Listed in the following table are the ATL source code samples currently available. See the Active Template Library (ATL) Reference for more information about ATL.
| Sample | Description |
| ACTIVEDOC | Implements an ActiveX Document Server. |
| ASYNC | Downloads data asynchronously from a URL. |
| ATLBUTTON | Creates a button that displays itself with three different bitmaps depending on its state. |
| ATLCollections | Demonstrates the use of ICollectionOnSTLImpl and CComEnumOnSTL, and the implementation of custom copy policy classes. |
| ATLCON | Demonstrates a simple control container. |
| ATLDUCK | Demonstrates using connection points with ATL controls. |
| ATLEventHandling | Demonstrates the use of IDispEventImpl and IDispEventSimpleImpl to handle events fired by Microsoft Word. |
| ATLFIRE | Demonstrates how to build a windowed control using ATL. This sample is adapted from the MFC FIRE sample. |
| ATLMOVIE | Demonstrates using compiler COM support and the Active Movie interfaces to play a movie. in an ATL control. |
| ATLPages | Demonstrates the implementation of a property page using IPropertyPageImpl. |
| ATLTangram | Demonstrates managing a large ATL project with multiple project dependencies in the IDE. Also demonstrates some basic COM concepts. |
| BEEPER | Implements a tearoff interface — a collection/enumeration of BSTRs. |
| CDINFO | Plays CD audio tracks and displays information about the tracks in tooltips and a piechart display. |
| CIRC | Creates a control that demonstrates property pages and draws a circle. |
| CIRCCOLL | Implements a collection/enumeration of objects using ATL and STL (C++ Standard Template Library). |
| COMMAP | Shows how different COM interface map entry macros are used. |
| CONNECT | Illustrates the implementation and use of connection points (the IconnectionPointContainer and IConnectionPoint interfaces) in a multithreaded environment. |
| DCOM | Demonstrates how to call a COM object implemented in an NT service from multiple clients running on different machines. |
| DIRECT3D | Creates a control that draws a spinning triangle using the Direct3D graphics library. |
| LABRADOR | Implements an EXE server that does not have any user interface. |
| MFCATL | Illustrates how ATL COM objects can be used in an MFC server EXE. |
| MINIMAL | Implements a minimalist DLL server as an illustration of how small a DLL can be when created with ATL. |
| OPENGL | Creates a control that draws a spinning cube using the OpenGL graphics library. |
| POLYGON | The project files for the ATL Tutorial. Builds a control that implements custom properties, events, property pages, and object safety. |
| SUBEDIT | Creates a subclassed Windows Control. |