no idea speedrun

model/SnakeLevel.cs

@@ -163,7 +163,7 @@ public class SnakeLevel : IDisposable{
     #endregion
 
     #region Event handlers
-    private void _timer_Tick(object? sender)
+    private void _timer_Tick(object? state)
     {
         Tick();
         GameUpdate?.Invoke(this, EventArgs.Empty);
@@ -171,7 +171,7 @@ public class SnakeLevel : IDisposable{
     #endregion
 
     #region Methods
-    public void Tick(){
+    private void Tick(){
         if (!_disable_snake_movement)
         {
             Point new_snake_head = (0, 0);
@@ -279,10 +279,10 @@ public class SnakeLevel : IDisposable{
     #endregion
 
     #region IDisposable
-    private bool disposedValue;
+    private bool _disposed_value;
     protected virtual void Dispose(bool disposing)
     {
-        if (!disposedValue)
+        if (!_disposed_value)
         {
             if (disposing)
             {
@@ -292,7 +292,7 @@ public class SnakeLevel : IDisposable{
 
             // TODO: free unmanaged resources (unmanaged objects) and override finalizer
             // TODO: set large fields to null
-            disposedValue = true;
+            _disposed_value = true;
         }
     }