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



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

Property Value

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

The default value of this property is null.

Remarks

The Query property contains any query information included in the URI. Query information is separated from the path information by a question mark (?) and continues to the end of the URI. The query information returned includes the leading question mark.

The query information is escaped according to RFC 2396.

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

This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

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