From 2bc566539b775cda57ef226c450527eb9f4da569 Mon Sep 17 00:00:00 2001
From: Francesco Montorsi <f18m_cpp217828@yahoo.it>
Date: Tue, 13 Jan 2009 18:43:48 +0000
Subject: [PATCH] document operator\!

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58079 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 interface/wx/stream.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/interface/wx/stream.h b/interface/wx/stream.h
index 6398891aa7..2cb6d47e63 100644
--- a/interface/wx/stream.h
+++ b/interface/wx/stream.h
@@ -80,6 +80,23 @@ public:
     */
     virtual bool IsSeekable() const;
 
+    /**
+        Returns the opposite of IsOk().
+        You can use this function to test the validity of the stream as if
+        it was a pointer:
+
+        @code
+            bool DoSomething(wxInputStream& stream)
+            {
+                wxInt32 data;
+                if (!stream.Read(&data, 4))
+                    return false;
+                ...
+            }
+        @endcode
+    */
+    bool operator!() const;
+
 protected:
 
     /**
-- 
2.45.2