Modification of selected circle data LTCustomizer21 for AutoCAD LT reference manual

ActiveX
    Function set_select_circle(ename As Integer, x As Double, y As Double, z As Double, r As Double) As Boolean
C/C++
    int WINAPI LTC_set_select_circle(int ename,const double center[3],const double &r);

parameter
ename:index number read by select(). Specifies a value in range of 0 - return value of select() -1.
x,y,z or center[]:center point. 1st index is X. 2nd index is Y. 3rd index is Z about center[].
r:radius

return value
ActiveX: True: success. False: failure
C/C++: 1: success. 0: failure