OPC Studio User's Guide and Reference
Scheme Property (ResourceDescriptor)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib Namespace > ResourceDescriptor Class : Scheme Property
The scheme name of the URI.
Syntax
'Declaration
 
<IgnoreDataMemberAttribute()>
<XmlIgnoreAttribute()>
Public Property Scheme As String
'Usage
 
Dim instance As ResourceDescriptor
Dim value As String
 
instance.Scheme = value
 
value = instance.Scheme
[IgnoreDataMember()]
[XmlIgnore()]
public string Scheme {get; set;}
[IgnoreDataMember()]
[XmlIgnore()]
public:
property String^ Scheme {
   String^ get();
   void set (    String^ value);
}

Property Value

The value represents a URI scheme. The property value can only be a valid URI scheme. A valid URI scheme passes the OpcLabs.BaseLib.Utilities.UriUtilities.IsValidScheme test.

This value of this property can be null (Nothing in Visual Basic).

Exceptions
ExceptionDescription

One of the arguments provided to a method is not valid.

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.

Remarks

The getter method of this property is pure, i.e. it does not have observable side effects.

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