Assignment 3 Coding Form 1

using System.Windows.Forms;
using Newtonsoft.Json;
using System.IO;
using System.Linq;
using System.Drawing;
using System.Collections.Generic;
using System;

namespace Assignment2
{
    public partial class Form1 : Form
    {
        private static readonly string UserSettingsPath = Path.Combine(Environment.CurrentDirectory, @"../../UserSettings.json");
        private static readonly string idcanymore = Path.Combine(Environment.CurrentDirectory, @"../../magic.html");
        public static Settings UserSettings;

        public Form1() => InitializeComponent();

        private void Form1_Load(object sender, EventArgs e)
        {
            string[] Lines = File.ReadAllLines(UserSettingsPath);
            string AllFileLines = string.Join("", Lines);
            UserSettings = JsonConvert.DeserializeObject<Settings>(AllFileLines);

            ApplySettings();

            webView21.Source = new Uri(idcanymore);

            foreach (Control Control in GetAllControlsOfType(this, typeof(Label)))
            {
                Label Label = Control as Label;

                Label.MaximumSize = new Size(Label.Parent.Width - 4, 1000);
            }
            foreach (Control Control in GetAllControlsOfType(this, typeof(TextBox)))
            {
                TextBox TextBox = Control as TextBox;

                TextBox.Height = 13 * (TextBox.Text.Split('\n').Length + 1);
                TextBox.MaximumSize = new Size(TextBox.Parent.Width - 4, 1000);
            }
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            JsonSerializer JsonSerializer = new JsonSerializer
            {
                Formatting = Formatting.Indented
            };
            using (StreamWriter SW = new StreamWriter(UserSettingsPath))
            {
                using (JsonWriter Writer = new JsonTextWriter(SW))
                {
                    JsonSerializer.Serialize(Writer, UserSettings);
                }
            }
        }

        private float GetValidValue(string val)
        {
            if (NullEmptyOrWhitespace(val) || val == "0")
                return 8f;
            return float.Parse(val);
        }

        private bool NullEmptyOrWhitespace(string str) =>
            str == null || str.Trim() == "";

        public void ApplySettings()
        {
            Font TitleFont = new Font(UserSettings.TitleFontName == "" ? "Microsoft Sans Serif" : UserSettings.TitleFontName, GetValidValue(UserSettings.TitleFontSize));
            Font GeneralFont = new Font(UserSettings.GeneralFontName == "" ? "Microsoft Sans Serif" : UserSettings.GeneralFontName, GetValidValue(UserSettings.GeneralFontSize));
            Font CodeFont = new Font(UserSettings.CodeFontName == "" ? "Microsoft Sans Serif" : UserSettings.CodeFontName, GetValidValue(UserSettings.CodeFontSize));

            foreach (Control Control in GetAllControlsOfType(tabControl1, typeof(Label)))
            {
                Label Label = Control as Label;

                Label.Margin = new Padding(Label.Margin.Left, Label.Margin.Top, Label.Margin.Right, UserSettings.TextBoxMargining == "" ? 10 : int.Parse(UserSettings.TextBoxMargining));

                if ((string)Control.Tag == "title")
                {
                    Label.Font = TitleFont;
                    Label.ForeColor = Color.FromName(UserSettings.TitleFontColor == "" ? "black" : UserSettings.TitleFontColor);
                }
                else if ((string)Control.Tag == "general")
                {
                    Label.Font = GeneralFont;
                    Label.ForeColor = Color.FromName(UserSettings.GeneralFontColor == "" ? "black" : UserSettings.GeneralFontColor);
                }
            }

            foreach (Control Control in GetAllControlsOfType(tabControl1, typeof(TextBox)))
            {
                TextBox TextBox = Control as TextBox;

                TextBox.Margin = new Padding(TextBox.Margin.Left, TextBox.Margin.Top, TextBox.Margin.Right, UserSettings.TextBoxMargining == "" ? 10 : int.Parse(UserSettings.TextBoxMargining));

                if ((string)Control.Tag == "code")
                {
                    TextBox.Font = CodeFont;
                    TextBox.ForeColor = Color.FromName(UserSettings.CodeFontColor == "" ? "black" : UserSettings.CodeFontColor);
                }
            }
        }

        public IEnumerable<Control> GetAllControlsOfType(Control Control, Type Type)
        {
            IEnumerable<Control> Controls = Control.Controls.Cast<Control>();

            return Controls
                .SelectMany(Ctrl => GetAllControlsOfType(Ctrl, Type))
                .Concat(Controls)
                .Where(c => c.GetType() == Type);
        }

        public void Alert(object obj) => MessageBox.Show(obj.ToString());

        private void OpenSettings_Click(object sender, EventArgs e)
        {
            Form2 F2 = new Form2
            {
                Owner = this
            };
            F2.Show();
        }
    }

    public class Settings
    {
        public string TextBoxMargining { get; set; }
        public string TitleFontName { get; set; }
        public string TitleFontSize { get; set; }
        public string TitleFontColor { get; set; }
        public string GeneralFontName { get; set; }
        public string GeneralFontSize { get; set; }
        public string GeneralFontColor { get; set; }
        public string CodeFontName { get; set; }
        public string CodeFontSize { get; set; }
        public string CodeFontColor { get; set; }
    }
}