
+                NoCoverLabel.Visible = false;
+            }
+        }
+
+        private async void timer1_Tick(object sender, EventArgs e)
+        {
+            timer1.Stop();
+            if (_client != null)
+            {
+                NoCoverLabel.Visible = false;
+                CoverPicture.Visible = true;
+                if (!string.IsNullOrWhiteSpace(NameBox.Text))
+                {
+                    try
+                    {
+                        string query = string.Format("fields *; search \"{0}\";", NameBox.Text.Replace("\"", ""));
+                        Game[] games = await _client.QueryAsync<Game>(IGDBClient.Endpoints.Games, query: query);
+                        games = games.Where(g => g.Cover != null && g.Cover.Value != null).ToArray();
+                        if (games.Length > 0)
+                        {
+                            Game game = games.First();
+                            CoverPicture.LoadAsync(game.Cover.Value.Url);
+                        }
+                        else
+                        {
+                            CoverPicture.Visible = false;
+                            NoCoverLabel.Text = "No cover found";
+                            NoCoverLabel.Visible = true;
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        CoverPicture.Visible = false;
+                        NoCoverLabel.Text = ex.Message;
+                        NoCoverLabel.Visible = true;
+                    }
+                }
+            }
+        }
+
+        private void NameBox_TextChanged(object sender, EventArgs e)
+        {
+            if (_client != null)
+            {
+                timer1.Stop();
+                timer1.Start();
+            }
+        }
+
+        private void pathButton_Click(object sender, EventArgs e)
+        {
+            FolderBrowserDialog dialog = new();
+            if (dialog.ShowDialog() == DialogResult.OK)
+            {
+                string path = dialog.SelectedPath;
+                LocationBox.Text = path;
+                if (string.IsNullOrWhiteSpace(NameBox.Text))
+                {
+                    NameBox.Text = path.Split(Path.DirectorySeparatorChar).Last();
+                }
+            }
+        }
+
+        private void button1_Click(object sender, EventArgs e)
+        {
+            LockControls(true);
+            try
+            {
+                if (string.IsNullOrWhiteSpace(LocationBox.Text))
+                {
+                    MessageBox.Show("File folder cannot be empty", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+                if (!Directory.Exists(LocationBox.Text))
+                {
+                    MessageBox.Show("This directory does not exist", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+                if (string.IsNullOrWhiteSpace(NameBox.Text))
+                {
+                    NameBox.Text = LocationBox.Text.Split(Path.DirectorySeparatorChar).Last();
+                }
+                result = new GameSave(NameBox.Text, "", LocationBox.Text, null, 0);
+                DialogResult = DialogResult.OK;
+                Close();
+            } finally
+            {
+                LockControls(false);
+            }
+        }
+
+        private void LockControls(bool value)
+        {
+            value = !value;
+            button1.Enabled = value;
+            NameBox.Enabled = value;
+            LocationBox.Enabled = value;
+            pathButton.Enabled = value;
+        }
+    }
+}