OPC Labs EasyOPC “Classic” Components Library
QueryEventCategories Method
OpcLabs_EasyOpcClassicComponents ActiveX DLL > EasyAEClient Object : QueryEventCategories Method

Description
Finds out events categories supported by the server. Server descriptor is used for specifying the OPC server. Queries event categories for given event types.

 

DISPID (Dispatch ID):

 

For more information, see QueryEventCategories in .NET Reference.

Syntax
Visual Basic
Public Function QueryEventCategories( _
   ByVal serverDescriptor As Variant, _
   ByVal eventTypes As Long _
) As AECategoryElementCollection
Parameters
serverDescriptor

eventTypes

Return Type

See QueryEventCategories in .NET Reference.

Remarks

For remarks, see QueryEventCategories in .NET Reference.

Example

For examples, see QueryEventCategories in .NET Reference.

See Also

EasyAEClient Object  | EasyAEClient Members