OPC Studio User's Guide and Reference
TryAssign Method (_BrowsePath)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.Navigation.ComTypes Namespace > _BrowsePath Interface : TryAssign Method
The absolute browse path string to be assigned to the current browse path object.

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

Attempts to assign an absolute browse path string to the current browse path object.
Syntax
'Declaration
 
<CanBeNullAttribute()>
Function TryAssign( _
   ByVal absolute As String _
) As StringParsingError
'Usage
 
Dim instance As _BrowsePath
Dim absolute As String
Dim value As StringParsingError
 
value = instance.TryAssign(absolute)
[CanBeNull()]
StringParsingError TryAssign( 
   string absolute
)
[CanBeNull()]
StringParsingError^ TryAssign( 
   String^ absolute
) 

Parameters

absolute
The absolute browse path string to be assigned to the current browse path object.

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

Return Value

Returns null if successful; otherwise, some OpcLabs.BaseLib.IStringParsingError indicating the reason of the failure.

This method can return 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
If successful, the current contents of the browse path object is replaced.

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