ui · thing ·

yuiVirtualRange

A yui virtual range record carrying startIndex, endIndex, realizedCount, generation.

cpumethodsource-examplethinguiyeho

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

external thing yuiVirtualRange

Status: source-declared

Fields and methods (6)
int startIndex
Stores start index as int.
int endIndex
Stores end index as int.
int realizedCount
Stores realized count as int.
int generation
Stores generation as int.
yuiVirtualRange(int startIndex, int endIndex, int count, int generation)
Yui virtual range.
Describe() returns text
Describe. Complete example

Use yuiVirtualRange

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.
yuiVirtualRange sample = yuiVirtualRange(1, 1, 1, 1)
Console.Log(Text.From(sample.startIndex))
project.mech
manifestVersion = "2"
package = "api.example.ui__yuivirtualrange"
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"

yuiVirtualRange.Describe

A complete caller for this public method. Sample inputs are illustrative; native resources require their owning lifecycle.

cpu · method · source-example · type checked

using ui

// Describe.
yuiVirtualRange instance = yuiVirtualRange(1, 1, 1, 1)
text result = instance.Describe()
Console.Log(Text.From(result))
project.mech
manifestVersion = "2"
package = "api.example.ui__yuivirtualrange"
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/layout-virtual.yh:4