diff --git a/csharp/.gitignore b/csharp/.gitignore
index 35063fc..12d7e86 100644
--- a/csharp/.gitignore
+++ b/csharp/.gitignore
@@ -1,3 +1,7 @@
+.idea
+
+
+
 ## A streamlined .gitignore for modern .NET projects
 ## including temporary files, build results, and
 ## files generated by popular .NET tools. If you are
diff --git a/csharp/TimeMocker.UI/Forms/MainForm.cs b/csharp/TimeMocker.UI/Forms/MainForm.cs
index 782c1a1..8227aae 100644
--- a/csharp/TimeMocker.UI/Forms/MainForm.cs
+++ b/csharp/TimeMocker.UI/Forms/MainForm.cs
@@ -354,7 +354,7 @@ namespace TimeMocker.UI.Forms
 
             // Pattern input row
             var lblNew = new Label { Text = "Pattern:", AutoSize = true, Margin = new Padding(4, 12, 4, 0) };
-            txtNewPattern = new TextBox { Width = 280, Margin = new Padding(0, 10, 4, 0), PlaceholderText = "e.g. C:\\Games\\MyGame\\* or ^.*chrome.*$" };
+            txtNewPattern = new TextBox { Width = 280, Margin = new Padding(0, 10, 4, 0), Text = "e.g. C:\\Games\\MyGame\\* or ^.*chrome.*$" };
 
             rdoGlob  = new RadioButton { Text = "Glob",  Checked = true, AutoSize = true, Margin = new Padding(4, 12, 4, 0), ForeColor = Color.FromArgb(220, 220, 220) };
             rdoRegex = new RadioButton { Text = "Regex", AutoSize = true, Margin = new Padding(4, 12, 4, 0), ForeColor = Color.FromArgb(220, 220, 220) };
diff --git a/csharp/TimeMocker.UI/TimeMocker.UI.csproj b/csharp/TimeMocker.UI/TimeMocker.UI.csproj
index 517c918..e85dd89 100644
--- a/csharp/TimeMocker.UI/TimeMocker.UI.csproj
+++ b/csharp/TimeMocker.UI/TimeMocker.UI.csproj
@@ -8,6 +8,7 @@
     <UseWindowsForms>true</UseWindowsForms>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <ApplicationIcon>app.ico</ApplicationIcon>
+    <LangVersion>8</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="EasyHook" Version="2.7.7030.0" />
diff --git a/csharp/TimeMocker.UI/app.ico b/csharp/TimeMocker.UI/app.ico
new file mode 100644
index 0000000..da8ac1a
Binary files /dev/null and b/csharp/TimeMocker.UI/app.ico differ
diff --git a/csharp/global.json b/csharp/global.json
new file mode 100644
index 0000000..a11f48e
--- /dev/null
+++ b/csharp/global.json
@@ -0,0 +1,7 @@
+{
+  "sdk": {
+    "version": "10.0.0",
+    "rollForward": "latestMajor",
+    "allowPrerelease": true
+  }
+}
\ No newline at end of file