comctl32: cchTextMax needs to be set for LVS_OWNERDATA as it uses LVN_GETDISPINFO notifications

Nikolay Sivov bunglehead at
Sat Jan 2 08:14:44 CST 2010

On 1/2/2010 13:56, Jeff Latimer wrote:
> On 02/01/10 21:42, Nikolay Sivov wrote:
>> On 1/2/2010 12:48, Jeff Latimer wrote:
>>> ---
>>>  dlls/comctl32/listview.c |    1 +
>>>  1 files changed, 1 insertions(+), 0 deletions(-)
>> Actually setting buffer count is noop here, cause buffer pointer is 
>> not set up for dispInfo.item.
> Because it is tied up with callbacks, I have observed that the 
> callback routine in the app may be the issue here.  It looks to be 
> used in at least one case.
It's tied of course, but such partial change isn't clear, if you have a 
real problem with that, please file a bug with application or test affected.
>> A test required for this - let's say check that an ownerdata listview 
>> send LVN_GETDISPINFO before text update and the same thing for 
>> callback text (don't remember now maybe similar tests are already in).
> I can do a test but not for 2 weeks (summer holidays).
Summer? Ok.

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