Passing parameters from WPF application to another WPF application?

Question

I have two applications developed in WPF(c#) which are independent on each other. Suppose Project A and B. they are developed separately. i have connected those projects with the Button in project A, on click of that button i am starting project B with Process.start();

now i need to pass String (login) parameter to the another application (B) so user dont need to login again. I have already seen the Command line argument passing but i dont want to use them. also Application.Current.Properties["parameterStringID"] is not useful because i have different app.config for A and B

Is there any way to do this?

@NahumLitvin : Thanks for help! may be command line will work but i want to know is there any other way to do this? — Avinash patil
– Avinash patil, Commented Dec 30, 2013 at 11:31
but i dont think that will work for me. Can you explain why you think so? — dovid
– dovid, Commented Dec 30, 2013 at 11:43
@lomed : now Ok my friend. i dont want to use them. sorry but i cant explain that why that will not work for me. — Avinash patil
– Avinash patil, Commented Dec 30, 2013 at 11:45

fhnaseer · Accepted Answer · 2013-12-30 11:25:13Z

2

You can send commandline arguments to your application like this.

var applicationPath = "Path to application B exe";
var process = new Process();
process.StartInfo = new ProcessStartInfo(applicationExePath);
process.Arguments = "/login=abc /password=def";
process.Start();

And in your ApplicationB start, handle commandline arguments.

answered Dec 30, 2013 at 11:25

fhnaseer

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5 Comments

Avinash patil Over a year ago

as i said in question they might not work for me.(consider as Special case). :( Sorry bro i wana know another way. thanks for help!

fhnaseer Over a year ago

another method is through sending windows messages, or may be use WCF service,

Avinash patil Over a year ago

i need to create another application for that one? like WCF service application or Widows service application.

fhnaseer Over a year ago

You can create another application as well. But you can also use your current applications to host service in itself. You can make a P2P application.

fhnaseer Over a year ago

msdn.microsoft.com/en-gb/library/ms751502.aspx this is a sample chat client. In which applications talk to each other. You can use this reference and implement the same thing in your application.

Mark Feldman · Accepted Answer · 2013-12-30 11:22:25Z

1

I've solved this in the past by using either anonymous or named pipes, .NET has quite good support for them. There are a few good articles about them on the MSDN site.

answered Dec 30, 2013 at 11:22

Mark Feldman

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2 Comments

Avinash patil Over a year ago

Thanks for help! Do you have its example code. So i can better understand. can you please post it?

Mark Feldman Over a year ago

If you look at the child articles in the link I posted you'll see they have full source code for both server and client side.

Nahum · Accepted Answer · 2013-12-30 12:00:51Z

1

do all your applications have similar login method?

make a AviCompany Login windows service . the service will be also a WCF service that provides method "Login"

see my chart

https://www.lucidchart.com/documents/view/410f-6e48-52c16052-a63b-4a5e0a009f85

answered Dec 30, 2013 at 12:00

Nahum

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2 Comments

Avinash patil Over a year ago

yes my applications having similar login service(WCF). i got your point. but calling Login service again needs the login parameters. what about them?

Nahum Over a year ago

make another function. call it IsUserLoggedIn. call it before calling Login

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