OPC Studio User's Guide and Reference
IsValidEventSource Method



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.Instrumentation Namespace > LogEntryEventArgs Class : IsValidEventSource Method
The name of the event source.
Determines whether the given event source string is valid, i.e. not a null reference and not empty.
Syntax
'Declaration
 
<ContractAnnotationAttribute("null => false")>
<PureAttribute()>
Public Shared Function IsValidEventSource( _
   ByVal source As String _
) As Boolean
'Usage
 
Dim source As String
Dim value As Boolean
 
value = LogEntryEventArgs.IsValidEventSource(source)
[ContractAnnotation("null => false")]
[Pure()]
public static bool IsValidEventSource( 
   string source
)
[ContractAnnotation("null => false")]
[Pure()]
public:
static bool IsValidEventSource( 
   String^ source
) 

Parameters

source
The name of the event source.

Return Value

true iff the event source string is valid.
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