ui · function ·

PrimeYuiThemeValidation

A theme is validated once, at construction, so every copy handed to a control lowering inherits the answer instead of recomputing it. Without this the cache would only ever be warm on the copy that happened to ask first, which is not the one the next control receives.

cpufunctionsource-exampleuiyeho

Build YUI's reusable control, layout, interaction, text, accessibility, and retained-rendering models.

external PrimeYuiThemeValidation(yuiThemeDefinition theme) returns yuiThemeDefinition

Status: source-declared

Parameters

yuiThemeDefinition theme
Supply theme as yuiThemeDefinition.

Use PrimeYuiThemeValidation

A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.

cpu · source-example · type checked

using ui

// Build YUI's reusable control, layout, interaction, text, accessibility, and retained-rendering models.
yuiThemeDefinition theme = yuiThemeDefinition("id", "display Name", "mode", "example")
yuiThemeDefinition result = PrimeYuiThemeValidation(theme)
Console.Log("Inspect result in your debugger")
project.mech
manifestVersion = "2"
package = "api.example.ui__primeyuithemevalidation"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"

[app]
kind = "headless"

[[dependencies]]
package = "graphics.image"
version = "0.1.0"
path = "../../../yeho/packages/graphics/image"

[[dependencies]]
package = "graphics.text"
version = "0.1.0"
path = "../../../yeho/packages/graphics/text"

[[dependencies]]
package = "host.ui_services"
version = "0.1.0"
path = "../../../yeho/packages/host/ui_services"

[[dependencies]]
package = "ui"
version = "0.2.0"
path = "../../../yeho/packages/ui"
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/ui/visual-10-theme.yh:154