Angelo (Haibo) Wang

Avoid unnecessary location argument for VB compiling

3

For `CompiledExpressionInvoker.ProcessLocationReferences()`, the microsoft reference source is not always creating location argument, but only when `RequiresCompilation` is true, which is for C#. https://github.com/microsoft/referencesource/blob/master/System.Activities/System/Activities/Expressions/CompiledExpressionInvoker.cs#L245 This helps for performance a lot when...

The first `Invoke()` call is slow. When the xaml file contains a lot of VB scripts, JIT compiler will be used, but for **every** compilation, the compiler starts from the...

My findings about performance degradation

2

Hi, we are working hard to port our existing WF application to .NET 6. And we found some performance degradation and I have some local changes to fix, but of...