The QueryAvailableFilters method gives clients a means of finding out exactly
which filter criteria are supported by a given event server.
This method would typically be invoked before configuring thefilter on
an OPCEventSubscription object.
Syntax
| Visual Basic (Declaration) | |
|---|
Public Function QueryAvailableFilters( _
ByRef FilterMask As OPCAE.OPCAEFilters _
) As Integer
|
| C# | |
|---|
public int QueryAvailableFilters(
out OPCAE.OPCAEFilters FilterMask
)
|
Parameters
- FilterMask
- This is a pointer to a bit mask which indicates which types of filtering are supported by the server.
See OPC specification for mask values.
Return Value
HRESULTS error/success code.
Requirements
Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2016, .NET 4.x
See Also
