use modular initing system rather than calling Init() method.

StgSharp.Common/Internal/Graphic/glfw.cs

@@ -32,10 +32,23 @@ using System.Text;
 
 namespace StgSharp.Internal
 {
+    public class GraphicModule : IStaticModule
+    {
+
+        public string ModuleName => "Graphic";
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void InitializeModule()
+        {
+            GraphicFramework.LoadGlfw();
+        }
+
+    }
+
     internal static unsafe partial class GraphicFramework
     {
 
-        private static readonly GLFWFunction _glfw = new GLFWFunction();
+        private static GLFWFunction _glfw ;
 
         public static GLFWFunction glfwContext => _glfw;
 
@@ -44,6 +57,7 @@ namespace StgSharp.Internal
 
         internal static unsafe void LoadGlfw()
         {
+            _glfw = new GLFWFunction();
             fixed (GLFWFunction* func = &_glfw) {
                 glfwLoadLibrary(func);
             }

StgSharp.Common/Internal/StructDefine.cs

@@ -287,8 +287,8 @@ namespace StgSharp.Internal
         private IntPtr cursor; // _GLFWcursor* cursor;
         // glfwVideomode videoMode; // 根据GLFWvidmode的定义转换
         private IntPtr monitor; // _GLFWmonitor* monitor;
-        public fixed byte keys[Constant.GLFW_KEY_LAST + 1];
-        public fixed byte mouseButtons[Constant.GLFW_MOUSE_BUTTON_LAST + 1];
+        public fixed byte keys[FrameworkConstant.GLFW_KEY_LAST + 1];
+        public fixed byte mouseButtons[FrameworkConstant.GLFW_MOUSE_BUTTON_LAST + 1];
 
         // _GLFWcontext viewPortDisplay; // 根据_GLFWcontext的定义转换
 
@@ -497,8 +497,8 @@ namespace StgSharp.Internal
     internal unsafe struct GLFWlibrary
     {
 
-        [MarshalAs(UnmanagedType.ByValArray, SizeConst = Constant.GLFW_JOYSTICK_LAST + 1)]
-        private GLFWjoystick[] joysticks = new GLFWjoystick[Constant.GLFW_JOYSTICK_LAST + 1];
+        [MarshalAs(UnmanagedType.ByValArray, SizeConst = FrameworkConstant.GLFW_JOYSTICK_LAST + 1)]
+        private GLFWjoystick[] joysticks = new GLFWjoystick[FrameworkConstant.GLFW_JOYSTICK_LAST + 1];
 
         private GLFWallocator allocator;