# OpcApplication Members
- Type
- OpcApplication
- Namespace
- Opc.UaFx
- Assembly
- Opc.UaFx.Advanced.dll
- Package
- Opc.UaFx.Advanced v2.59.0
- Also in
- Opc.UaFx.Client
## Constructors
### OpcApplication
protected
```csharp
protected OpcApplication()
```
```vbnet
Protected Sub New()
```
**Exceptions**
| Exception | Condition |
|---|---|
| [InvalidOperationException](https://learn.microsoft.com/dotnet/api/system.invalidoperationexception) | |
## Properties
### Company
static
```csharp
public static string Company { get; }
```
```vbnet
Public Shared ReadOnly Property Company As String
```
**Property value**
[String](https://learn.microsoft.com/dotnet/api/system.string)
### Configuration
virtual
```csharp
public virtual OpcApplicationConfiguration Configuration { get; }
```
```vbnet
Public Overridable ReadOnly Property Configuration As OpcApplicationConfiguration
```
**Property value**
[OpcApplicationConfiguration](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplicationconfiguration/)
**Exceptions**
| Exception | Condition |
|---|---|
| [NotSupportedException](https://learn.microsoft.com/dotnet/api/system.notsupportedexception) | |
**Implements**
[Configuration](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#configuration)
### Current
static
```csharp
public static OpcApplication Current { get; }
```
```vbnet
Public Shared ReadOnly Property Current As OpcApplication
```
**Property value**
[OpcApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/)
### Name
static
```csharp
public static string Name { get; }
```
```vbnet
Public Shared ReadOnly Property Name As String
```
**Property value**
[String](https://learn.microsoft.com/dotnet/api/system.string)
### ProductCompany
virtual
```csharp
public virtual string ProductCompany { get; }
```
```vbnet
Public Overridable ReadOnly Property ProductCompany As String
```
**Property value**
[String](https://learn.microsoft.com/dotnet/api/system.string)
**Implements**
[ProductCompany](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#productcompany)
### ProductName
virtual
```csharp
public virtual string ProductName { get; }
```
```vbnet
Public Overridable ReadOnly Property ProductName As String
```
**Property value**
[String](https://learn.microsoft.com/dotnet/api/system.string)
**Implements**
[ProductName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#productname)
### ProductVersion
virtual
```csharp
public virtual Version ProductVersion { get; }
```
```vbnet
Public Overridable ReadOnly Property ProductVersion As Version
```
**Property value**
[Version](https://learn.microsoft.com/dotnet/api/system.version)
**Implements**
[ProductVersion](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#productversion)
### Version
static
```csharp
public static Version Version { get; }
```
```vbnet
Public Shared ReadOnly Property Version As Version
```
**Property value**
[Version](https://learn.microsoft.com/dotnet/api/system.version)
## Methods
### AfterRun
protected · virtual
```csharp
protected virtual void AfterRun()
```
```vbnet
Protected Overridable Sub AfterRun()
```
### BeforeRun
protected · virtual
```csharp
protected virtual void BeforeRun()
```
```vbnet
Protected Overridable Sub BeforeRun()
```
### Dispose
2 overloads
| Overload | Description |
|---|---|
| [Dispose()](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#dispose-noparams) | Releases all resources used by the [OpcApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/). |
| [Dispose(bool)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#dispose-system-boolean)protected · virtual | Releases the unmanaged resources used by the [OpcApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/) and optionally releases the managed resources. |
#### Dispose()
Releases all resources used by the [OpcApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/).
```csharp
public void Dispose()
```
```vbnet
Public Sub Dispose()
```
**Implements**
[Dispose()](https://learn.microsoft.com/dotnet/api/system.idisposable.dispose)
#### Dispose(bool)
protected · virtual
Releases the unmanaged resources used by the [OpcApplication](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/) and optionally releases the managed resources.
