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Did VB6 support multi-threading ?

Posted By :Ghanashyam Nayak     Posted Date :January 03, 2011    Points :15   Category :.NET Framework 
While VB6 supports multiple single-threaded apartments, it does not support a freethreading
model, which allows multiple threads to run against the same set of data.

You can also find related Interview Question to Did VB6 support multi-threading ?  below: 

What is Multi-threading ?

  
Multi-threading forms subset of Multi-tasking. Instead of having to switch between programs this feature switches between different parts of the same program. Example you are writing in word and at the same time word is doing a spell check in background. (More...)

What is multi-threading?

  
It is basically trying to do more than one thing at a time within a process.
There are two main ways of multi-threading which .NET encourages: starting your own threads with ThreadStart delegates, and using the ThreadPool class either directly (using ThreadPool.QueueUserWorkItem) or indirectly using asynchronous methods (such as Stream.BeginRead, or calling BeginInvoke on any delegate). (More...)

What is multi-threading?

  
Multi-threading forms subset of multi-tasking instead of having to switch between programs this feature switches between different parts of the same program. For example, we can write in word and at the same time word is doing a spell check in background. (More...)

What is Multi-threading ?

  
Multi-threading forms subset of Multi-tasking. Instead of having to switch between
programs this feature switches between different parts of the same program. Example
you are writing in word and at the same time word is doing a spell check in background. (More...)

Does C# support multiple inheritance?

  
No

C# does not support multiple inheritance. A class can inherit from maximum one base class, although it can implement any number of interfaces. Like Java, C# does not support multiple inheritance, meaning that classes cannot inherit from more than one class (More...)

What programming languages will the .NET Framework support?

  
The .NET Framework is language neutral; virtually any language can target the .NET Framework. Currently, you can build .NET programs in a number of languages, including C++, Microsoft® Visual Basic.NET, _JScript®, and Microsoft's newest language-C#. A large number of third-party languages will also be available for building .NET Framework applications. These languages include COBOL, Eiffel, Perl, Python, Smalltalk, and others. (More...)

What programming languages will the .NET Framework support?

  
The .NET Framework is language neutral; virtually any language can target the .NET Framework. Currently, you can build .NET programs in a number of languages, including C++, Microsoft® Visual Basic.NET, _JScript®, and Microsoft''s newest language-C#. A large number of third-party languages will also be available for building .NET Framework applications. These languages include COBOL, Eiffel, Perl, Python, Smalltalk, and others. (More...)

What are the types of threading models?

  
. Single Threading: This is the simplest and most common threading
model where a single thread corresponds to your entire application's
process.
Apartment Threading (STA): This allows multiple threads to exist in a
single application. In single threading apartment (STA), each thread
is isolated in it's own apartment. The process may contain multiple
threads (apartments) however when an object is created in a
thread (i.e. apartment) it stays within that
apartment. If any communication needs to occur between different
threads (i.e. different apartments) then we must marshal the first
thread object to the second thread.
Free Threading: The most complex threading model. Unlike STA,
threads are not confined to their own apartments. Multiple treads can
make calls to the same methods and same components at the
same time. (More...)

What is Multi-tasking ?

  
It's a feature of modern operating systems with which we can run multiple programs at same time example Word, Excel etc. (More...)

What's Thread.Sleep() in threading ?

  
Thread's execution can be caused by calling the Thread.Sleep method. This method takes an integer value that determines how long the thread should sleep. Example Thread.CurrentThread.Sleep(2000). (More...)

What is Suspend and Resume in Threading ?

  
It is Similar to Sleep and Interrupt. Suspend allows you to block a thread until another thread calls Thread.Resume. The difference between Sleep and Suspend is that the latter does not immediately place a thread in the wait state. The thread does not suspend until the .NET runtime determines that it is in a safe place to suspend it. Sleep will immediately place a thread in a wait state.
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What is Thread.Join() in threading ?

  
There are two versions of Thread.Join :-
. Thread.join().
. Thread.join(Integer) this returns a Boolean value.
The Thread.Join method is useful for determining if a thread has completed before starting another task. The Join method waits a specified amount of time for a thread to end. If the thread ends before the time-out, Join returns true; otherwise it returns False. Once you call Join, the calling procedure stops and waits for the thread to signal that it is done.
Example you have "Thread1" and "Thread2" and while executing 'Thread1" you call "Thread2.Join()".So "Thread1" will wait until "Thread2" has completed its execution and the again invoke "Thread1".
Thread.Join(Integer) ensures that threads do not wait for a long time. If it exceeds a specific time which is provided in integer the waiting thread will start. (More...)

Does C# support friend classes like in C++?

  
No. About the closest you can come is using the internal keyword, which allows access within the current assembly. But, there is no way to specify specific a class that knows about another class's private implementation. (More...)

Does VS.NET support line numbering in its text editor?

  
Yes, from the standard toolbar select Tools | Options.This will open the Options dialog; select the Text Editor folder, pick the language, and click on the check box for line numbering under the display section. (More...)

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