[Bug 3752] New: _copy_arg TKIND_DISPATCH unhandled for target vt 0x8.

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=3752

           Summary: _copy_arg TKIND_DISPATCH unhandled for target vt 0x8.
           Product: Wine
           Version: CVS
          Platform: All
               URL: http://www.ExpressPCB.com
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: wine-ole
        AssignedTo: wine-bugs(a)winehq.org
        ReportedBy: marcus(a)jet.franken.de
                CC: srmcqueen(a)mcqueentech.com


------- Additional Comment #5 From Steven R. McQueen 2005-08-31 05:23 -------     
I have encountered this bug running the ExpressSCH.exe and ExpressPCB.exe   
programs  that can be downloaded as freeware from http://www.ExpressPCB.com. I   
was running the 20050524 version in a Fedora 4 system. The bug is 100%   
reproducible, even when attempting to run with native DLL's. Native DLL's give   
a   
different sequence of error messages, but it seems to be approximately the   
same problem.   
  
... Marcus says:  
  
Not the same problem. At one point of time the program does:  
  
trace:ole:ITypeInfo_fnInvoke (0x57ab5f50) 
(0x55918980,id=3,flags=0x00000003,0x55c  
0f704,0x55c0f8b4,0x55c0f6e4,0x55c0f714) partial stub!  
trace:ole:dump_DispParms args=1 named args=0  
trace:ole:dump_Variant 0x55c0f78c->{VT_BSTR,L"MoveToTopLayer"}  
trace:ole:ITypeInfo2_fnGetFuncIndexOfMemId (0x57ab5f50) memid 0x00000003  
invKind  
 0x0003 -> SUCCESS  
trace:ole:ITypeInfo_fnGetFuncDesc (0x57ab5f50) index 4  
trace:ole:ITypeInfo_fnInvoke invoking:  
memid is 00000003  
Param 0:  
                tdesc.vartype 26 (ptr to ptr to VT_USERDEFINED ref = c1c)  
                u.parmadesc.flags a  
                u.parmadesc.lpex (nil)  
        funckind: 1 (pure virtual)  
        invkind: 2 (property get)  
        callconv: 4 (stdcall)  
        oVft: 44  
        cParamsOpt: 0  
        wFlags: 0  
        elemdescFunc (return value type):  
                tdesc.vartype 25 (VT_HRESULT)  
                u.parmadesc.flags 0  
                u.parmadesc.lpex (nil)  
0009:Call ntdll.RtlAllocateHeap(558b0000,00000000,00000010) ret=55f4b817  
0009:Ret  ntdll.RtlAllocateHeap() retval=57acbed0 ret=55f4b817  
0009:Call ntdll.RtlAllocateHeap(558b0000,00000000,00000008) ret=55f4b876  
0009:Ret  ntdll.RtlAllocateHeap() retval=57ac8580 ret=55f4b876  
0009:Call ntdll.RtlAllocateHeap(558b0000,00000008,00000000) ret=55f4b8a1  
0009:Ret  ntdll.RtlAllocateHeap() retval=57acc488 ret=55f4b8a1  
trace:ole:ITypeInfo_fnGetContainingTypeLib returning pIndex=28  
trace:ole:ITypeLib2_fnAddRef (0x55947688)->ref was 4  
trace:ole:ITypeInfo_fnGetContainingTypeLib returning ppTLib=0x55947688  
trace:ole:ITypeLib2_fnGetTypeInfo (0x55947688)->(index=31)   
trace:ole:ITypeLib2_fnAddRef (0x55947688)->ref was 5  
trace:ole:ITypeInfo_fnAddRef (0x559673c8)->ref is 2  
trace:ole:ITypeLib2_fnGetTypeInfo -- found (0x559673c8)  
trace:ole:ITypeLib2_fnRelease (0x55947688)->(5)  
trace:ole:ITypeInfo_fnGetRefTypeInfo (0x57ab5f50) hreftype 0x0c1c loaded  
SUCCESS  
 (0x559673c8)  
trace:ole:ITypeInfo_fnGetTypeAttr (0x559673c8)  
0009:Call ntdll.RtlAllocateHeap(558b0000,00000000,0000004c) ret=55f478ca  
0009:Ret  ntdll.RtlAllocateHeap() retval=57acc4a0 ret=55f478ca  
fixme:ole:_copy_arg TKIND_DISPATCH unhandled for target vt 0x8.  
  
the userdefined is apparently a TKIND_DISPATCH ... but is not VT_BSTR 
convertible.

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