class WXDLLEXPORT wxBitmapButtonBase : public wxButton
{
public:
- wxBitmapButtonBase() { m_marginX = m_marginY = 0; }
+ wxBitmapButtonBase()
+ : m_bmpNormal(), m_bmpSelected(), m_bmpFocus(), m_bmpDisabled()
+ , m_marginX(0), m_marginY(0)
+ { }
// set the bitmaps
void SetBitmapLabel(const wxBitmap& bitmap)