Unverified50% confidenceFactExact time
On macOS, an app can call the excluded-window API provided by ScreenCaptureKit so that its own window is not captured by screen recording or sharing tools; on Windows, SetWindowDisplayAffinity can mark a window as prohibited from capture.
1
Sources
50%
Confidence
Long-term
Relevance
10/31/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedIf a casting tool wants to capture only a single macOS window, it usually needs to use screen recording permission to obtain the framebuffer and then locate the crop region via the window ID; or use the Accessibility API to read window geometry information.77% similarUnverifiedmacOS allows developers to set a window as a screen-sharing exclusion layer by setting the sharingType property of NSWindow to .none, causing the window content to appear locally but be filtered out by the screen recording/sharing pipeline.74% similarUnverifiedmacOS的Cmd-Tab、Cmd-Space等快捷键由WindowServer进程在应用层之前捕获处理，普通应用无法通过常规API拦截74% similarUnverifiedWhen mainstream video conferencing software such as Zoom and Teams captures the screen, it is subject to macOS system-level API constraints and cannot capture excluded windows.71% similar
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