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(succeeded (HR )) {// call the method with pisl // notify the COM Object not to use it pisl-> release ();}
Next we will discuss in detail the iunknown interface.
Basic interface-iunknown
Each COM interface is derived from iunknown. This name is a bit misleading and does not mean an unknown interface. Its original inte
operating system and the COM objects provided by third parties.
This article assumes that you are proficient in C + + language. MFC and ATL are used in the example code, and if you are unfamiliar with MFC and ATL, this article will explain the code in a complete and thorough light.
This article includes the following sections:
What the hell
CoFreeUnusedLibraries () API while your application is idle. This API will unload any COM servers that are not clearly referenced, so this also reduces the memory overhead used by the application.Continue with the example above to illustrate how to use release ():Create a COM object as above, and then, if (SUCCEEDED
What is COM?The so-called COM (Componet Object Model, Component Object Model) is a specification that describes how to establish dynamically changing components. This SPECIFICATION provides a way to ensure interoperability, some binary and network standards that customers an
upgraded without interfering with existing users.
The COM component can be transparently assigned a location on the network.
COM components declare their existence in a standard way
Faq2: The component is not ......? Chapter 1 〗
Answer:
COM component is not a co
location on the network.
COM components declare their existence in a standard way
Faq2: The component is not ......? Chapter 1 〗
Answer:
COM component is not a computer language
The COM component is not a DLL, but the D
If the header file is not provided, COM is used in C ++.
When testing com with CPP, use the _ I. C and *. H files generated by midl. This article demonstrates using the com method with CPP without these files.
The test project m
, two pure abstract base classes IX and IY are used. The key to summarizing the above code is:
The 1.COM interface is implemented in C + + with pure abstract base classes.2. A COM component can provide multiple interfaces;3. A C + + class can use multiple inheritance to imp
XPhone is used to manage the COM library of Android and IOS devices. xphoneandroid
After a long time, I finally came out with the SDK of the first test version. The functions are not complete yet, and there must be a lot of bugs, if you like the research, you can help with the test and complete the demo.
XPhone is
What is a COM component?What kind of software products do users need? This is a multi-choice question, but it is highly efficient and robust. How can a software developer meet users' needs? Ensure that the backward compatibility w
What is com?The so-called COM (componet object model, Component Object Model) is a specification that describes how to establish dynamically changing components. This SPECIFICATION provides a way to ensure interoperability, some binary and network standards that customers an
What is com?The so-called COM (componet object model, Component Object Model) is a specification that describes how to establish dynamically changing components. This SPECIFICATION provides a way to ensure interoperability, some binary and network standards that customers an
1. What is COMCOM (Component component Obiect object model), is a set of language-independent, binary, object-oriented, reusable component specifications..2.COM objectsIn the COM specification, there is no strict definition of
What is a component?
A component is similar to a micro application, which is already compiled, linked, and ready to use, and the application is packaged with multiple such components. Custom components can be connected to other components at run time to form an application.
]-Qa time.
If there are any mistakes in the above blog posts or you have any questions, opinions, and suggestions about this ID blog, please give me feedback in time. Thank you for reading this article.
What is redis?
Generally, there are several types of databases, including SQL/nsql, relational databases, and key-value databases, redis is also a key-value da
COM: The Component Object Model
The COM component is compiled and written according to the COM rule, and is written in the Win32 dynamic link library (DLL) or executable file (EXE) form.
The cloth can carry binary code, which is s
what circumstances are indexes, but not used?Indexes do not always take effect, such as the following, which will invalidate the index :
If there is or in the condition, even if some of the conditions in the index are not used ( which is why the use of or
What is annotation, how to use annotation, why is annotation used, and why is annotation used
Annotation
Annotation can be seen as an extension template for a class/method. Each class/method i
array to get the character array.
Let's explain the problem of the subject.
I did the same experiment in the default terminal of ubuntu kylin Chinese environment, but the result is exactly the opposite to that of the subject:
See no?
Neither the subject nor I lie. Why?
Because
Unicode ("Chinese character", "gb2312 ")I think the key is to distinguish between the concept of "Byte" and "character",
What is PHP used ?, Is PHP used?
To master PHP is to use computers to develop rules. Framework tp3.2/5.2
In Structured Programming, programs are designed around the tasks to be solved.
In object-oriented programming, the progra
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