Run Windows 10 Universal Apps on Windows 8.1

The answer would be no. For further clarifications, best to post on the forum: https://social.msdn.microsoft.com/Forums/windowsapps/en-US/home?forum=wpdevelop Windows 10 introduces several new APIs and concepts (such as API contracts) that are not available on Windows 8.1. An app that relies on such new APIs and concepts cannot run on Windows 8.1. Additionally the app-model and a lot … Read more

Activate Stacks only for some specific ETW Tasks in a provider?

Yes, this is possible since Windows 8.1 with the type entry in _EVENT_FILTER_DESCRIPTOR when it is set to EVENT_FILTER_TYPE_STACKWALK when you call EnableTraceEx2. On Windows 8.1,Windows Server 2012 R2, and later, event payload, scope, and stack walk filters can be used by the EnableTraceEx2 function and the ENABLE_TRACE_PARAMETERS and EVENT_FILTER_DESCRIPTOR structures to filter on specific … Read more

Progress bar with HttpClient

From .Net 4.5 onwards: Use IProgress<T> Since .Net 4.5 you can handle asynchronous progress reporting with the IProgress<T> interface. You can write an extension method for downloading files using the HttpClient that can be called like this where progress is the implementation of IProgress<float> for your progress bar or other UI stuff: // Seting up … Read more