OPC Studio User's Guide and Reference
GetMetaValue Method (DAMappingProvider)



OpcLabs.EasyOpcClassic Assembly > OpcLabs.EasyOpc.DataAccess.LiveMapping Namespace > DAMappingProvider Class : GetMetaValue Method
The name of the meta-member.The name of the meta-member.The name of the meta-member.The name of the meta-member.
The target object.The target object.The target object.The target object.
The mapping context.The mapping context.The mapping context.The mapping context.
The current mapper.The current mapper.The current mapper.The current mapper.
Obtains a value of a specified meta-member. Obtains a value of a specified meta-member. Obtains a value of a specified meta-member. Obtains a value of a specified meta-member.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Protected Overrides NotOverridable Function GetMetaValue( _
   ByVal metaName As String, _
   ByVal targetObject As Object, _
   ByVal mappingContext As AbstractMappingContext, _
   ByVal mapper As AbstractMapper _
) As Object
'Usage
 
Dim instance As DAMappingProvider
Dim metaName As String
Dim targetObject As Object
Dim mappingContext As AbstractMappingContext
Dim mapper As AbstractMapper
Dim value As Object
 
value = instance.GetMetaValue(metaName, targetObject, mappingContext, mapper)

Parameters

metaName
The name of the meta-member.The name of the meta-member.The name of the meta-member.The name of the meta-member.
targetObject
The target object.The target object.The target object.The target object.
mappingContext
The mapping context.The mapping context.The mapping context.The mapping context.
mapper
The current mapper.The current mapper.The current mapper.The current mapper.

Return Value

The value of the meta-member.The value of the meta-member.The value of the meta-member.The value of the meta-member.
Remarks

OpcLabs.BaseLib.LiveMapping.AbstractMappingProvider supports following meta-members:

OpcLabs.BaseLib.LiveMapping.AbstractMappingProvider supports following meta-members:

OpcLabs.EasyOpc.LiveMapping.CommonMappingProvider supports following meta-members:

OpcLabs.BaseLib.LiveMapping.AbstractMappingProvider supports following meta-members:

OpcLabs.BaseLib.LiveMapping.AbstractMappingProvider supports following meta-members:

OpcLabs.EasyOpc.LiveMapping.CommonMappingProvider supports following meta-members:

OpcLabs.EasyOpc.LiveMapping.CommonMappingProvider supports following meta-members:

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