添加消息处理函数

main.cpp

@@ -1,5 +1,19 @@
 #include <windows.h>
 
+/**
+*ÏûÏ¢´¦Àíº¯Êý
+*/
+LRESULT CALLBACK GLWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+	switch (msg)
+	{
+	case WM_CLOSE:
+		PostQuitMessage(0);
+		return 0;
+	}
+	return DefWindowProc(hwnd, msg, wParam, lParam);
+}
+
 INT WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
 {
 	/*×¢²á´°¿Ú*/
@@ -12,7 +26,7 @@ INT WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 	wndclass.hIcon = NULL;
 	wndclass.hIconSm = NULL;
 	wndclass.hInstance = hInstance;
-	wndclass.lpfnWndProc = NULL;
+	wndclass.lpfnWndProc = GLWindowProc;
 	wndclass.lpszClassName = L"GLWindow";
 	wndclass.lpszMenuName = NULL;
 	wndclass.style = CS_VREDRAW | CS_HREDRAW;