The reason for that is uncertain – it is definitely not supposed to be that way. folder transparency, smoother animation, live taskbar thumbnails, etc.), its operation sometimes leads to an overwhelmingly high amount of GPU and Memory usage. While the process itself is designed for maintaining proper display of visual effects (e.g. It is not new and has been a subject of talking in previous Windows versions as well. In particular, complaints have been related to Desktop Window Manager ( dwm.exe) – a process working in the background by default. People using Windows 11 started reporting problems with High GPU and Memory Usage. This topic demonstrates how to use the DWM APIs to create custom window frames for your application.What is Desktop Window Manager High GPU and Memory Usage This topic presents a set of best practices for using the DWM APIs. Performance Considerations and Best Practices This topic discusses the DWM APIs that are used for scheduling and media presentation. This allows a quick view of running applications by hovering over the application on the taskbar or using the ALT-TAB key gesture to see and quickly switch to an application. These are not static snapshots of a window, but are instead dynamic, constant connections between a thumbnail source window and a location on a destination window that receives the live thumbnail rendering. The DWM APIs enable applications to apply these effects to the client area of their top-level windows.ĭWM enables the display of thumbnail representations of application windows. One of the signature DWM effects is a translucent and blurred non-client area. Additionally, you can set and query the rendering policy for different DWM window attributes. These APIs enable you to query and change the composition state. The Desktop Window Manager (DWM) composition APIs provides several functions for setting and querying for basic information that is used by the DWM.
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