Connectivity Software User's Guide and Reference
ToPrecise Method



OpcLabs.EasyOpcUAPrimitives Assembly > OpcLabs.EasyOpc.UA.Extensions Namespace > UAMessageSecurityModesExtension Class : ToPrecise Method
The message security modes (may contain multiple flags).
Converts message security modes to a precise single mode by selecting the lowest level mode.
Syntax
'Declaration
 
<ExtensionAttribute()>
Public Shared Function ToPrecise( _
   ByVal messageSecurityModes As UAMessageSecurityModes _
) As UAMessageSecurityModes
'Usage
 
Dim messageSecurityModes As UAMessageSecurityModes
Dim value As UAMessageSecurityModes
 
value = UAMessageSecurityModesExtension.ToPrecise(messageSecurityModes)

Parameters

messageSecurityModes
The message security modes (may contain multiple flags).

Return Value

Returns a precise message security mode containing only the first (lowest level) flag that was set in messageSecurityModes.

Because there is an implicit conversion from OpcLabs.EasyOpc.UA.Engine.UAMessageSecurityModes to OpcLabs.EasyOpc.UA.Engine.UAEndpointSelectionPolicy, you can simply use the returned OpcLabs.EasyOpc.UA.Engine.UAMessageSecurityModes in any place where OpcLabs.EasyOpc.UA.Engine.UAEndpointSelectionPolicy is expected as input, and the corresponding endpoint selection policy will be constructed automatically from the message security modes. When the implicit conversion operators are not supported (such as with Python.NET), you can use the FromUAMessageSecurityModes static method instead.

Remarks

This method takes message security modes that may have multiple flags set and returns a precise mode with only the lowest level security mode flag set. This is useful when you need to select a single specific mode from a set of allowed modes.

This is an extension method (info: C#, VB.NET). In languages that have support for extensions methods (such as C# and VB.NET), you can use the extension method as if it were a regular method on the object that is its first parameter. In other languages (such as with Python.NET), you will call the extension as a static method, and pass it the object on which it acts as its first parameter.

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