(vlax-safearray->list (vlax-variant-value (vlax-get-property obj 'InsertionPoint)))

 

(vlax-get obj 'insertionpoint)

 

(vlax-safearray->list (vlax-variant-value (vla-get-insertionpoint obj)))

 

(safearray-value (variant-value (vlax-get-property obj 'InsertionPoint)))