Done for today

Form1.Designer.cs

@@ -42,6 +42,7 @@
             Opener = new OpenFileDialog();
             Saver = new SaveFileDialog();
             groupBox4 = new GroupBox();
+            chromiumWebBrowser1 = new CefSharp.WinForms.ChromiumWebBrowser();
             progressBar1 = new ProgressBar();
             button4 = new Button();
             button3 = new Button();
@@ -72,6 +73,7 @@
             // 
             // openDevToolsToolStripMenuItem
             // 
+            openDevToolsToolStripMenuItem.Enabled = false;
             openDevToolsToolStripMenuItem.Name = "openDevToolsToolStripMenuItem";
             openDevToolsToolStripMenuItem.Size = new Size(154, 22);
             openDevToolsToolStripMenuItem.Text = "Open DevTools";
@@ -149,6 +151,7 @@
             // 
             // groupBox4
             // 
+            groupBox4.Controls.Add(chromiumWebBrowser1);
             groupBox4.Controls.Add(progressBar1);
             groupBox4.Controls.Add(button4);
             groupBox4.Dock = DockStyle.Fill;
@@ -160,12 +163,23 @@
             groupBox4.Text = "Preview";
             groupBox4.Enter += groupBox4_Enter;
             // 
+            // chromiumWebBrowser1
+            // 
+            chromiumWebBrowser1.ActivateBrowserOnCreation = false;
+            chromiumWebBrowser1.Dock = DockStyle.Fill;
+            chromiumWebBrowser1.Location = new Point(3, 47);
+            chromiumWebBrowser1.Name = "chromiumWebBrowser1";
+            chromiumWebBrowser1.Size = new Size(794, 328);
+            chromiumWebBrowser1.TabIndex = 3;
+            chromiumWebBrowser1.LoadingStateChanged += chromiumWebBrowser1_LoadingStateChanged;
+            // 
             // progressBar1
             // 
             progressBar1.Dock = DockStyle.Top;
             progressBar1.Location = new Point(3, 42);
             progressBar1.Name = "progressBar1";
             progressBar1.Size = new Size(794, 5);
+            progressBar1.Style = ProgressBarStyle.Marquee;
             progressBar1.TabIndex = 2;
             // 
             // button4
@@ -274,5 +288,6 @@
         private GroupBox groupBox3;
         private Button button2;
         private TextBox textBox2;
+        private CefSharp.WinForms.ChromiumWebBrowser chromiumWebBrowser1;
     }
 }

Form1.cs

@@ -5,7 +5,6 @@ namespace MintHTML
 {
     public partial class Form1 : Form
     {
-        ChromiumWebBrowser chromiumWebBrowser1;
         string appdata = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
         string markfile;
         string htmlfile = "<h1>Welcome to MintHTML</h1><p>Open a markdown file and press \"Render preview\" to see the output here.</p>";
@@ -16,7 +15,8 @@ background-color: #F3F3F3;
 border: solid;
 border-width: 1px
 }
-</style>";
+</style>
+<ul style=""list-style-type:circle;"">";
         string css;
         // Custom functions
         private void convert()
@@ -28,41 +28,50 @@ border-width: 1px
                 while ((line = reader.ReadLine()) != null)
                 {
                     // Header 1
-                    if (line.Contains("# "))
+                    if (line[0..1] == "# ")
                     {
                         line = "<h1>" + line[1..] + "</h1>";
 
                     }
                     // Header 2
-                    else if (line.Contains("## "))
+                    else if (line[0..2] == "## ")
                     {
                         line = "<h2>" + line[1..] + "</h2>";
 
                     }
                     // Header 3
-                    else if (line.Contains("### "))
+                    else if (line[0..3] == "### ")
                     {
                         line = "<h3>" + line[1..] + "</h3>";
 
                     }
                     // Header 4
-                    else if (line.Contains("#### "))
+                    else if (line[0..4] == "#### ")
                     {
                         line = "<h4>" + line[1..] + "</h4>";
 
                     }
                     // Header 5
-                    else if (line.Contains("##### "))
+                    else if (line[0..5] == "##### ")
                     {
                         line = "<h5>" + line[1..] + "</h5>";
 
                     }
                     // Header 6
-                    else if (line.Contains("###### "))
+                    else if (line[0..6] == "###### ")
                     {
                         line = "<h6>" + line[1..] + "</h6>";
 
                     }
+                    // Bullet point
+                    else if (line[0..1] == "* ")
+                    {
+                        line = "<li>" + line[1..] + "</li>";
+                    }
+                    else if (line[0..1] == "- ")
+                    {
+                        line = "<li>" + line[1..] + "</li>";
+                    }
                     // Code block
                     else if (line.Contains("`"))
                     {
@@ -88,7 +97,9 @@ border-width: 1px
                     try
                     {
                         File.Delete(appdata + "/SweeZero/MintHTML/RootCache/lockfile");
-                    } catch (Exception ex) {
+                    }
+                    catch (Exception ex)
+                    {
                         MessageBox.Show(ex.Message, "Cef Error (fatal)", MessageBoxButtons.OK, MessageBoxIcon.Error);
                     }
                 }
@@ -96,16 +107,9 @@ border-width: 1px
             var settings = new CefSettings()
             {
                 RootCachePath = appdata + "/SweeZero/MintHTML/RootCache",
-                LogFile = appdata + "/SweeZero/MintHTML/CefSharp.log",
-                LogSeverity = LogSeverity.Default
             };
-            Cef.Initialize(settings);
-            chromiumWebBrowser1 = new ChromiumWebBrowser();
-            chromiumWebBrowser1.LoadingStateChanged += chromiumWebBrowser1_LoadingStateChanged;
-            chromiumWebBrowser1.Dock = DockStyle.Fill;
             InitializeComponent();
-            groupBox4.Controls.Add(chromiumWebBrowser1);
+            Cef.Initialize(settings);
-            chromiumWebBrowser1.BringToFront();
             css = @"<style>
 html{
 font-family: sans-serif
@@ -144,7 +148,9 @@ font-family: sans-serif
                 {
                     convert();
                     File.WriteAllText(Saver.FileName, css + htmlfile);
-                } else {
+                }
+                else
+                {
                     convert();
                     File.WriteAllText(Saver.FileName, htmlfile);
                 }
@@ -161,7 +167,7 @@ font-family: sans-serif
         private void chromiumWebBrowser1_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e)
         {
             this.Invoke(new Action(() => progressBar1.Visible = chromiumWebBrowser1.IsLoading));
-            this.Invoke(new Action(() => progressBar1.Style = ProgressBarStyle.Marquee));
+            this.Invoke(new Action(() => openDevToolsToolStripMenuItem.Enabled = !chromiumWebBrowser1.IsLoading));
         }
 
         private void openDevToolsToolStripMenuItem_Click_1(object sender, EventArgs e)

MintHTML.csproj

@@ -2,11 +2,12 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0-windows7.0</TargetFramework>
+    <TargetFramework>net6.0-windows10.0.22000.0</TargetFramework>
     <Nullable>enable</Nullable>
     <UseWindowsForms>True</UseWindowsForms>
     <ImplicitUsings>enable</ImplicitUsings>
 	<CefSharpAnyCpuSupport>true</CefSharpAnyCpuSupport>
+	<SupportedOSPlatformVersion>7.0</SupportedOSPlatformVersion>
   </PropertyGroup>
 
   <ItemGroup>