Expander¶

Collapsible header with expandable content.

import QWinUI3.Extras · src/extras/QWinUI3/Extras/Expander.qml

Category: Other · Library: v2.80

Gallery: Expander — src/gallery/pages/ExpanderPage.qml

Extends Control.

Example¶

Expander {
    title: qsTr("Details")
    Label { text: qsTr("Body") }
}

// --- API ---
// signals: onExpanding, onCollapsing
// header: string title/subtitle OR custom headerContent slot (WinUI Header)

Notes¶

Header + expandable content; expanded / expand/collapse. headerContent replaces the default title column when it has children.

API¶

Properties¶

Name	Type	Description
`title`	`string`	Primary title text
`subtitle`	`string`	Secondary subtitle text
`expanded`	`bool`	Expanded state
`isExpanded`	`alias`	Alias of expanded
`symbol`	`var`	FluentIcons symbol (preferred over iconGlyph)
`iconGlyph`	`string`	Raw Fluent glyph string fallback
`headerIcon`	`var`	Header icon glyph
`expandDirection`	`string`	WinUI ExpandDirection: down \| up
`headerContent`	`alias`	WinUI Header — custom header content (replaces title/subtitle when set)
`contentData`	`alias`	Default children / content slot
`effectiveHeaderIcon`	`string`	Resolved header icon

Signals¶

Signature	Description
`expanding()`	True while expanding
`collapsing()`	True while collapsing

Methods¶

No custom methods (use inherited methods from the base type).

Inherited from `Control`¶

Also available (base type / Qt Quick Controls):

padding
font
background / contentItem

Generated from module sources by scripts/generate_component_docs.py — do not edit by hand.