隐藏一个函数不暴露在.h中

src/Platform/Win/WinWindow.cpp

@@ -2,14 +2,13 @@
 
 namespace hgl
 {
+    LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
+
 	namespace
 	{
 		constexpr wchar_t WIN_CLASS_NAME[] = L"CMGameEngine/ULRE Window Class";
-	}
 
-    LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
+        bool RegistryWinClass(HINSTANCE hInstance)
-
-	bool WinWindow::Registry()
         {
             WNDCLASSEXW win_class;
 
@@ -30,6 +29,7 @@ namespace hgl
 
             return RegisterClassExW(&win_class);
         }
+	}//namespace
 
 	bool WinWindow::Create()
 	{
@@ -99,7 +99,7 @@ namespace hgl
 
 		hInstance = GetModuleHandleW(nullptr);
 
-		if (!Registry())
+		if (!RegistryWinClass(hInstance))
 			return(false);
 
 		if(!Create())

src/Platform/Win/WinWindow.h

@@ -17,7 +17,6 @@ namespace hgl
 
     protected:
 
-        bool Registry();
         bool Create();
 
         void OnClose() override{Close();}