Category: .NET

.NET on Mac – System.Drawing / GDI+ Issue

August 18, 2020 Geoff Hudik

Continuing in the theme of my last post, the next issue I had transitioning running a .NET Core app from Windows to Mac was in the area of Excel export. I’m not referring to CSV output here but fully formatted worksheets via ClosedXML. I won’t go into the Excel code itself but there’s some similar…

.NET on Mac – Issue Reading X.509 Certificate

August 18, 2020 Geoff Hudik

I’ve generally found .NET Core code I’ve worked on to behave the same across Windows, Mac, and Linux (when not explicitly using OS-specific features). Recently I ran into a couple platform-specific issues where a .NET Core app behaved differently on Mac than Windows. This post covers the first issue I came across, reading certificates. An…

Build Blues with .Net Standard 2.0

October 24, 2017October 24, 2017 Geoff Hudik

Recently I updated a UWP app to target Windows 10 Fall Creators Update and .NET Standard 2.0. That enabled updating of several NuGet packages with a NET Standard 2.0 dependency. While there were some breaking changes with those updates, everything compiled and ran in Visual Studio without too much effort. The Build Server Says Your…

The Curious Case of the Missing Console Window

July 26, 2017 Geoff Hudik

Recently I ran a .NET console app in Visual Studio 2017 and noticed the console window never appeared. I could set breakpoints and step through the code and everything executed fine, except for any console I/O since the window itself was missing or hidden. I checked underneath other windows, tried Alt+Tab, made sure it wasn’t…

Silverlight + WCF + IIS + Windows Auth + Oracle EF = PAIN

October 7, 2010June 19, 2017 Geoff Hudik

A couple days ago I started converting our Silverlight 4 app’s website and IIS-hosted WCF (v4) service to use Windows Authentication. The goal was to secure the service and data, get the user’s credentials down to the data tier and database, and provide some auditing and general security without asking for credentials already available for…