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Sample code for Southwest Fox 2017 SignalR Session

This repository contains the source code for the SignalR session that demonstrates how to use real time messaging to create peer to peer applications and push server notifications into FoxPro applications.

This sample also includes Web Clients using VueJs and Angular Web clients accessing the SignalR hub server.

Online Hub Server

There's a sample hub server available online at:

http://signalrswf.west-wind.com/

which you can use if you don't want to run the SignalR server locally. For the Web samples, change the signalR URL as part of the setup to point the above Url to use the online SignalR hub.

No guarantees this will continue to run, but for a while this will be available.

Runnable FoxPro Sample

You can find more information on the FoxPro bits here:

You can download a fully self contained FoxPro sample of the Chat application from here:

You can download this sample and run it against our test Signal Chat service.

Security

In order to run this application you may have to Unblock the various DLL dependencies that ship with this example, as they are considered downloaded from the Internet. If you run the EXE and get a Cannot load CLR Instance error do the following:

  • Right click the each of .dll files individually
  • Open Properties
  • Check the [x] Unblock option (or button pre-Win10)

VueJs Sample

The VueJs sample is part of the SignalRHub Web project that also contains the SignalR hub server, and can be run by accessing the chatclient.html page:

Angular (5) Sample

The Angular sample is contained the SignalRAngular folder and is a self-contained Angular CLI sample application. To run this example:

To run locally:

  • cd ./SignalRAngular Folder
  • Make sure Angular CLI is installed (npm install @angular/cli -g)
  • Run npm install to restore package
  • Run ng serve
  • Navigate to http://localhost:4200

By default the online SignalR hub at http://signalrswf.west-wind.com is used. If you want to switch to the local hub, change:

  • Open ./SignalRAngular/src/app/chat-client.ts
  • Change signalrUrl = "http://localhost/signalrhub/signalr" or http://localhost:2662/signalr;
  • Start the SignalR hub Web application.

You can also run the sample online:

and you should be able to share connections with any others connected through the same hub.