1 files changed, 3 insertions, 0 deletions
diff --git a/Magic2/StdAfx.h b/Magic2/StdAfx.h
index aa81375..67f99f5 100644
--- a/Magic2/StdAfx.h
+++ b/Magic2/StdAfx.h
@@ -11,6 +11,9 @@
 #endif // _MSC_VER > 1000
 
 #define VC_EXTRALEAN		// Exclude rarely-used stuff from Windows headers
+#define WIN32_LEAN_AND_MEAN
+
+#define _WIN32_WINNT 0x0502 // XP is the lowest supported OS
 
 #include <afxwin.h>         // MFC core and standard components
 #include <afxext.h>         // MFC extensions