After an item read call, connection to an OPC item will be maintained at least for the time period specified here.
DISPID (Dispatch ID):
For more information, see TopicRead in .NET Reference.
DISPID (Dispatch ID):
For more information, see TopicRead in .NET Reference.
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Public Property TopicRead As Long |
See TopicRead in .NET Reference.
For remarks, see TopicRead in .NET Reference.
For examples, see TopicRead in .NET Reference.