junkew, Nice to see a comment. I'm using the UIAutomation object because it was tests with RectToVariant and VariantToRect (especially RectToVariant) methods that gave me the idea for the entire Accessing AutoIt Variables project 1½ years ago. In addition, the object contains enough methods and is available on all PCs from Windows XP SP3 to Windows 10. I could have used any other object containing enough methods and found on all PCs. AccArrays.au3 is the UDF that's used to replace