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FIX: a crash when clear an empty listbox

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This commit is contained in:
qPCR4vir 2015-04-29 12:45:37 +02:00
parent 4fcd2edd54
commit 97db67b2a4
1 changed files with 6 additions and 2 deletions
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4
source/gui/widgets/listbox.cpp
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@ -3326,6 +3326,10 @@ namespace nana
void trigger::key_press(graph_reference graph, const arg_keyboard& arg)
{
bool up = false;
if (essence_->lister.size_categ()==1 && essence_->lister.size_item(0)==0)
return ;
switch(arg.key)
{
case keyboard::os_arrow_up: