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Process HDN_TRACK in wxMSW wxHeaderCtrl just in case.

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This message is not supposed to be sent but apparently some buggy comctl32.dll
versions do send it instead of HDN_ITEMCHANGING, so handle it too.

Closes #13506.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73293 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2012-12-28 16:03:16 +00:00
parent 31a1584724
commit f69306fe61
1 changed files with 5 additions and 0 deletions
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5
src/msw/headerctrl.cpp
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@@ -587,6 +587,11 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
} }
break; break;
// The control is not supposed to send HDN_TRACK when using
// HDS_FULLDRAG (which we do use) but apparently some versions of
// comctl32.dll still do it, see #13506, so catch both messages
// just in case we are dealing with one of these buggy versions.
case HDN_TRACK:
case HDN_ITEMCHANGING: case HDN_ITEMCHANGING:
if ( nmhdr->pitem && (nmhdr->pitem->mask & HDI_WIDTH) ) if ( nmhdr->pitem && (nmhdr->pitem->mask & HDI_WIDTH) )
{ {