Changeset 44970 in vbox for trunk/include/VBox/com/ErrorInfo.h

Timestamp:

Mar 11, 2013 9:59:05 AM (12 years ago)

Author:

vboxsync

Message:

Main/VirtualBoxClient: add method to perform VM error checking which simplifies client code
com/ErrorInfo: small bugfix (the object where the error information originated was always lost), added a way to inject whole error object structures which needed the bugfix
Frontends/VBoxSDL: sample code how to use the new method

File:

• trunk/include/VBox/com/ErrorInfo.h (modified) (2 diffs)

trunk/include/VBox/com/ErrorInfo.h

@@ -5 +5 @@
 
 /*
- * Copyright (C) 2006-2011 Oracle Corporation
+ * Copyright (C) 2006-2013 Oracle Corporation
  *
  * This file is part of VirtualBox Open Source Edition (OSE), as
@@ -445 +445 @@
 
     /**
+     *  Constructs a new instance from an ErrorInfo object, to inject a full
+     *  error info created elsewhere.
+     *
+     *  @param aInfo    @c true to prevent fetching error info and leave
+     *                  the instance uninitialized.
+     */
+    ErrorInfoKeeper(const ErrorInfo &aInfo)
+        : ErrorInfo(false), mForgot(false)
+    {
+        copyFrom(aInfo);
+    }
+
+    /**
      *  Destroys this instance and automatically calls #restore() which will
      *  either restore error info fetched by the constructor or do nothing