{"id":"window--WindowVisible","name":"WindowVisible","owner":"yeho","package":"window","kind":"function","signature":"external WindowVisible(windowHandle handle) returns bool","description":"Window visible.","context":"Open, select, inspect, and close native application windows.","parameters":[{"name":"handle","type":"windowHandle","description":"Supply handle as windowHandle."}],"returns":"bool","members":[],"tags":["cpu","function","source-example","window","yeho"],"updated":"2026-09-09","source":{"repository":"yeho","path":"packages/window/window.yh","line":128,"sha256":"33d5aaaa49321134dd3cf650fc9960ad6f42e001783530a2bfed1a6e52d776f3"},"status":"source-declared","notes":["Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup."],"examples":[{"id":"usage","title":"Use WindowVisible","description":"A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.","code":"using window\n\n// Open, select, inspect, and close native application windows.\nwindowHandle handle = windowHandle(1)\nbool result = WindowVisible(handle)\nConsole.Log(Text.From(result))\n","manifest":"manifestVersion = \"2\"\npackage = \"api.example.window__windowvisible\"\nversion = \"0.1.0\"\nlanguageEdition = \"yeho-core-2026.1\"\n\n[app]\nkind = \"headless\"\n\n[[dependencies]]\npackage = \"window\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/window\"\n","tags":["cpu","source-example"],"verification":"type checked","run":"cpu-oracle","sha256":"a67788ace480cf85fe333a33c09e640d0dafa46491433af9f066b12d80f858c4","checked":"2026-09-09","diagnostic":"","observedOutput":null,"checkedBackend":null}],"searchTerms":[],"url":"https://demonhunterlabs.com/academy/api?item=window--WindowVisible","json":"https://demonhunterlabs.com/reference/items/window--WindowVisible.json","markdown":"https://demonhunterlabs.com/reference/text/window--WindowVisible.md"}