OPC Studio User's Guide and Reference
ToUAEventFilter Method



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace > UAEventFilterBuilder Class : ToUAEventFilter Method
An event filter builder.

The value of this parameter can be null (Nothing in Visual Basic).

Converts an event filter builder to a event filter.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Public Shared Function ToUAEventFilter( _
   ByVal eventFilterBuilder As UAEventFilterBuilder _
) As UAEventFilter
'Usage
 
Dim eventFilterBuilder As UAEventFilterBuilder
Dim value As UAEventFilter
 
value = UAEventFilterBuilder.ToUAEventFilter(eventFilterBuilder)
[CanBeNull()]
public static UAEventFilter ToUAEventFilter( 
   UAEventFilterBuilder eventFilterBuilder
)
[CanBeNull()]
public:
static UAEventFilter^ ToUAEventFilter( 
   UAEventFilterBuilder^ eventFilterBuilder
) 

Parameters

eventFilterBuilder
An event filter builder.

The value of this parameter can be null (Nothing in Visual Basic).

Return Value

Returns an event filter that the event filter builder describes.

This method can return null (Nothing in Visual Basic).

Remarks

In languages that support implicit conversions (such as C# or VB.NET), in many cases you do not have call this method explicitly. When indicated, a call to an available equivalent implicit conversion operator will be created by the compiler automatically.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also