{"id":"frontend.yui.host.windows--YuiCanvasWindowSurfaceContract","name":"YuiCanvasWindowSurfaceContract","owner":"yeho","package":"frontend.yui.host.windows","kind":"function","signature":"external YuiCanvasWindowSurfaceContract() returns text","description":"Yui canvas window surface contract.","context":"Connect YUI to Windows host input, accessibility, and editing services.","parameters":[],"returns":"text","members":[],"tags":["cpu","frontend","frontend.yui.host.windows","function","host","source-example","windows","yeho","yui"],"updated":"2026-09-09","source":{"repository":"yeho","path":"packages/frontend/yui/host/windows/surface.yh","line":356,"sha256":"567ab96c7726fa150c39380f371fc8522fdb6c3b38f37550e2f9862113c5fa8f"},"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 YuiCanvasWindowSurfaceContract","description":"A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.","code":"using frontend.yui.host.windows\n\n// Connect YUI to Windows host input, accessibility, and editing services.\ntext result = YuiCanvasWindowSurfaceContract()\nConsole.Log(Text.From(result))\n","manifest":"manifestVersion = \"2\"\npackage = \"api.example.frontend_yui_host_windows__yuicanvaswindowsurfacecontract\"\nversion = \"0.1.0\"\nlanguageEdition = \"yeho-core-2026.1\"\n\n[app]\nkind = \"headless\"\n\n[[dependencies]]\npackage = \"frontend.yui\"\nversion = \"0.2.0\"\npath = \"../../../yeho/packages/frontend/yui\"\n\n[[dependencies]]\npackage = \"frontend.yui.host.windows\"\nversion = \"0.2.0\"\npath = \"../../../yeho/packages/frontend/yui/host/windows\"\n\n[[dependencies]]\npackage = \"graphics.canvas\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/canvas\"\n\n[[dependencies]]\npackage = \"graphics.image\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/image\"\n\n[[dependencies]]\npackage = \"graphics.image.processing\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/image/processing\"\n\n[[dependencies]]\npackage = \"graphics.text\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/text\"\n\n[[dependencies]]\npackage = \"graphics.text.windows\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/graphics/text/windows\"\n\n[[dependencies]]\npackage = \"host.ui_services\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/host/ui_services\"\n\n[[dependencies]]\npackage = \"host.windows\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/host/windows\"\n\n[[dependencies]]\npackage = \"input.text\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/input/text\"\n\n[[dependencies]]\npackage = \"time\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/time\"\n\n[[dependencies]]\npackage = \"ui\"\nversion = \"0.2.0\"\npath = \"../../../yeho/packages/ui\"\n\n[[dependencies]]\npackage = \"window\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/window\"\n\n[[dependencies]]\npackage = \"window.multi\"\nversion = \"0.1.0\"\npath = \"../../../yeho/packages/window/multi\"\n","tags":["cpu","source-example"],"verification":"type checked","run":"cpu-oracle","sha256":"34e85982cb75a24e8da9b37a18cc53bbb83d061b95400c0d7e3d257d2fff1060","checked":"2026-09-09","diagnostic":"","observedOutput":null,"checkedBackend":null}],"searchTerms":[],"url":"https://demonhunterlabs.com/academy/api?item=frontend.yui.host.windows--YuiCanvasWindowSurfaceContract","json":"https://demonhunterlabs.com/reference/items/frontend.yui.host.windows--YuiCanvasWindowSurfaceContract.json","markdown":"https://demonhunterlabs.com/reference/text/frontend.yui.host.windows--YuiCanvasWindowSurfaceContract.md"}