From 709ea28f3264aa5632e5577a4080671173fc6166 Mon Sep 17 00:00:00 2001
From: "kenton@google.com"
 <kenton@google.com@630680e5-0e50-0410-840e-4b1c322b438d>
Date: Wed, 22 Apr 2009 20:06:20 +0000
Subject: Work around windows.h #defining GetMessage().

---
 src/google/protobuf/message.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/google/protobuf/message.h')

diff --git a/src/google/protobuf/message.h b/src/google/protobuf/message.h
index 0674a12c..b4209026 100644
--- a/src/google/protobuf/message.h
+++ b/src/google/protobuf/message.h
@@ -117,6 +117,24 @@
 #else
 #include <iosfwd>
 #endif
+
+#if defined(_WIN32) && defined(GetMessage)
+// windows.h defines GetMessage() as a macro.  Let's re-define it as an inline
+// function.  This is necessary because Reflection has a method called
+// GetMessage() which we don't want overridden.  The inline function should be
+// equivalent for C++ users.
+inline BOOL GetMessage_Win32(
+    LPMSG lpMsg, HWND hWnd,
+    UINT wMsgFilterMin, UINT wMsgFilterMax) {
+  return GetMessage(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax);
+}
+#undef GetMessage
+inline BOOL GetMessage(
+    LPMSG lpMsg, HWND hWnd,
+    UINT wMsgFilterMin, UINT wMsgFilterMax) {
+  return GetMessage_Win32(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax);
+}
+#endif
 
 #include <google/protobuf/stubs/common.h>
 
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