Invoking state changes from anywhere

In this recipe, we’re exploring injecting state service globally in your Blazor application. State service can cover anything from a user’s app personalization to user session details or processing indicators. In our example, we’re implementing an overlay covering our interface during a long-running task. Overlay serves as a visual cue to users, signaling that their request is being executed and preventing any user interactions that could disrupt the ongoing process.

Getting ready

Before we explore the strategy to globally inject state service and trigger an overlay, do the following:

• Create a Chapter05/Recipe04 directory – this will be your working directory
• Copy Api and Event files from the Chapter05/Data directory in the GitHub repository
• Copy the Overlay.css file from the Chapter05/Data directory in the GitHub repository and rename it Overlay.razor.css; after renaming, your IDE might display...