Using Dispatcher to update values in GUI elements from a background thread

System.InvalidOperationException'

Quick tip:
If you’re developing something like a WPF app and you’ll need to update values on the User Interface based on a long-running operation that runs in a background thread (like depicted here), you’ll probably need to use Dispatcher, or otherwise you’ll run into issues with the GUI elements being owned by another thread, and therefore forbidding access to them. This can result in an error like this:

Luckily, there’s a quick workaround available. Read on!

Cue the Dispatcher

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Simplest way to create a thread on SharePoint

Stock photo from pixabay.com

This post describes the (probably) easiest and most straightforward way of creating a new Thread in your SharePoint (or any other .NET) server-side / desktop code.

Solution: how to create a new Thread

Let’s face it – one should not create new Threads lightly when developing SharePoint solutions, but sometimes it’s difficult to avoid. Or sometimes it’s just the simplest way to get around weird framework limitations. Continue reading