int m_sashPosition; // Number of pixels from left or top
double m_sashGravity;
int m_sashSize;
wxSize m_lastSize;
int m_requestedSashPosition;
int m_sashPositionCurrent; // while dragging
int m_sashPosition; // Number of pixels from left or top
double m_sashGravity;
int m_sashSize;
wxSize m_lastSize;
int m_requestedSashPosition;
int m_sashPositionCurrent; // while dragging