Alex Villacís Lasso wrote:
Robert Shearman wrote:
What hRefType is passed to the function? I don't think the above is
quite correct. Can you try changing the if statement to something
like this:
if (hRefType == -1 &&
(This->TypeAttr.typekind == TKIND_DISPATCH) &&
(This->TypeAttr.wTypeFlags &
(TYPEFLAG_FDUAL|TYPEFLAG_FDISPATCHABLE)))
That would not keep the app from crashing. For the case of
DBGRID32.OCX, hRefType is systematically == 19, and it says so in the
ERR message just before the crash. However, on a second look, maybe
the problem is not that the function performs the wrong action, but
that it returns the wrong value (E_FAIL, should be
TYPE_E_ELEMENTNOTFOUND). I have to check this alternate theory on my
home machine.
Alex Villacís Lasso
More information: if the flag dumping portion of the patch is applied,
but the condition portion is not, and a dump of the available references
is added, the following is the result when trying to load DBGRID32.OCX:
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x0640
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x0190
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x03e8
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x0031
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x0708
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x0258
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x00c8
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x003d
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x0578
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0x07d0
fixme:ole:ITypeInfo_fnGetRefTypeInfo pRefType->reference == 0xffffffff
fixme:ole:ITypeInfo_fnGetRefTypeInfo Can't find pRefType for ref 19
fixme:ole:ITypeInfo_fnGetRefTypeInfo typekind is TKIND_DISPATCH
fixme:ole:ITypeInfo_fnGetRefTypeInfo wTypeFlags are: TYPEFLAG_FHIDDEN
TYPEFLAG_FNONEXTENSIBLE TYPEFLAG_FDISPATCHABLE
wine: Unhandled page fault on read access to 0x00000010 at address
0x230f4f31 (thread 0009), starting debugger...
BTW, no luck on the bad-return-value theory, the app keeps crashing.
Alex Villacís Lasso
