diff --git a/Engine/src/Engine/Core/Application.cpp b/Engine/src/Engine/Core/Application.cpp
index 7e5e566..3252459 100644
--- a/Engine/src/Engine/Core/Application.cpp
+++ b/Engine/src/Engine/Core/Application.cpp
@@ -27,8 +27,14 @@ namespace Light {
 
 	void Application::GameLoop()
 	{
+		// check
 		LT_ENGINE_ASSERT(!m_LayerStack.IsEmpty(), "Application::GameLoop: Layerstack is empty");
 
+		// Log some data
+		m_Window->GetGfxContext()->LogDebugData();
+		m_Window->GetGfxContext()->GetUserInterface()->LogDebugData();
+
+		//  GAMELOOP  //
 		while (m_Window->IsOpen())
 		{
 			// Events
diff --git a/Engine/src/Engine/Events/WindowEvents.h b/Engine/src/Engine/Events/WindowEvents.h
index ba6ca1e..41f12f2 100644
--- a/Engine/src/Engine/Events/WindowEvents.h
+++ b/Engine/src/Engine/Events/WindowEvents.h
@@ -28,7 +28,7 @@ namespace Light {
 	public:
 		WindowMovedEvent(int x, int y): m_Position(x, y) {}
 
-		const glm::ivec2& GetPosition() { return m_Position; }
+		const glm::ivec2& GetPosition() const{ return m_Position; }
 
 		virtual std::string GetInfoLog() const override
 		{
@@ -48,7 +48,7 @@ namespace Light {
 	public:
 		WindowResizedEvent(int width, int height): m_Size(width, height) {}
 
-		const glm::ivec2& GetSize() { return m_Size; }
+		const glm::ivec2& GetSize() const { return m_Size; }
 
 		virtual std::string GetInfoLog() const override
 		{
diff --git a/Engine/src/Engine/Graphics/GraphicsContext.cpp b/Engine/src/Engine/Graphics/GraphicsContext.cpp
index efd00c3..a0373ec 100644
--- a/Engine/src/Engine/Graphics/GraphicsContext.cpp
+++ b/Engine/src/Engine/Graphics/GraphicsContext.cpp
@@ -53,7 +53,6 @@ namespace Light {
 		LT_ENGINE_ASSERT(s_Context->m_RenderCommand, "GraphicsContext::Create: RenderCommand creation failed");
 		LT_ENGINE_ASSERT(s_Context->m_UserInterface, "GraphicsContext::Create: UserInterface creation failed");
 
-
 		return s_Context;
 	}
 
diff --git a/Engine/src/Engine/Graphics/GraphicsContext.h b/Engine/src/Engine/Graphics/GraphicsContext.h
index 210fb29..d6497e1 100644
--- a/Engine/src/Engine/Graphics/GraphicsContext.h
+++ b/Engine/src/Engine/Graphics/GraphicsContext.h
@@ -10,6 +10,8 @@ namespace Light {
 	class RenderCommand;
 	class UserInterface;
 
+	class WindowResizedEvent;
+
 	enum class GraphicsAPI
 	{
 		Default = 0,
@@ -32,12 +34,16 @@ namespace Light {
 		GraphicsAPI m_GraphicsAPI;
 
 	public:
+		static GraphicsContext* Create(GraphicsAPI api, GLFWwindow* windowHandle);
+
 		GraphicsContext(const GraphicsContext&) = delete;
 		GraphicsContext& operator=(const GraphicsContext&) = delete;
 
 		virtual ~GraphicsContext() = default;
-	
-		static GraphicsContext* Create(GraphicsAPI api, GLFWwindow* windowHandle);
+
+		virtual void OnWindowResize(const WindowResizedEvent& event) = 0;
+
+		virtual void LogDebugData() = 0;
 
 		static inline GraphicsAPI GetGraphicsAPI() { return s_Context->m_GraphicsAPI; }
 
@@ -47,6 +53,7 @@ namespace Light {
 
 	protected:
 		GraphicsContext() = default;
+
 	};
 
 }
\ No newline at end of file
diff --git a/Engine/src/Engine/UserInterface/UserInterface.h b/Engine/src/Engine/UserInterface/UserInterface.h
index 9ae1088..9546e3c 100644
--- a/Engine/src/Engine/UserInterface/UserInterface.h
+++ b/Engine/src/Engine/UserInterface/UserInterface.h
@@ -11,6 +11,8 @@ namespace Light {
 	class UserInterface
 	{
 	public:
+		static UserInterface* Create(GLFWwindow* windowHandle);
+
 		UserInterface(const UserInterface&) = delete;
 		UserInterface operator=(const UserInterface&) = delete;
 
@@ -21,7 +23,8 @@ namespace Light {
 		virtual void Begin() = 0;
 		virtual void End() = 0;
 
-		static UserInterface* Create(GLFWwindow* windowHandle);
+		virtual void LogDebugData() = 0;
+
 	protected:
 		UserInterface() = default;
 	};
diff --git a/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.cpp b/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.cpp
index adef5c4..80cd161 100644
--- a/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.cpp
+++ b/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.cpp
@@ -9,6 +9,8 @@
 #include "Graphics/VertexLayout.h"
 #include "UserInterface/UserInterface.h" 
 
+#include "Events/WindowEvents.h"
+
 #include "Utility/Stringifier.h"
 
 #include <glad/glad.h>
@@ -26,10 +28,21 @@ namespace Light {
 		                 "glGraphicsContext::glGraphicsContext: gladLoadGLLoader: failed to initialize opengl context");
 
