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Active Template Library
Last updated: Dec 29, 2022

Active Template Library

With ATL, microsoft intended to provide simplifies programming models - Component Object Model which is based on C++ classes. It includes the object wizard which is responsible for setting up the basic structure of the objects.
ATL Control Containment EASY
The blog gives an overview of the active template library and the ATL Control Containment.
Author Komal
0 upvotes
ATL COM property pages EASY
The blog gives an overview of the active template library and the ATL COM property pages.
Author Komal
0 upvotes
Debugging Tips for ATL EASY
The blog gives an overview of the active template library and debugging tips for the same.
Author Komal
0 upvotes

Introduction to ATL

What is Active Template library? Why do we need it? You will get to understand some backstory of Active template library in C++. Practically speaking, how to implement various things in ATL such as objects and structures.
How to implement ATL objects?
This blog explains Active Template Library. In detail, we will discuss ATL, COM, the implementation of ATL objects, and many more.
Author Aditi
0 upvotes
Supporting IDispatch and IErrorInfo, IDispEventImpl in ATL
This blog explains the details of Supporting IDispatch and IErrorInfo, IDispEventImpl in ATL along with the Introduction to COM, implementation of ATL object, Changing the default class factory, and aggregation model and implantation of the dual interface.  
Author Nilesh Kumar
0 upvotes
Changing the default class factory and aggregation model in ATL
This blog explains the details of SChanging the default class factory and aggregation model in ATL along with the implementation of ATL object, Supporting IDispatch and IErrorInfo, IDispEventImpl in ATL, dual interface, Multiple dual interfaces.
Author Nilesh Kumar
0 upvotes

ATL Composite Control Fundamentals

You must be thinking what is composite control now? We will learn about how to insert a composite control in ATL. Moving a bit further we will be wrapping up with how to modify the ATL project and adding the functionality to the composite control.
Inserting a composite control in ATL MEDIUM
In the Article, we read about inserting a composite control in ATL. We found out about the steps and the elements relating to them.
Author Sayed Fahim Ali Dawdye
0 upvotes
Modifying the ATL Project and Adding Functionality to the Composite Control MEDIUM
In the Article, we read about Modifying the ATL project and adding functionality to the composite control. We also read about handling events from ActiveX controls.
Author Sayed Fahim Ali Dawdye
0 upvotes

ATL Collections and Enumerators

In C and C++, we talked about enumerators and collections. Being a part of C++, you will be learning those topics here as well. Also,we will be combining standard library based collection and ATL here.
ATL Collection, Enumerators and its Classes MEDIUM
In the Article, we read about the ATL collection and enumerators. We will see what it gives and read about its classes.
Author Sayed Fahim Ali Dawdye
0 upvotes
Implementing a C++ Standard Library Based Collection MEDIUM
This blog explains the details of Implementing a C++ Standard Library Based Collection.
Author kittusinghkumar
0 upvotes

ATL Connection Points

What are ATL connection Points? Connectable object? we will be dealing around and with this question more or less. We will also briefly describing about the ATL classes that support the connection points and how you can add the connection points to an object.
ATL connection point classes EASY
You'll learn about ATL connection point classes in this article.
Author Muskan Sharma
0 upvotes
How to add connection points to an object?
In this article, you'll learn about adding connection points to an object
Author Muskan Sharma
0 upvotes

Event handling in ATL

What do you mean when you see you have to sink some events. We will be learning about how ATL helps to sink the events. But first you need to go through some COM principles that will be important while sinking events.
Implementing the event handling interface EASY
In this article, we will learn to implement the event-handling interface of the Active template library.
Author Sanjana Yadav
0 upvotes
Event Handling using IDispEventImpl MEDIUM
Various aspects of Event Handling using IDispEventImpl in detail and in brief about Event Handling.
Author Rupal Saluja
0 upvotes
Event Handling using IDispEventSimpleImpl EASY
In this article, we will learn to implement the event-handling interface of the Active template library using the IDispEventSimpleImpl class.
Author Sanjana Yadav
0 upvotes

ATL Window Classes

Window implementation is what ATL classes provides us with. We would be looking at some of those classes. and briefly describing the classes and then discussing how we can use a window, implement it etc.
How does ATL implement contained windows?
This blog discusses how ATL implements contained windows. We will also be looking in through CContainedWindowT.
Author Rasha Abdul Khader
0 upvotes
Adding an ATL message handler
This blog discusses how adding an ATL message handler can be implemented.
Author Rasha Abdul Khader
0 upvotes
Implementing a Window with CWindowImpl
This article will extensively discuss implementing a window with CWindowImpl.
Author Anuradha_8356
0 upvotes

ATL Registrar

Its a registry component. Don't think much. It is responsible for the optimization access to the system registry through a custom interface. You will be learning about the registrar even more step by step.
Backus-Naur form (BNF)
This article will extensively discuss the Backus-Naur form (BNF), its syntax, and some examples.
Author Anuradha_8356
0 upvotes
Parse trees HARD
This article incorporates information on the parse tree and how to parse tree in ATL.
Author dhananjay kumar
0 upvotes

ATL and C-Run Time code(CRT)

What are the benefits of using the C-Run Time code (CRT) either by static or dynamic linking? One by one you will go through some further concepts related to same. Also, summarization of tradeoffs and benefits of using it.
Programming with CComBSTR in ATL
In this blog, we will discuss CComBSTR Class, along with its methods and associated issues.
Author Ayushi Goyal
0 upvotes

