window · function ·
CancelWindowClose
Cancel window close.
Open, select, inspect, and close native application windows.
external CancelWindowClose(windowHandle handle) returns boolStatus: source-declared
Parameters
windowHandle handle- Supply handle as windowHandle.
Use CancelWindowClose
A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.
cpu · source-example · type checked
using window
// Open, select, inspect, and close native application windows.
windowHandle handle = windowHandle(1)
bool result = CancelWindowClose(handle)
Console.Log(Text.From(result))
project.mech
manifestVersion = "2"
package = "api.example.window__cancelwindowclose"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"
[app]
kind = "headless"
[[dependencies]]
package = "window"
version = "0.1.0"
path = "../../../yeho/packages/window"
Notes and source
Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup.
yeho/packages/window/window.yh:153