- determine if a name corresponds to a display-list



C SPECIFICATION


PARAMETERS

       _param1  Specifies a potential display-list name.


DESCRIPTION

       glIsList  returns GL_TRUE if _param1 is the name of a dis-
       play list and returns GL_FALSE otherwise.


ERRORS

       GL_INVALID_OPERATION is generated if glIsList is  executed
       between  the  execution  of  glBegin and the corresponding
       execution of glEnd.


SEE ALSO

       glCallList,   glCallLists,   glDeleteLists,    glGenLists,
       glNewList



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