Asynchronous Programming in C#
Asynchronous programming is a technique used in C# to improve the responsiveness and scalability of applications. Asynchronous programming allows for the execution of multiple operations simultaneously, without blocking the main thread of the program.
This article will discuss what asynchronous programming is and provide an example of how to execute instructions asynchronously in C#.
What is Asynchronous Programming in C#?
In traditional synchronous programming, the program executes one operation at a time, and each operation blocks the program’s main thread until it is completed. Asynchronous programming allows for the execution of multiple operations simultaneously, without blocking the main thread of the program.
Asynchronous programming is achieved through the use of async and await keywords in C#. The await() is used to pause the execution of the method until an asynchronous operation is completed whereas the async() is used to mark a method as asynchronous,
The following code is a simple example of how to perform a simple arithmetic operation asynchronously in C#.
using System.Threading.Tasks;
namespace Async
{
class Program
{
static async Task Main(string[] args)
{
int integer1 = 20;
int integer2 = 30;
int Answer = await AddAsync(integer1, integer2);
Console.WriteLine("Answer: " + Answer);
}
static async Task<int> AddAsync(int integer1, int integer2)
{
await Task.Delay(1000); // Simulate a long-running operation
return integer1 + integer2;
}
}
}
The above code declares a simple arithmetic operation AddAsync() that takes two integer arguments and returns their sum. The await Task.Delay(1000) statement simulates a long-running operation that delays the execution of the method by one second. The Main() calls the AddAsync() method asynchronously using the await keyword. The result of the operation is stored in the result variable, which is then printed to the console:
Conclusion
Asynchronous programming allows for the execution of multiple operations simultaneously, without blocking the main thread of the program. This article provides an example that performs a simple arithmetic operation asynchronously in C#. By using asynchronous programming, you can improve the performance and responsiveness of your C# applications, making them more efficient and scalable.
Source: linuxhint.com