Don't wrap-around before first entry.
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@ -95,7 +95,7 @@ bool EDA_VIEW_SWITCHER::TryBefore( wxEvent& aEvent )
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if( wxGetKeyState( WXK_SHIFT ) )
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{
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if( --idx <= 0 )
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if( --idx < 0 )
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m_listBox->SetSelection( (int) m_listBox->GetCount() - 1 );
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else
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m_listBox->SetSelection( idx );
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