--- id: "qtreewidgetitem" title: "QTreeWidgetItem" sidebar_label: "QTreeWidgetItem" --- > Creates an item for QTreeWidget. **This class is a JS wrapper around Qt's [QTreeWidgetItem class](https://doc.qt.io/qt-5/qtreewidgetitem.html)** ### Example ```javascript const { QMainWindow, QTreeWidgetItem, QTreeWidget } = require("@nodegui/nodegui"); const win = new QMainWindow(); const tree = new QTreeWidget(); const item1 = new QTreeWidgetItem(); item1.setText(0, `item-1`); const item2 = new QTreeWidgetItem(); item2.setText(0, `item-2`); const item3 = new QTreeWidgetItem(); item3.setText(0, `item-3`); tree.addTopLevelItem(item1); tree.addTopLevelItem(item2); tree.addTopLevelItem(item3); // Add children to item1 const c1item1 = new QTreeWidgetItem(item1); c1item1.setText(0, `c1item1`); const c1item2 = new QTreeWidgetItem(item1); c1item2.setText(0, `c1item1`); win.setCentralWidget(tree); win.show(); (global as any).win = win; ``` ## Hierarchy * [Component](component.md) ↳ **QTreeWidgetItem** ## Index ### Constructors * [constructor](qtreewidgetitem.md#constructor) ### Properties * [items](qtreewidgetitem.md#items) * [native](qtreewidgetitem.md#native) * [nodeChildren](qtreewidgetitem.md#nodechildren) * [nodeParent](qtreewidgetitem.md#optional-nodeparent) ### Methods * [addChild](qtreewidgetitem.md#addchild) * [child](qtreewidgetitem.md#child) * [childCount](qtreewidgetitem.md#childcount) * [data](qtreewidgetitem.md#data) * [flags](qtreewidgetitem.md#flags) * [icon](qtreewidgetitem.md#icon) * [isHidden](qtreewidgetitem.md#ishidden) * [parent](qtreewidgetitem.md#parent) * [setCheckState](qtreewidgetitem.md#setcheckstate) * [setData](qtreewidgetitem.md#setdata) * [setExpanded](qtreewidgetitem.md#setexpanded) * [setFlags](qtreewidgetitem.md#setflags) * [setHidden](qtreewidgetitem.md#sethidden) * [setIcon](qtreewidgetitem.md#seticon) * [setNodeParent](qtreewidgetitem.md#setnodeparent) * [setSelected](qtreewidgetitem.md#setselected) * [setText](qtreewidgetitem.md#settext) * [text](qtreewidgetitem.md#text) ## Constructors ### constructor \+ **new QTreeWidgetItem**(): *[QTreeWidgetItem](qtreewidgetitem.md)* *Overrides [Component](component.md).[constructor](component.md#constructor)* **Returns:** *[QTreeWidgetItem](qtreewidgetitem.md)* \+ **new QTreeWidgetItem**(`parent`: [QTreeWidgetItem](qtreewidgetitem.md), `strings?`: string[]): *[QTreeWidgetItem](qtreewidgetitem.md)* *Overrides [Component](component.md).[constructor](component.md#constructor)* **Parameters:** Name | Type | ------ | ------ | `parent` | [QTreeWidgetItem](qtreewidgetitem.md) | `strings?` | string[] | **Returns:** *[QTreeWidgetItem](qtreewidgetitem.md)* \+ **new QTreeWidgetItem**(`parent`: [QTreeWidget](qtreewidget.md), `strings?`: string[]): *[QTreeWidgetItem](qtreewidgetitem.md)* *Overrides [Component](component.md).[constructor](component.md#constructor)* **Parameters:** Name | Type | ------ | ------ | `parent` | [QTreeWidget](qtreewidget.md) | `strings?` | string[] | **Returns:** *[QTreeWidgetItem](qtreewidgetitem.md)* \+ **new QTreeWidgetItem**(`native`: [NativeElement](../globals.md#nativeelement)): *[QTreeWidgetItem](qtreewidgetitem.md)* *Overrides [Component](component.md).[constructor](component.md#constructor)* **Parameters:** Name | Type | ------ | ------ | `native` | [NativeElement](../globals.md#nativeelement) | **Returns:** *[QTreeWidgetItem](qtreewidgetitem.md)* \+ **new QTreeWidgetItem**(`strings`: string[]): *[QTreeWidgetItem](qtreewidgetitem.md)* *Overrides [Component](component.md).[constructor](component.md#constructor)* **Parameters:** Name | Type | ------ | ------ | `strings` | string[] | **Returns:** *[QTreeWidgetItem](qtreewidgetitem.md)* ## Properties ### items • **items**: *Set‹[NativeElement](../globals.md#nativeelement) | [Component](component.md)›* ___ ### native • **native**: *[NativeElement](../globals.md#nativeelement)* *Overrides [Component](component.md).[native](component.md#abstract-native)* ___ ### nodeChildren • **nodeChildren**: *Set‹[Component](component.md)›* *Inherited from [Component](component.md).[nodeChildren](component.md#nodechildren)* ___ ### `Optional` nodeParent • **nodeParent**? : *[Component](component.md)* *Inherited from [Component](component.md).