ATL Class

ATL have a wide variety of classes that it plays around and we will be spending time, going through them one by one with greater look towards things. We will be going about the collection classes, module classes etc.
Class Factories Class-CComClassFactory MEDIUM
In this article, we are going to learn about the CComClassFactory class. We will understand its methods and benefits.
Author Lokesh Sharma
1 upvote
Class factories class-CComClassFactoryAutoThread MEDIUM
This blog explains the details of Class factories class-CComClassFactoryAutoThread
Author Kumari Chandni
0 upvotes
Class Information Classes EASY
In this blog, we will be looking at Class Information Classes in the Microsoft active template library.
Author Soumya Agrawal
0 upvotes
Composite Controls Classes MEDIUM
In this blog, we will discuss composite control classes in the active template library of Microsoft with various member functions.
Author Ayush Mishra
0 upvotes
ATL Controls HARD
This article incorporates information on Active template library controls and Component Object Models.
Author dhananjay kumar
0 upvotes
Data types classes
This article will extensively discuss Data types classes.
Author Anuradha_8356
0 upvotes
Debugging and Exceptions classes MEDIUM
This article discusses the Debugging and exception classes in the active template library.
Author Rhythm Jain
0 upvotes
Enumerators and collections class-CComEnum
In this blog, we have discussed the enumerators and collections class- CComEnum of ATL in c++.
Author Piyush Kaushal
0 upvotes
Enumerators and collections class-CComEnumOnSTL
In this blog, we have discussed the enumerators and collections class- CComEnumOnSTL of C++.
Author Rasha Abdul Khader
0 upvotes
File Handling Class-CAtlFile MEDIUM
In this article, we will learn descriptively about file handling classes in CAtlFile and their member functions.
Author Kanak Rana
1 upvote
File Handling Class-CAtlFileMappingBase MEDIUM
In this article, we will learn about the CAtlFileMappingBase with proper syntax, methods, etc., in a detailed manner.
Author Kanak Rana
1 upvote
Memory Management Class-CAutoPtr EASY
In this article, we will cover the topic of the Memory management class-CAutoPtr.
Author Yukti Kumari
0 upvotes
Memory Management Class-CAutoPtrArray and CAutoPtrList EASY
In this article, we will cover the topic of the Memory management class-CAutoPtrArray and CAutoPtrList.
Author Yukti Kumari
0 upvotes
Memory Management Class-CAutoVectorPtr MEDIUM
In this article, we are going to discuss CAutoVectorPtr as a memory management class of Microsoft ATL.
Author Lokesh Sharma
1 upvote
Memory Management Class-CComAllocator MEDIUM
In this article, we will learn about CComAllocator Class. We will discuss its various members and understand their work.
Author Lokesh Sharma
1 upvote
Memory Management Class- CComHeap and CComHeapPtr HARD
In this article, we will learn about the memory management class- CComHeap and CComHeapPtr. These classes support heap and smart pointers.
Author Nidhi Kumari
1 upvote
MMC Snap-In Class CSnapInItemImpl MEDIUM
In this article, we will cover all about the MMC snap-in class CSnapInItemImpl.
Author Yukti Kumari
0 upvotes
MMC Snap In Class CSnapInPropertyPageImpl MEDIUM
In this article, we will cover all about the MMC snap-in class CSnapInPropertyPageImpl.
Author Yukti Kumari
0 upvotes
Memory Management Class-CComPtr and CComPtrBase MEDIUM
In this article, we will cover the topic of the Memory management class-CComPtr and CComPtrBase.
Author Yukti Kumari
1 upvote
Registry Support Classes MEDIUM
In this article, we will explore the registry support classes. These classes have methods that allow you to manipulate the system registry.
Author tyagiGauri
1 upvote
Service Provider Support Classes MEDIUM
In this blog, we will be looking at service provider support classes in the Microsoft active template library.
Author Anshika Bansal
0 upvotes
Thread pooling class-CComApartment MEDIUM
This blog explains the details of thread pooling class-CComApartment.
Author Kumari Chandni
0 upvotes
UI Support Class-IOleObjectImpl MEDIUM
This article discusses the class IOleObjectImpl of the Active Template Library.
Author kaido
0 upvotes
UI Support Class-IOleInPlaceObjectWindowlessImpl EASY
This article will discuss IOleInPlaceObjectWindowlessImpl support class along with its member functions. We will also discuss their syntaxes and where to add those member functions.
Author Alankrit Srivastava
0 upvotes
Windows Support Class - CWindow EASY
This blog explains the details of CWindow Windows Support Class and its methods.
Author kittusinghkumar
0 upvotes
Windows Support Class - CWindowImpl MEDIUM
This blog explains the details of CWindowImpl Windows Support Class and its methods.
Author kittusinghkumar
0 upvotes
Windows support class-CDialogImpl EASY
This blog will discuss Windows support class-CDialogImpl in the active template library with various member functions.
Author Alisha
0 upvotes
Windows support class-CAxDialogImpl MEDIUM
This blog will discuss Windows support class-CAxDialogImpl in the active template library with various member functions.
Author Alisha
0 upvotes
Windows support class-CAxWindow MEDIUM
This blog will discuss the Windows support class-CAxWindow, and the Windows support class-CAxWindow members with code.
Author Nilesh Kumar
0 upvotes
Windows support class-CContainedWindowT MEDIUM
This blog will discuss the Windows support class-CContainedWindowT, and the Windows support class-CContainedWindowT members with code.
Author Nilesh Kumar
0 upvotes
UtilityClass-CPoint EASY
This article will discuss the UtilityClass-CPoint and how it is used
Author Shubham Das
0 upvotes
UtilityClass-CRect EASY
This article will discuss UtilityClass-CRect of ATL(Active Template Library).
Author ARGHYADEEP ADHIKARY
0 upvotes
UtilityClass-CSize MEDIUM
 In this article, we will learn about UtilityClass-CSize. It is one of the several classes provided by Active Template Library.
Author Shiva
0 upvotes