OPC Studio User's Guide and Reference
GetAliasNames Method (_ReadOnlyAliasRepository)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.Aliasing.ComTypes Namespace > _ReadOnlyAliasRepository Interface : GetAliasNames Method
The alias filter, which specifies conditions for selecting aliases.
Gets names of aliases that satisfy the specified filter.
Syntax
'Declaration
 
<NotNullAttribute()>
Function GetAliasNames( _
   ByVal aliasFilter As Object _
) As ValueResult
'Usage
 
Dim instance As _ReadOnlyAliasRepository
Dim aliasFilter As Object
Dim value As ValueResult
 
value = instance.GetAliasNames(aliasFilter)
[NotNull()]
ValueResult GetAliasNames( 
   object aliasFilter
)
[NotNull()]
ValueResult^ GetAliasNames( 
   Object^ aliasFilter
) 

Parameters

aliasFilter
The alias filter, which specifies conditions for selecting aliases.

Return Value

Returns a value result which contains a sequence of names of aliases that satisfy the aliasFilter in case of success, or an error in case of failure.
Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

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