OPC Studio User's Guide and Reference
IsWritable Property



OpcLabs.ServerOpcUA Assembly > OpcLabs.EasyOpc.UA.NodeSpace Namespace > UADataVariable Class : IsWritable Property
Determines whether the variable value is writable.
Syntax
'Declaration
 
Public Property IsWritable As Boolean
'Usage
 
Dim instance As UADataVariable
Dim value As Boolean
 
instance.IsWritable = value
 
value = instance.IsWritable
public bool IsWritable {get; set;}
public:
property bool IsWritable {
   bool get();
   void set (    bool value);
}

Property Value

true if the variable is writable; otherwise, false.

The default value of this property is True.

Remarks

This property allows clients to determine if the variable's value can be modified by OPC clients. Setting this to false can be used to restrict write access to the variable's value, making it read-only.

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