# OpcExclusiveRateOfChangeAlarm Members

> Reference: Represents a snapshot of a 'Opc.UaFx.OpcExclusiveRateOfChangeAlarmNode'.

<dl class="api-definition">
<dt>Type</dt>
<dd><a href="./">OpcExclusiveRateOfChangeAlarm</a></dd>
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx">Opc.UaFx</a></dd>
<dt>Assembly</dt>
<dd>Opc.UaFx.Advanced.dll</dd>
<dt>Package</dt>
<dd>Opc.UaFx.Advanced v2.59.0</dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Inherits members from [OpcLimitAlarm](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opclimitalarm/members), [OpcAlarmCondition](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcalarmcondition/members), [OpcAcknowledgeableCondition](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeablecondition/members), [OpcCondition](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccondition/members), [OpcEvent](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcevent/members).

## Constructors

### OpcExclusiveRateOfChangeAlarm

<span class="api-meta">since v2.8</span>

Initializes a new instance of the [OpcExclusiveRateOfChangeAlarm](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcexclusiverateofchangealarm/) class using the `dataStore` specified.

<div class="api-signature" data-lang="csharp">

```csharp
public OpcExclusiveRateOfChangeAlarm(IOpcReadOnlyNodeDataStore dataStore)
```

</div>

<div class="api-signature" data-lang="vbnet">

```vbnet
Public Sub New(dataStore As IOpcReadOnlyNodeDataStore)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `dataStore` | [IOpcReadOnlyNodeDataStore](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcreadonlynodedatastore/) | The [IOpcReadOnlyNodeDataStore](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcreadonlynodedatastore/) of the 'Opc.UaFx.OpcExclusiveRateOfChangeAlarmNode' to represent. |

**Exceptions**

| Exception | Condition |
|---|---|
| [ArgumentNullException](https://learn.microsoft.com/dotnet/api/system.argumentnullexception) | The `dataStore` is a null reference (Nothing in Visual Basic). |