Where do I find the Infragistics extension for TestComplete?

[timhaston]

The documentation for TestComplete says there an Infragistics extension.
However, when I go to Files->Install Extension, the Infragistics extension does not show up anywhere in the dialog. 

There is Component One and Telerik, etc.

Do I need to download it separately? Or is it there but doesn't show?

[rraghvani]

See Supported Infragistics Controls

[DWalsh · Accepted solution]

As mentioned above there are a list of controls that is supported and in Tools >default project properties >Project >Object Mapping you will see if they are active or not.