[nodeParent](component.md#optional-nodeparent)* ## Methods ### addChild ▸ **addChild**(`childItem`: [QTreeWidgetItem](qtreewidgetitem.md)): *void* Adds the specified child to this QTreeWidgetItem. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `childItem` | [QTreeWidgetItem](qtreewidgetitem.md) | The child to add. | **Returns:** *void* ___ ### child ▸ **child**(`index`: number): *[QTreeWidgetItem](qtreewidgetitem.md) | undefined* **Parameters:** Name | Type | ------ | ------ | `index` | number | **Returns:** *[QTreeWidgetItem](qtreewidgetitem.md) | undefined* ___ ### childCount ▸ **childCount**(): *number* **Returns:** *number* ___ ### data ▸ **data**(`column`: number, `role`: [ItemDataRole](../enums/itemdatarole.md)): *[QVariant](qvariant.md)* Returns the value for the item's column and role. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `column` | number | The column. | `role` | [ItemDataRole](../enums/itemdatarole.md) | The role. | **Returns:** *[QVariant](qvariant.md)* ___ ### flags ▸ **flags**(): *[ItemFlag](../enums/itemflag.md)* Returns the flags used to describe the item. These determine whether the item can be checked, edited, and selected. **Returns:** *[ItemFlag](../enums/itemflag.md)* ___ ### icon ▸ **icon**(`column`: number): *[QIcon](qicon.md)* Returns the icon object for the item. **Parameters:** Name | Type | ------ | ------ | `column` | number | **Returns:** *[QIcon](qicon.md)* ___ ### isHidden ▸ **isHidden**(): *boolean* **Returns:** *boolean* ___ ### parent ▸ **parent**(): *[QTreeWidgetItem](qtreewidgetitem.md) | undefined* **Returns:** *[QTreeWidgetItem](qtreewidgetitem.md) | undefined* ___ ### setCheckState ▸ **setCheckState**(`column`: number, `state`: [CheckState](../enums/checkstate.md)): *void* Sets the item in the given column check state to be state. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `column` | number | The column. | `state` | [CheckState](../enums/checkstate.md) | The check state. | **Returns:** *void* ___ ### setData ▸ **setData**(`column`: number, `role`: [ItemDataRole](../enums/itemdatarole.md), `value`: [QVariantType](../globals.md#qvarianttype)): *void* Sets the value for the item's column and role to the given value. The role describes the type of data specified by value, and is defined by the ItemDataRole enum. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `column` | number | The column. | `role` | [ItemDataRole](../enums/itemdatarole.md) | The role. | `value` | [QVariantType](../globals.md#qvarianttype) | The value. | **Returns:** *void* ___ ### setExpanded ▸ **setExpanded**(`expanded`: boolean): *void* **Parameters:** Name | Type | ------ | ------ | `expanded` | boolean | **Returns:** *void* ___ ### setFlags ▸ **setFlags**(`flags`: [ItemFlag](../enums/itemflag.md)): *void* Sets the flags for the item to the given flags. These determine whether the item can be selected or modified. This is often used to disable an item. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `flags` | [ItemFlag](../enums/itemflag.md) | The flags. | **Returns:** *void* ___ ### setHidden ▸ **setHidden**(`hide`: boolean): *void* **Parameters:** Name | Type | ------ | ------ | `hide` | boolean | **Returns:** *void* ___ ### setIcon ▸ **setIcon**(`column`: number, `icon`: [QIcon](qicon.md)): *void* Sets the icon for the item. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `column` | number | - | `icon` | [QIcon](qicon.md) | The icon object | **Returns:** *void* ___ ### setNodeParent ▸ **setNodeParent**(`parent?`: [Component](component.md)): *void* *Inherited from [Component](component.md).[setNodeParent](component.md#setnodeparent)* **Parameters:** Name | Type | ------ | ------ | `parent?` | [Component](component.md) | **Returns:** *void* ___ ### setSelected ▸ **setSelected**(`selected`: boolean): *void* **Parameters:** Name | Type | ------ | ------ | `selected` | boolean | **Returns:** *void* ___ ### setText ▸ **setText**(`column`: number, `text`: string): *void* **Parameters:** Name | Type | ------ | ------ | `column` | number | `text` | string | **Returns:** *void* ___ ### text ▸ **text**(`column`: number): *string* **Parameters:** Name | Type | ------ | ------ | `column` | number | **Returns:** *string*