[Bug 754] New - Visual Basic MsgBox causes get_class_ptr error

http://bugs.winehq.com/show_bug.cgi?id=754

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+ +============================================================================+
+ | Visual Basic MsgBox causes get_class_ptr error                             |
+ +----------------------------------------------------------------------------+
+ |        Bug #: 754                         Product: Wine                    |
+ |       Status: UNCONFIRMED                 Version: CVS                     |
+ |   Resolution:                            Platform:                         |
+ |     Severity: normal                   OS/Version: All                     |
+ |     Priority: P1                        Component: wine-kernel             |
+ +----------------------------------------------------------------------------+
+ |  Assigned To: wine-bugs(a)winehq.com                                         |
+ |  Reported By: medbi01(a)accpac.com                                           |
+ |      CC list: Cc:                                                          |
+ +----------------------------------------------------------------------------+
+ |    Milestone: TargetMilestone: ---                                         |
+ |          URL:                                                              |
+ +============================================================================+
+ |                              DESCRIPTION                                   |
+ When running some Visual Basic programs and calling MsgBox to display a message 
+ there will be complaints about get_class_ptr reading from class of other 
+ process.
+ 
+ This is because it looks like the Visual Basic is going around a loop starting 
+ at the Desktop Window's CHILD and following the HWNDNEXT chain deciding if they 
+ need to be activated or not.  In the process it asks for the name of the window 
+ in order to compare it to "ThunderRT6Main".  Unfortunately GetClassName cannot 
+ access the name of a window outside its own process.
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