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Prevent crash in case nothing is selected

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@19573 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
2003-03-12 19:48:45 +00:00
parent 6fc391d57d
commit bee5ccc4aa
1 changed files with 8 additions and 4 deletions
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12
src/msw/checklst.cpp
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@@ -298,7 +298,7 @@ bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
return wxListBox::Create(parent, id, pos, size, n, choices, return wxListBox::Create(parent, id, pos, size, n, choices,
style | wxLB_OWNERDRAW, validator, name); style | wxLB_OWNERDRAW, validator, name);
} }
void wxCheckListBox::Delete(int N) void wxCheckListBox::Delete(int N)
@@ -408,15 +408,19 @@ void wxCheckListBox::OnKeyDown(wxKeyEvent& event)
if ( oper != None ) if ( oper != None )
{ {
wxArrayInt selections; wxArrayInt selections;
int count; int count = 0;
if ( HasMultipleSelection() ) if ( HasMultipleSelection() )
{ {
count = GetSelections(selections); count = GetSelections(selections);
} }
else else
{ {
count = 1; int sel = GetSelection();
selections.Add(GetSelection()); if (sel != -1)
{
count = 1;
selections.Add(sel);
}
} }
for ( int i = 0; i < count; i++ ) for ( int i = 0; i < count; i++ )