OPC Studio User's Guide and Reference
ServerDescriptor Constructor(String,NetworkSecurity)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc Namespace > ServerDescriptor Class > ServerDescriptor Constructor : ServerDescriptor Constructor(String,NetworkSecurity)

The value represents a server descriptor string. Any string can be passed to this parameter (i.e. will not cause System.ArgumentException), but not all values make sense and will work when an operation using them is attempted. The server descriptor string is typically the ProgID (or {CLSID}) of the object, a string in the form "\\machineName\serverClass", or a URI of the object.

The value of this parameter cannot be null (Nothing in Visual Basic).

The value of this parameter cannot be null (Nothing in Visual Basic).

Initializes a new instance of the class, with specified server class (ProgID) or a URL string, and network security.
Syntax
'Declaration
 
<CLSCompliantAttribute(False)>
Public Function New( _
   ByVal descriptorString As String, _
   ByVal networkSecurity As NetworkSecurity _
)
'Usage
 
Dim descriptorString As String
Dim networkSecurity As NetworkSecurity
 
Dim instance As New ServerDescriptor(descriptorString, networkSecurity)
[CLSCompliant(false)]
public ServerDescriptor( 
   string descriptorString,
   NetworkSecurity networkSecurity
)
[CLSCompliant(false)]
public:
ServerDescriptor( 
   String^ descriptorString,
   NetworkSecurity^ networkSecurity
)

Parameters

descriptorString

The value represents a server descriptor string. Any string can be passed to this parameter (i.e. will not cause System.ArgumentException), but not all values make sense and will work when an operation using them is attempted. The server descriptor string is typically the ProgID (or {CLSID}) of the object, a string in the form "\\machineName\serverClass", or a URI of the object.

The value of this parameter cannot be null (Nothing in Visual Basic).

networkSecurity

The value of this parameter cannot be null (Nothing in Visual Basic).

Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

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