Method GL.glIsList()
- Method glIsList
 intglIsList(intlist)- Description
 glIsList returns GL_TRUE if list is the name of a display list and returns GL_FALSE otherwise.
- Parameter 
list Specifies a potential display-list name.
- Throws
 GL_INVALID_OPERATION is generated if glIsList is executed between the execution of glBegin and the corresponding execution of glEnd.