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



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.Aliasing.ComTypes Namespace > _AliasRepository Interface : GetAliasNames Method
The alias filter, which specifies conditions for selecting aliases.

The value of this parameter cannot be null (Nothing in Visual Basic).

Gets names of aliases that satisfy the specified filter.
Syntax
'Declaration
 
<NotNullAttribute()>
Function GetAliasNames( _
   ByVal aliasFilter As Object _
) As ValueResult
'Usage
 
Dim instance As _AliasRepository
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.

The value of this parameter cannot be null (Nothing in Visual Basic).

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.

This method never returns null (Nothing in Visual Basic).

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.

Remarks

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

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