---
title: "Class GroupItemHandler | Customer's Canvas On-Premises"
canonical: "https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/GroupItemHandler/"
---

# Class GroupItemHandler

> **Inheritance:** `System.Object` -> [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md) -> [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md) -> GroupItemHandler

###### **Namespace**: [Aurigma.DesignAtoms.Canvas.ItemHandlers](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers.md)

###### **Assembly**: Aurigma.DesignAtoms.dll

```csharp title="Syntax"
public class GroupItemHandler : BaseRectangleItemHandler, ICloneable, IDisposable, IContainerItemHandler
```

## Implements

* `System.ICloneable`
* `System.IDisposable`
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.IContainerItemHandler](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/IContainerItemHandler.md)

## Inherited Members

* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.MinDimension](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#mindimension)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.GetTransform(System.Drawing.RectangleF, Aurigma.DesignAtoms.Model.Math.RotatedRectangleF)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#gettransform)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.DrawClippingPath(Aurigma.GraphicsMill.AdvancedDrawing.Graphics, System.Action)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#drawclippingpath)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.GetClippingPath(System.Single, System.Boolean)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#getclippingpath)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.GetTransformedVectorMask(Aurigma.DesignAtoms.Model.Math.Transform, Aurigma.DesignAtoms.Model.Math.PointF, System.Boolean)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#gettransformedvectormask)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.GetPath()](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#getpath)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.GetDrawingPath(System.Single)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#getdrawingpath)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.GetActualDash(System.Single[], System.Boolean, System.Single)](../Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#getactualdash)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.Angle](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#angle)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.Height](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#height)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.Width](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#width)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.Location](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#location)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.Opacity](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#opacity)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.BaseRectangleItemHandler.TextWrappingMode](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/BaseRectangleItemHandler.md#textwrappingmode)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler._stateResourcesRepository](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#_stateresourcesrepository)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler._configuration](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#_configuration)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler._logger](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#_logger)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler._colorManagement](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#_colormanagement)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler._gmColorConverter](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#_gmcolorconverter)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Draw(Aurigma.DesignAtoms.Canvas.RenderingContext, Aurigma.GraphicsMill.Bitmap, Aurigma.DesignAtoms.ColorManagement.IRenderingColorSettings, Aurigma.DesignAtoms.ColorManagement.IColorProfilesProvider, System.Boolean, System.Boolean, System.Boolean)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#draw)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Draw(Aurigma.DesignAtoms.Canvas.RenderingContext, Aurigma.GraphicsMill.Bitmap, Aurigma.DesignAtoms.Canvas.ItemHandlers.DrawItemParams, Aurigma.DesignAtoms.ColorManagement.IRenderingColorSettings, Aurigma.DesignAtoms.ColorManagement.IColorProfilesProvider, System.Boolean, System.Boolean, System.Boolean)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#draw)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.ItemOnPropertyChanged(System.Object, System.ComponentModel.PropertyChangedEventArgs)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#itemonpropertychanged)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.ItemOnPermissionsChanged(System.Object, System.EventArgs)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#itemonpermissionschanged)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Clone()](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#clone)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.BeginUpdate()](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#beginupdate)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.EndUpdate()](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#endupdate)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Dispose()](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#dispose)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.OnTransformChanged(System.Object, System.EventArgs)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#ontransformchanged)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.OnChanged()](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#onchanged)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.GetDestinationColor(Aurigma.GraphicsMill.Color, Aurigma.DesignAtoms.ColorManagement.IColorProfilesProvider, Aurigma.DesignAtoms.ColorManagement.IRenderingColorSettings, System.Nullable<Aurigma.DesignAtoms.Model.Color.PixelFormat>, System.Single, System.Boolean, System.Boolean)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#getdestinationcolor)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.IsEmpty](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#isempty)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.ControlPoints](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#controlpoints)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.UniqueId](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#uniqueid)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Transform](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#transform)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Tag](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#tag)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Layer](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#layer)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.IsUpdating](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#isupdating)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Index](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#index)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Canvas](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#canvas)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Name](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#name)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.BlendMode](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#blendmode)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Permissions](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#permissions)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Data](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#data)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Visible](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#visible)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Locked](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#locked)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.SourceColorProfilesOrDefault](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#sourcecolorprofilesordefault)
* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Changed](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#changed)
* `System.Object.ToString`
* `System.Object.Equals(System.Object)`
* `System.Object.Equals(System.Object,System.Object)`
* `System.Object.ReferenceEquals(System.Object,System.Object)`
* `System.Object.GetHashCode`
* `System.Object.GetType`
* `System.Object.MemberwiseClone`

## Constructors

### GroupItemHandler

```csharp
public GroupItemHandler(IConfiguration configuration, IStateResourcesRepository stateResourcesRepository, IColorManagement colorManagement, IGmColorConverter gmColorConverter, GroupItem item)
```

## Properties

### IsNestedContainerItemsAlreadyUpdated

```csharp
public bool IsNestedContainerItemsAlreadyUpdated { get; set; }
```

### Item

```csharp
public GroupItem Item { get; }
```

### Bounds

```csharp
public override RectangleF Bounds { get; }
```

### Rectangle

```csharp
public override RotatedRectangleF Rectangle { get; set; }
```

## Methods

### GetItemHandlerData

```csharp
public override ItemHandlerData GetItemHandlerData()
```

##### Returns

[Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandlerData](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandlerData.md)

##### Overrides

* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.GetItemHandlerData()](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#getitemhandlerdata)

### GetItemHandlerDataType

```csharp
public override string GetItemHandlerDataType()
```

##### Returns

`System.String`

##### Overrides

* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.GetItemHandlerDataType()](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#getitemhandlerdatatype)

### GetNestedItemHandlers

```csharp
public virtual List<ItemHandler> GetNestedItemHandlers(bool excludeGroupItems = false, bool reversedZOrder = false, bool onlyVisible = false)
```

##### Parameters

| Type | Name | Description |
|:---|:---|:---|
| `System.Boolean` | *excludeGroupItems* |  |
| `System.Boolean` | *reversedZOrder* |  |
| `System.Boolean` | *onlyVisible* |  |

##### Returns

`System.Collections.Generic.List<Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler>`

### UpdateNestedItemHandlerLayouts

```csharp
public bool UpdateNestedItemHandlerLayouts(Func<ItemHandler, bool> updateFunc)
```

##### Parameters

| Type | Name | Description |
|:---|:---|:---|
| `System.Func<Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler,System.Boolean>` | *updateFunc* |  |

##### Returns

`System.Boolean`

### Dispose

```csharp
protected override void Dispose(bool disposing)
```

##### Parameters

| Type | Name | Description |
|:---|:---|:---|
| `System.Boolean` | *disposing* |  |

##### Overrides

* [Aurigma.DesignAtoms.Canvas.ItemHandlers.ItemHandler.Dispose(System.Boolean)](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.Canvas.ItemHandlers/ItemHandler.md#dispose)

## Fields

### ItemHandlers

```csharp
public List<ItemHandler> ItemHandlers
```