OPC Studio User's Guide and Reference
FromFile Method (_StreamLoader)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.IO.ComTypes Namespace > _StreamLoader Interface : FromFile Method
The path and name of the file to load the value from.

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

Loads a value from a file.
Syntax
'Declaration
 
<NotNullAttribute()>
Function FromFile( _
   ByVal filePathAndName As String _
) As ValueResult
'Usage
 
Dim instance As _StreamLoader
Dim filePathAndName As String
Dim value As ValueResult
 
value = instance.FromFile(filePathAndName)
[NotNull()]
ValueResult FromFile( 
   string filePathAndName
)
[NotNull()]
ValueResult^ FromFile( 
   String^ filePathAndName
) 

Parameters

filePathAndName
The path and name of the file to load the value from.

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

Return Value

Returns value result with the value loaded.

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

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