OPC Studio User's Guide and Reference
FromString Method (DAPropertyDescriptor)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess Namespace > DAPropertyDescriptor Class : FromString Method
Contains the qualified name or the property Id as a string of the OPC property.

The value of this parameter can be null (Nothing in Visual Basic).

Converts a qualified name or a property Id as a string to a DAPropertyDescriptor object.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Public Shared Function FromString( _
   ByVal propertyString As String _
) As DAPropertyDescriptor
'Usage
 
Dim propertyString As String
Dim value As DAPropertyDescriptor
 
value = DAPropertyDescriptor.FromString(propertyString)
[CanBeNull()]
public static DAPropertyDescriptor FromString( 
   string propertyString
)
[CanBeNull()]
public:
static DAPropertyDescriptor^ FromString( 
   String^ propertyString
) 

Parameters

propertyString
Contains the qualified name or the property Id as a string of the OPC property.

The value of this parameter can be null (Nothing in Visual Basic).

Return Value

Returns a DAPropertyDescriptor converted from the input argument.

This method can return null (Nothing in Visual Basic).

Remarks

In languages that support implicit conversions (such as C# or VB.NET), in many cases you do not have call this method explicitly. When indicated, a call to an available equivalent implicit conversion operator will be created by the compiler automatically.

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