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fix for assert which happened if the checkbox was cleared in a control with wxDP_ALLOWNONE style

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43779 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2006-12-03 21:31:32 +00:00
parent d15e689395
commit 0c8433d097
1 changed files with 3 additions and 1 deletions
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4
src/msw/datectrl.cpp
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@ -343,7 +343,8 @@ wxDatePickerCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
// filter out duplicate DTN_DATETIMECHANGE events which the native
// control sends us when using wxDP_DROPDOWN style
if ( !m_date.IsValid() || dt != m_date )
if ( (m_date.IsValid() != dt.IsValid()) ||
(m_date.IsValid() && dt != m_date) )
{
m_date = dt;
wxDateEvent event(this, dt, wxEVT_DATE_CHANGED);
@ -353,6 +354,7 @@ wxDatePickerCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
return true;
}
}
//else: both the old and new values are invalid, nothing changed
}
}