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27 ATL ATL Questions And Answers

21⟩ What Is "AtlAxWin80"?

"AtlAxWin80" is the name of a window class that helps

provide ATL's control-hosting functionality. When you

create an instance of this class, the window procedure will

automatically use the control-hosting API to create a host

object associated with the window and load it with the

control that you specify as the title of the window. For

more information, see How Do I Load Controls Specified at

Run Time?.

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22⟩ Which ATL Classes Facilitate ActiveX Control Containment?

ATL's control-hosting code doesn't require you to use any

ATL classes; you can simply create an "AtlAxWin80" window

and use the control-hosting API if necessary (for more

information, see What Is the ATL Control-Hosting API?).

However, the following classes make the containment

features easier to use.

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25⟩ What is class description of CWindow?

Provides a method, GetDlgControl, that will return an interface pointer on a control, given the ID of its host window. In addition, the Windows API wrappers exposed by CWindow generally make window management easier.

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