 		SetDebugMessageCallback();
+	}
 
-		LT_ENGINE_INFO("glGraphicsContext:");
+	void glGraphicsContext::OnWindowResize(const WindowResizedEvent& event)
+	{
+		glViewport(0, 0, event.GetSize().x, event.GetSize().y);
+	}
+
+	void glGraphicsContext::LogDebugData()
+	{
+		LT_ENGINE_INFO("________________________________________");
+		LT_ENGINE_INFO("GraphicsContext::");
+		LT_ENGINE_INFO("        API     : OpenGL");
+		LT_ENGINE_INFO("        Version : {}", glGetString(GL_VERSION));
 		LT_ENGINE_INFO("        Renderer: {}", glGetString(GL_RENDERER));
-		LT_ENGINE_INFO("        Version: {}", glGetString(GL_VERSION));
+		LT_ENGINE_INFO("________________________________________");
 	}
 
 	void glGraphicsContext::SetDebugMessageCallback()
diff --git a/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.h b/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.h
index 3d94e72..0dfc53f 100644
--- a/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.h
+++ b/Engine/src/Platform/GraphicsAPI/OpenGL/glGraphicsContext.h
@@ -7,6 +7,8 @@ struct GLFWwindow;
 
 namespace Light {
 
+	class WindowResizedEvent;
+
 	class glGraphicsContext : public GraphicsContext
 	{
 	private:
@@ -15,6 +17,10 @@ namespace Light {
 	public:
 		glGraphicsContext(GLFWwindow* windowHandle);
 
+		virtual void OnWindowResize(const WindowResizedEvent& event) override;
+
+		virtual void LogDebugData() override;
+
 	private:
 		void SetDebugMessageCallback();
 	};
diff --git a/Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.cpp b/Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.cpp
index 398ce37..ccbc4d8 100644
--- a/Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.cpp
+++ b/Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.cpp
@@ -1,4 +1,4 @@
-#include "ltpch.h"
+#include "ltpch.h"
 #include "glUserInterface.h"
 
 #include <imgui.h>
@@ -42,4 +42,13 @@ namespace Light {
 		ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
 	}
 
+	void glUserInterface::LogDebugData()
+	{
+		LT_ENGINE_INFO("________________________________________");
+		LT_ENGINE_INFO("UserInterface::");
+		LT_ENGINE_INFO("       API    : ImGui");
+		LT_ENGINE_INFO("       Version: {}", ImGui::GetVersion());
+		LT_ENGINE_INFO("________________________________________");
+	}
+
 }
\ No newline at end of file
diff --git a/Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.h b/Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.h
index 85685ed..4776b0a 100644
--- a/Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.h
+++ b/Engine/src/Platform/GraphicsAPI/OpenGL/glUserInterface.h
@@ -13,6 +13,8 @@ namespace Light {
 
 		void Begin() override;
 		void End() override;
+
+		virtual void LogDebugData() override;
 	};
 
 }
\ No newline at end of file
diff --git a/Engine/src/Platform/OS/Windows/wWindow.cpp b/Engine/src/Platform/OS/Windows/wWindow.cpp
index 6daa9e7..ee77820 100644
--- a/Engine/src/Platform/OS/Windows/wWindow.cpp
+++ b/Engine/src/Platform/OS/Windows/wWindow.cpp
@@ -48,6 +48,8 @@ namespace Light {
 		{
 		case EventType::WindowClosed:
 			b_Open = false;
+		case EventType::WindowResized:
+			m_GraphicsContext->OnWindowResize((const WindowResizedEvent&)event);
 		}
 	}
 
diff --git a/Sandbox/imgui.ini b/Sandbox/imgui.ini
index d7252b9..886a46e 100644
--- a/Sandbox/imgui.ini
+++ b/Sandbox/imgui.ini
@@ -4,13 +4,13 @@ Size=400,400
 Collapsed=0
 
 [Window][Dear ImGui Demo]
-Pos=-3,0
-Size=524,134
-Collapsed=1
+Pos=-3,-1
+Size=243,295
+Collapsed=0
 
 [Window][Dear ImGui Metrics/Debugger]
-Pos=-5,16
-Size=525,114
+Pos=-1,859
+Size=359,115
 Collapsed=0
 
 [Table][0xC9935533,3]
diff --git a/Sandbox/src/SandboxLayer.h b/Sandbox/src/SandboxLayer.h
index a41f7d2..585fef0 100644
--- a/Sandbox/src/SandboxLayer.h
+++ b/Sandbox/src/SandboxLayer.h
@@ -5,24 +5,4 @@ class SandboxLayer : public Light::Layer
 public:
 	SandboxLayer(const std::string& name): Light::Layer(name) {}
 
-	// Mouse events
-	virtual bool OnMouseMoved(const Light::MouseMovedEvent& event) override { LT_ENGINE_TRACE("{}", event.GetInfoLog()); return false; }
-	virtual bool OnButtonPressed(const Light::ButtonPressedEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-	virtual bool OnButtonReleased(const Light::ButtonReleasedEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-	virtual bool OnWheelScrolled(const Light::WheelScrolledEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-
-	// Keyboard events
-	virtual bool OnKeyPressed(const Light::KeyPressedEvent& event) override
-	{
-		LT_ENGINE_TRACE(event.GetInfoLog());
-		return true;
-	}
-	virtual bool OnKeyReleased(const Light::KeyReleasedEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-
-	// Window events
-	virtual bool OnWindowClosed(const Light::WindowClosedEvent& event) override { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-	virtual bool OnWindowResized(const Light::WindowResizedEvent& event) { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-	virtual bool OnWindowMoved(const Light::WindowMovedEvent& event) { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-	virtual bool OnWindowLostFocus(const Light::WindowLostFocusEvent& event) { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
-	virtual bool OnWindowGainFocus(const Light::WindowGainFocusEvent& event) { LT_ENGINE_TRACE(event.GetInfoLog()); return false; }
 };