[Bug 53868] New: vbscript fails to return TypeName for VT_DISPATCH

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=53868

            Bug ID: 53868
           Summary: vbscript fails to return TypeName for VT_DISPATCH
           Product: Wine
           Version: 7.20
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: vbscript
          Assignee: wine-bugs(a)winehq.org
          Reporter: jsm174(a)gmail.com
      Distribution: ---

I ran into some vbscript where it was trying to get the TypeName of an object:

        Private Sub RemoveBall(aBall)
                dim x : for x = 0 to uBound(balls)
                        if TypeName(balls(x) ) = "IBall" then
                                if aBall.ID = Balls(x).ID Then
                                        balls(x) = Empty
                                        Balldata(x).Reset
                                End If
                        End If
                Next
        End Sub


I was able to work around this by added a VT_DISPATCH case to Global_TypeName
and fetching it from ITypeInfo_GetDocumentation:

        case VT_DISPATCH: {
            ITypeInfo* typeinfo;
            HRESULT hres = IDispatch_GetTypeInfo(V_DISPATCH(arg), 0, 0,
&typeinfo);
            if(FAILED(hres)) {
                return E_FAIL;
            }
            BSTR name;
            hres = ITypeInfo_GetDocumentation(typeinfo, MEMBERID_NIL, &name,
NULL, NULL, NULL);
            if(FAILED(hres)) {
                return E_FAIL;
            }
            hres = return_string(res, name);
            SysFreeString(name);
            return hres;
        }

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