Added severial examples. Corrected towards the correct return type and add utilities to prevent working with pointers

Examples/Core/DeltaTime.cs

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+using System.Numerics;
+
+namespace Examples.Core;
+/*******************************************************************************************
+ *
+ *   raylib [core] example - delta time
+ *
+ *   Example complexity rating: [★☆☆☆] 1/4
+ *
+ *   Example originally created with raylib 5.5, last time updated with raylib 6.0
+ *
+ *   Example contributed by Robin (@RobinsAviary) and reviewed by Ramon Santamaria (@raysan5)
+ *
+ *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+ *   BSD-like license that allows static linking with closed source software
+ *
+ *   Copyright (c) 2025 Robin (@RobinsAviary)
+ *
+ ********************************************************************************************/
+
+using static Raylib_cs.Raylib;
+
+public class DeltaTime
+{
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        InitWindow(screenWidth, screenHeight, "raylib [core] example - delta time");
+
+        int currentFps = 60;
+
+        Vector2 deltaCircle = new Vector2(0, (float)screenHeight / 3.0f);
+        Vector2 frameCircle = new Vector2(0, (float)screenHeight * (2.0f / 3.0f));
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        const float speed = 10.0f;
+        const float circleRadius = 32.0f;
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            // Adjust the FPS target based on the mouse wheel
+            float mouseWheel = GetMouseWheelMove();
+            if (mouseWheel != 0)
+            {
+                currentFps += (int)mouseWheel;
+                if (currentFps < 0)
+                {
+                    currentFps = 0;
+                }
+                SetTargetFPS(currentFps);
+            }
+
+            // GetFrameTime() returns the time it took to draw the last frame, in seconds (usually called delta time)
+            // Uses the delta time to make the circle look like it's moving at a "consistent" speed regardless of FPS
+
+            // Multiply by 6.0 (an arbitrary value) in order to make the speed
+            // visually closer to the other circle (at 60 fps), for comparison
+            deltaCircle.X += GetFrameTime() * 6.0f * speed;
+            // This circle can move faster or slower visually depending on the FPS
+            frameCircle.X += 0.1f * speed;
+
+            // If either circle is off the screen, reset it back to the start
+            if (deltaCircle.X > screenWidth)
+            {
+                deltaCircle.X = 0;
+            }
+
+            if (frameCircle.X > screenWidth)
+            {
+                frameCircle.X = 0;
+            }
+
+            // Reset both circles positions
+            if (IsKeyPressed(KeyboardKey.R))
+            {
+                deltaCircle.X = 0;
+                frameCircle.X = 0;
+            }
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RayWhite);
+
+            // Draw both circles to the screen
+            DrawCircleV(deltaCircle, circleRadius, Color.Red);
+            DrawCircleV(frameCircle, circleRadius, Color.Blue);
+
+            // Draw the help text
+            // Determine what help text to show depending on the current FPS target
+            var fpsText = "";
+            if (currentFps <= 0)
+            {
+                fpsText = $"FPS: unlimited ({GetFPS()})";
+            }
+            else
+            {
+                fpsText = $"FPS: {GetFPS()} (target: {currentFps})";
+            }
+            DrawText(fpsText, 10, 10, 20, Color.DarkGray);
+            DrawText($"Frame time: {GetFrameTime():F2} ms", 10, 30, 20, Color.DarkGray);
+            DrawText("Use the scroll wheel to change the fps limit, r to reset", 10, 50, 20, Color.DarkGray);
+
+            // Draw the text above the circles
+            DrawText("FUNC: x += GetFrameTime()*speed", 10, 90, 20, Color.Red);
+            DrawText("FUNC: x += speed", 10, 240, 20, Color.Blue);
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}