Some objects, methods and properties were introduced in a specific version of PC Automation, and are not available in older versions.
An image next to each one shows which version(s) it applies to.

	Indicates that this is only supported in PC Automation Version 11
	Indicates that this is supported in PC Automation Version 11 or newer
	Indicates that this is only supported in PC Automation Version 12
	Indicates that this is supported in PC Automation Version 12 or newer
	Indicates that this is supported in PC Automation Version 11 and 12, and no later versions. (Discontinued from Version 13)