The Position property retrieves or sets a value that indicates the position of the value-axis. The Index property returns the index of the value-axis (0-based). The Add method adds a ValueAxis object to the collection and returns a reference to the newly created object. The Remove method removes a specific member from the ValueAxes collection, giving its identifier. The Clear method Removes all objects in the collection. The Item property accesses a value-axis giving its index or key.