Since I stumbled upon it in a current project, a follow-up to the recent blog article about image scaling in Store Apps: The above-mentioned blog post describes how to ensure that an image is scaled down if it does not…
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Nearly two years ago, I explained how to force WPF to cache images while loading, in order to not lock the underlying image file while being displayed. Now I’ve stumbled across a similar problem in Windows Store Apps: When populating…
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Images displayed within a Windows Store App are generally cached, in order to reduce data transfer (in case of online images) and rendering effort. This caching is done automatically by the framework, which is a good thing as developers need…
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Even after having been around for several years by now, the Windows Store Platform (and its WinRT and UWP programming frameworks) is still not as complete and comfortable to use as the WPF and Silverlight platforms. One of the numerous…
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Let’s enhance our Validation Behavior to make it ready for use in real-life applications! Styling: The first thing we should get rid of is the fixed color values defined within the behavior’s TextChanged event handler method. Instead, we can define…
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In this blog post, I’d like to propose a solution to the missing data format validation in Store Apps, as discussed in part #1. In order to build a reusable solution that can be referenced by any TextBox control, we’re…
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Input validation is an important aspect of form-driven applications, and certain MVVM mechanisms allow us to incorporate easy data validation into our apps – e.g., define a CanExecute condition on any ViewModel command to detect invalid data while being entered,…
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The problem: Similar to WPF Windows, for a Store app’s Page we can set Width, Height, MinWidth, and MinHeight attributes. However, in contrast to WPF, the Page.Width and Page.Height attributes only affect the size of the container that contains all…
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