layout: true <div class="my-header"></div> <div class="my-footer">Andrei Ignat , http://msprogrammer.serviciipeweb.ro/</div> --- class: center, middle # Agenda 0. About me 1. Plugins - what + usage 2. Methods loading plugins ( direct references,reflection) 3. .NET Core 3 specific for plugins 4. My implementations 5. Questions ? Code at https://github.com/ignatandrei/Presentations/tree/master/2020/NETCore3Plugins --- class: center, top # About me  Andrei Ignat http://msprogrammer.serviciipeweb.ro/ www.ASP.NET forum moderator YouTube 5 minutes .NET and tools : http://bit.ly/5MinTools Book Making Open Source Component : http://bit.ly/NetOpenSourceComponent Book Copy Paste from StackOverflow : https://amzn.to/2PQ8EDc Monthly meetings: https://www.meetup.com/Bucharest-A-D-C-E-S-Meetup/ TD @ EA --- class: center, top # Plugins - what + usage Definition: https://en.wikipedia.org/wiki/Plug-in_(computing) <small> In computing, a plug-in (or plugin, add-in, addin, add-on, or addon) is a software component that adds a specific feature to an existing computer program. When a program supports plug-ins, it enables customization. </small> Examples 1. Office ( word, excel,outlook, ...): https://docs.microsoft.com/en-us/office/dev/add-ins/excel/excel-add-ins-overview 2. Chrome : https://chrome.google.com/webstore/category/extensions?hl=en 3. Visual Studio : https://marketplace.visualstudio.com/ : LiveShare 4. Wordpress, Photoshop , ... --- class: center, middle # Methods loading plugins 1. ## Direct References - example : Calculate Order of goods, 2For3, AmountReduction 2. ## Load At runtime with Reflection - example ### Ensure that in plugins you do have the 2 dll(MoreThan100.dll , ThreeForTwo.dll) --- class: center, middle # .NET Core specific for plugins 1. Loading- Unloading plugins - example https://docs.microsoft.com/en-us/dotnet/core/tutorials/creating-app-with-plugin-support 2. Diamond problem for plugins : https://en.wikipedia.org/wiki/Multiple_inheritance  example --- class: center, middle # My implementations Help from https://github.com/natemcmaster/DotNetCorePlugins 2. https://github.com/ignatandrei/InfoValutar 3. https://github.com/ignatandrei/FileExtension --- class: center, middle # Agenda 0. About me 1. Plugins - what + usage 2. Methods loading plugins ( direct references,reflection) 3. Diamond problem and .NET Core 3 plugins 4. My implementations 5. Questions ? Code at https://github.com/ignatandrei/Presentations/tree/master/2020/shorts/NetCore3.0WhatsNew --- class: center, top # Questions?  Andrei Ignat http://msprogrammer.serviciipeweb.ro/ www.ASP.NET forum moderator YouTube 5 minutes .NET and tools : http://bit.ly/5MinTools Book Making Open Source Component : http://bit.ly/NetOpenSourceComponent Book Copy Paste from StackOverflow : https://amzn.to/2PQ8EDc Monthly meetings: https://www.meetup.com/Bucharest-A-D-C-E-S-Meetup/ TD @ EA ---