X[in] This parameter specifies the horizontal coordinate of the point. It is optional, and if you do not specify it, the horizontal coordinate will be equal to 0.Y[in] This parameter specifies the vertical coordinate of the point. It is optional, and if you do not specify it, the vertical coordinate will be equal to 0.Result[out, retval] A pointer to IPoint* pointer variable that receives the interface pointer of the resulting Point object. Must not be NULL.