# IQixClassBase Interface

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

## Syntax

```
public interface IQixClassBase : IDisposable, IChangeNotifier
```

## Properties

| Name | Description |
| --- | --- |
| [ConsiderDirty](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IQixClassBase.ConsiderDirty.htm#Qlik_Engine_IQixClassBase_ConsiderDirty) | Forces send of GetProperties and GetLayout calls to engine for this object even when the layout and properties are up to date. |
| [ConsideredDirty](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IQixClassBase.ConsideredDirty.htm#Qlik_Engine_IQixClassBase_ConsideredDirty) | Forces send of GetProperties and GetLayout calls to engine for this object even when the layout and properties are up to date.<br>Resume normal behavior when disposed. |
| [Handle](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IQixClassBase.Handle.htm#Qlik_Engine_IQixClassBase_Handle) | The handle of the Qlik Sense entity. |
| [Id](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IQixClassBase.Id.htm#Qlik_Engine_IQixClassBase_Id) | The request id of the Qlik Sense entity. |
| [Type](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IQixClassBase.Type.htm#Qlik_Engine_IQixClassBase_Type) | The type of the Qlik Sense entity. |

## Events

| Name | Description |
| --- | --- |
| [Closed](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IQixClassBase.Closed.htm) | This event fires when the Qlik Sense entity has been removed or deleted. |