(event.GetEventObject() == m_btnPrev),
wxT("unknown button") );
+ wxCHECK_RET( m_page, _T("should have a valid current page") );
+
// ask the current page first: notice that we do it before calling
// GetNext/Prev() because the data transfered from the controls of the page
// may change the value returned by these methods
- if ( m_page && (!m_page->Validate() || !m_page->TransferDataFromWindow()) )
+ if ( !m_page->Validate() || !m_page->TransferDataFromWindow() )
{
// the page data is incorrect, don't do anything
return;