runtime.Window · builtin · Updated 2026-09-09

Window.Open

Open through the Window runtime.

builtincpuwindowyeho

Built into Yeho; no package import is needed. Native services require an admitted host and the correct resource lifecycle.

Window.Open(text title, int width, int height) -> void

Status: registered-intrinsic

Parameters

text title: Supply title as text.
int width: Supply width as int.
int height: Supply height as int.

Call Window.Open

A complete typed caller with illustrative arguments. Native operations need the corresponding host and resources.

cpu · builtin · type checked

text title = "Inventory"
int width = 1
int height = 1
Window.Open(title, width, height)

project.mech

manifestVersion = "2"
package = "api.example.runtime__window_open"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"

[app]
kind = "headless"

Notes and source

The example checks the call shape. Opening windows, recording audio, changing files, network operations, and process operations have real effects when run. Follow the corresponding package lifecycle before using live resources.

yeho/src/compiler/common/intrinsic_registry.cpp:971