Make examples dispose windows (#1355)

* Load Assimp from source, rather than nuget in GL tut 4.1

* Make all OpenGL examples dispose their IWindow objects properly

* Make all Direct3D11 examples dispose their IWindow objects properly

Author: Beyley

examples/CSharp/Direct3D11 Tutorials/Tutorial 1.2 - Hello quad/Program.cs

@@ -107,6 +107,9 @@ float4 ps_main(vs_out input) : SV_TARGET {
 d3d11.Dispose();
 dxgi.Dispose();
 
+//dispose the window, and its internal resources
+window.Dispose();
+
 unsafe void OnLoad()
 {
     // Set-up input context.

examples/CSharp/OpenGL Demos/AndroidDemo/MainActivity.cs

@@ -65,6 +65,8 @@ protected override void OnRun()
             view.Closing += OnClose;
 
             view.Run();
+
+            view.Dispose();
         }
 
         private static unsafe void OnLoad()

examples/CSharp/OpenGL Demos/AndroidInputDemo/MainActivity.cs

@@ -54,6 +54,8 @@ protected override void OnRun()
             view.Render += OnRender;
             view.Closing += OnClose;
             view.Run();
+
+            view.Dispose();
         }
 
         private unsafe static void OnLoad()

examples/CSharp/OpenGL Demos/ImGui/Program.cs

@@ -74,6 +74,8 @@ static void Main(string[] args)
 
             // Now that everything's defined, let's run this bad boy!
             window.Run();
+
+            window.Dispose();
         }
     }
 }

examples/CSharp/OpenGL Tutorials/Tutorial 1.1 - Hello Window/Program.cs

@@ -24,6 +24,8 @@ private static void Main(string[] args)
 
             //Run the window.
             window.Run();
+
+            window.Dispose();
         }
 
 

examples/CSharp/OpenGL Tutorials/Tutorial 1.2 - Hello quad/Program.cs

@@ -69,6 +69,8 @@ private static void Main(string[] args)
             window.Closing += OnClose;
 
             window.Run();
+
+            window.Dispose();
         }
 
 

examples/CSharp/OpenGL Tutorials/Tutorial 1.3 - Abstractions/Program.cs

@@ -45,6 +45,8 @@ private static void Main(string[] args)
             window.Closing += OnClose;
 
             window.Run();
+
+            window.Dispose();
         }
 
 

examples/CSharp/OpenGL Tutorials/Tutorial 1.4 - Textures/Program.cs

@@ -46,6 +46,8 @@ private static void Main(string[] args)
             window.Closing += OnClose;
 
             window.Run();
+
+            window.Dispose();
         }
 
 

examples/CSharp/OpenGL Tutorials/Tutorial 1.5 - Transformations/Program.cs

@@ -47,6 +47,8 @@ private static void Main(string[] args)
             window.Closing += OnClose;
 
             window.Run();
+
+            window.Dispose();            
         }
 
 

examples/CSharp/OpenGL Tutorials/Tutorial 2.1 - Co-ordinate Systems/Program.cs

@@ -91,6 +91,8 @@ private static void Main(string[] args)
             window.Closing += OnClose;
 
             window.Run();
+
+            window.Dispose();
         }
 
         private static void OnLoad()