C#•3y ago•

226 replies

❔ Windows BackgroundService

Hello. So I'm a beginner at C# and a beginner and making services, so I'm not sure how stupid some one the questions I'm about to ask might sound. Regardless I would really appreciate if someone could either explain me things or link to useful documentation.
I have the following questions regarding Windows Services in C#:

1- From my understanding, the flow of the Service goes as follows (I'll be referring to

BackgroundServices

BackgroundServices

, since that is what the documentation advice me to use, apparently it's the modern approach to making a Service in Windows):
In the

Program.cs

Program.cs

file, we have a

builder

builder

, we give the

builder

builder

information about the classes that are going to do tasks (?) and then we tell it to

.Run()

.Run()

. So I assume this is the code that will run when in the shell I do

sc.exe create <service_name.exe>

sc.exe create <service_name.exe>

. Please correct me If I'm wrong. Then I need to start the service so that it starts doing the thing I tell it to do, and I would stop it if I wanted to stop the service. To kill the service I would need to delete it. This would all be done using the

sc.exe

sc.exe

.

2- Still regarding

Program.cs

Program.cs

, what is a

HostApplicationBuilder

HostApplicationBuilder

, and why do I need one? The documentation that I followed (https://learn.microsoft.com/en-us/dotnet/core/extensions/windows-service) used a bunch of

Host

Host

stuff in the

Program.cs

Program.cs

file but didn't really explained what was going on, so this is my biggest question mark so far, is what is going on with the

Program.cs

Program.cs

file.

❔ Windows BackgroundService

BackgroundServices

BackgroundServices

, since that is what the documentation advice me to use, apparently it's the modern approach to making a Service in Windows):
In the

Program.cs

Program.cs

file, we have a

builder

builder

, we give the

builder

builder

information about the classes that are going to do tasks (?) and then we tell it to

.Run()

.Run()

. So I assume this is the code that will run when in the shell I do

sc.exe create <service_name.exe>

sc.exe create <service_name.exe>

sc.exe

sc.exe

.

2- Still regarding

Program.cs

Program.cs

, what is a

HostApplicationBuilder

HostApplicationBuilder

, and why do I need one? The documentation that I followed (https://learn.microsoft.com/en-us/dotnet/core/extensions/windows-service) used a bunch of

Host

Host

stuff in the

Program.cs

Program.cs

file but didn't really explained what was going on, so this is my biggest question mark so far, is what is going on with the

Program.cs

Program.cs

file.

❔ Windows BackgroundService

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