```csharp
protected virtual void Dispose(bool disposing)
```
```vbnet
Protected Overridable Sub Dispose(disposing As Boolean)
```
**Parameters**
| Name | Type | Description |
|---|---|---|
| `disposing` | [Boolean](https://learn.microsoft.com/dotnet/api/system.boolean) | The value true to release both managed and unmanaged resources; otherwise the value false to release only unmanaged resources. |
### Exit
```csharp
public void Exit()
```
```vbnet
Public Sub [Exit]()
```
**Implements**
[Exit](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#exit)
### ExitCore
protected · virtual
```csharp
protected virtual void ExitCore()
```
```vbnet
Protected Overridable Sub ExitCore()
```
### LoadConfiguration
2 overloads
| Overload | Description |
|---|---|
| [LoadConfiguration()](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#loadconfiguration-noparams) | |
| [LoadConfiguration(string)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcapplication/members#loadconfiguration-system-string) | |
#### LoadConfiguration()
```csharp
public void LoadConfiguration()
```
```vbnet
Public Sub LoadConfiguration()
```
#### LoadConfiguration(string)
```csharp
public void LoadConfiguration(string configSectionName)
```
```vbnet
Public Sub LoadConfiguration(configSectionName As String)
```
**Parameters**
| Name | Type | Description |
|---|---|---|
| `configSectionName` | [String](https://learn.microsoft.com/dotnet/api/system.string) | |
### LoadConfigurationCore
protected · abstract
```csharp
protected abstract void LoadConfigurationCore(string configSectionName)
```
```vbnet
Protected MustOverride Sub LoadConfigurationCore(configSectionName As String)
```
**Parameters**
| Name | Type | Description |
|---|---|---|
| `configSectionName` | [String](https://learn.microsoft.com/dotnet/api/system.string) | |
### OnExited
protected · virtual
```csharp
protected virtual void OnExited(EventArgs e)
```
```vbnet
Protected Overridable Sub OnExited(e As EventArgs)
```
**Parameters**
| Name | Type | Description |
|---|---|---|
| `e` | [EventArgs](https://learn.microsoft.com/dotnet/api/system.eventargs) | |
### OnExiting
protected · virtual
```csharp
protected virtual void OnExiting(EventArgs e)
```
```vbnet
Protected Overridable Sub OnExiting(e As EventArgs)
```
**Parameters**
| Name | Type | Description |
|---|---|---|
| `e` | [EventArgs](https://learn.microsoft.com/dotnet/api/system.eventargs) | |
### OnStarted
protected · virtual
```csharp
protected virtual void OnStarted(EventArgs e)
```
```vbnet
Protected Overridable Sub OnStarted(e As EventArgs)
```
**Parameters**
| Name | Type | Description |
|---|---|---|
| `e` | [EventArgs](https://learn.microsoft.com/dotnet/api/system.eventargs) | |
### OnStarting
protected · virtual
```csharp
protected virtual void OnStarting(EventArgs e)
```
```vbnet
Protected Overridable Sub OnStarting(e As EventArgs)
```
**Parameters**
| Name | Type | Description |
|---|---|---|
| `e` | [EventArgs](https://learn.microsoft.com/dotnet/api/system.eventargs) | |
### Run
```csharp
public void Run()
```
```vbnet
Public Sub Run()
```
**Exceptions**
| Exception | Condition |
|---|---|
| [InvalidOperationException](https://learn.microsoft.com/dotnet/api/system.invalidoperationexception) | |
**Implements**
[Run](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#run)
### RunCore
protected · abstract
```csharp
protected abstract int RunCore()
```
```vbnet
Protected MustOverride Function RunCore() As Integer
```
**Returns**
[Int32](https://learn.microsoft.com/dotnet/api/system.int32)
## Events
### Exited
```csharp
public event EventHandler Exited
```
```vbnet
Public Event Exited As EventHandler
```
**Event type**
[EventHandler](https://learn.microsoft.com/dotnet/api/system.eventhandler)
**Implements**
[Exited](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#exited)
### Exiting
```csharp
public event EventHandler Exiting
```
```vbnet
Public Event Exiting As EventHandler
```
**Event type**
[EventHandler](https://learn.microsoft.com/dotnet/api/system.eventhandler)
**Implements**
[Exiting](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#exiting)
### Started
```csharp
public event EventHandler Started
```
```vbnet
Public Event Started As EventHandler
```
**Event type**
[EventHandler](https://learn.microsoft.com/dotnet/api/system.eventhandler)
**Implements**
[Started](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#started)
### Starting
```csharp
public event EventHandler Starting
```
```vbnet
Public Event Starting As EventHandler
```
**Event type**
[EventHandler](https://learn.microsoft.com/dotnet/api/system.eventhandler)
**Implements**
[Starting](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcapplication/members#starting)