node wxSlider
var value of integer
var min of integer
var max of integer
var style of flags wxSL_HORIZONTAL,wxSL_VERTICAL,wxSL_AUTOTICKS,wxSL_LABELS,wxSL_LEFT,wxSL_TOP,wxSL_RIGHT,wxSL_BOTTOM,wxSL_BOTH,wxSL_SELRANGE
var tickfreq of integer
var pagesize of integer
var linesize of integer
var thumb of integer
var tick of integer
var selmin of integer
var selmax of integer
derived from control
