WordPress database error: [Table 'db12780634-wpressdb.wp_categorymeta' doesn't exist]
SELECT category_id, meta_key, meta_value FROM wp_categorymeta WHERE category_id IN (5) ORDER BY meta_id ASC

Extensible Application Markup Language

.NET Core 3: Use UWP Controls in WPF with XAML Islands

In this blog post, you will learn how to use XAML Islands to host the UWP MapControl in a .NET Core 3 Preview 4 WPF application.

XAML Islands is a technology that allows you to host modern UWP controls in your WPF, Windows Forms, and Win32 applications. You can use for example UWP’s InkCanvas or the MapControl, or you can use your custom UWP Controls. This allows you to modernize your apps with Windows 10 features.

(more…)
Read more...

Playground: UWP’s new TreeView, Data Binding and HierarchicalDataTemplates

In the latest Windows 10 SDK preview build (17110, get it here) there’s a TreeView control available. You can read how to use it in the really great docs : https://docs.microsoft.com/en-us/windows/uwp/design/controls-and-patterns/tree-view

Unfortunately the TreeView does not support Data Binding yet. And as you might know, UWP has also (more…)

Read more...

BASTA! Sessions about LoB with UWP and Source Control with Git!

Hi developer,

this week I had two sessions at the leading independent conference in the German-speaking area for Microsoft technologies, the BASTA! conference. Thanks a lot for joining and making my sessions a wonderful experience for me, and hopefully for you too!
(more…)

Read more...

Building a Classic Tabbed and Databound Desktop Application with UWP and MVVM

What kind of business applications do you build? Do they have a tabbed user interface? Most of mine do so.

After spiking (=prototyping) the Visual Studio Shell I wanted to go deeper into building a tabbed user interface with UWP, of course databound with MVVM.

As you might know, UWP does not contain a TabControl. But it contains a Pivot-Control that has pretty much of the functionality needed for a classic tabbed UI. So, let’s go with the Pivot and let’s see how far we can get. (more…)

Read more...

UWP: The Master-Detail-Problem with the events SelectionChanged & LostFocus and How to Fix it

While creating apps with the Universal Windows Platform (UWP) I noticed a weird behavior, but I’m not sure if it’s a bug. Let’s just call it the “Master-Detail-Problem”.

To explain it, I stripped  down my code to the XAML-snippet below. No code-behind needed. (more…)

Read more...