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assert in GetNextItem() fixed (yes, now it is)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5663 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2000-01-26 00:19:16 +00:00
parent 13771c0847
commit d1022fd6ba
1 changed files with 12 additions and 3 deletions
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15
src/generic/listctrl.cpp
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@ -2335,14 +2335,23 @@ long wxListMainWindow::GetNextItem( long item,
int WXUNUSED(geometry),
int state )
{
long ret = item;
wxCHECK_MSG( (ret == -1) || ((int)ret < GetItemCount()), -1,
long ret = item,
max = GetItemCount();
wxCHECK_MSG( (ret == -1) || (ret < max), -1,
_T("invalid listctrl index in GetNextItem()") );
// notice that we start with the next item (or the first one if item == -1)
// and this is intentional to allow writing a simple loop to iterate over
// all selected items
wxNode *node = m_lines.Nth( (size_t)++ret );
ret++;
if ( ret == max )
{
// this is not an error because the index was ok initially, just no
// such item
return -1;
}
wxNode *node = m_lines.Nth( (size_t)ret );
while (node)
{
wxListLineData *line = (wxListLineData*)node->Data();