OPC Studio User's Guide and Reference
Explicit Type Conversion Operator (DAVtqResult)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.OperationModel Namespace > DAVtqResult Class : Explicit Type Conversion Operator
The OPC-DA VTQ result to be converted.

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

Converts OPC-DA VTQ result object to a corresponding value result object, OpcLabs.BaseLib.OperationModel.ValueResult.
Syntax
'Declaration
 
<CanBeNullAttribute()>
<ContractAnnotationAttribute("null => null; notnull => notnull")>
Public Operator Narrowing CType( _
   ByVal vtqResult As DAVtqResult _
) As ValueResult
'Usage
 
[CanBeNull()]
[ContractAnnotation("null => null; notnull => notnull")]
public ValueResult operator explicit( 
   DAVtqResult vtqResult
)
[CanBeNull()]
[ContractAnnotation("null => null; notnull => notnull")]
public:
ValueResult^ operator explicit( 
   DAVtqResult^ vtqResult
)

Parameters

vtqResult
The OPC-DA VTQ result to be converted.

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

Return Value

The value result object that corresponds to the VTQ result. null if the VTQ result passed in was null.

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

Remarks

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