![]() If you create multiple CoreWebView2Environment objects that are configured the same way (including sharing the same user data folder), they will represent the same user data folder and the same associated collection of processes. See Per-frame renderer processes - Site Isolation. A given renderer process is not associated with a single CoreWebView2 instance, because the renderer process can serve frames in multiple CoreWebView2 instances that use the same user data folder, depending on website isolation. The CoreWebView2Environment represents a user data folder and the collection of processes associated with it. All additional processes will be managed by the lifetime of that browser process. When the first WebView2 instance is created for a given user data folder, the browser process for the WebView2 Runtime processes collection that is associated with that user data folder will be started. Each CoreWebView2Environment object needs to be configured with a different user data folder value. A WebView2 instance is created for a given user data folder through the configured CoreWebView2Environment object. To make use of multiple user data folders, a WebView2 application needs to create different CoreWebView2Environment objects. If an application makes use of multiple user data folders, a collection of WebView2 Runtime processes will be created for each of these user data folders.Ī user data folder can be shared by multiple applications, but be sure to consider the implications on performance and management, as described in Manage user data folders. WebView2 Runtime processes and the user data folderĪll processes in a WebView2 Runtime processes collection are tied to the browser process, which in turn is associated with a single user data folder. The logic that controls when these extra processes are created depends on the Chromium architecture, and is beyond the scope of the WebView2 Runtime. The number of distinct disconnected origins that are rendered in instances of WebView2 that use the same user data folder. Use of the Site Isolation feature in the WebView2 Runtime. The number of renderer processes can vary based on the following conditions: (However, there's only a single, specific browser process in a WebView2 process group.) For example, creating a new WebView2 instance from the same CoreWebView2Environment, but with a different domain in the Source property, will usually start a new renderer process. The number and presence of processes in a WebView2 process group can change as a WebView2 application makes use of WebView2 features. ![]() Other helper processes, such as the GPU process and the Audio service process.A WebView2 process group includes the following: Processes in the WebView2 RuntimeĪ WebView2 process group is a collection of WebView2 Runtime processes. This browser process model is described at Browser Architecture in Inside look at modern web browser (part 1). The WebView2 Runtime uses the same process model as the Microsoft Edge browser. Supported platforms: Win32, Windows Forms, WinUI, WPF.
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