creates a tdOPCClient object

Connect establishes a connection to an OPC DA server.

Disconnect disconnects from a connected OPC server.

function TdOPCSvr.GetServerStateStr: string; var s : integer; begin

LoadFromFile loads the component data from the file passed by the FromFile parameter and fills all properties, groups and items.

LoadFromStream loads the component data from the stream passed by the Stream parameter and fills all properties, groups and items.

SaveToFile saves the TdOPCSrv component to the file passed by the ToFile parameter (including all properties, groups and items).

SaveToStream saves the TdOPCSrv component to the stream passed by the Stream parameter (including all properties, groups and items).

ServerStateStr contains the ServerState as a string.

ServerTypeName returns the type of the OPC server as a string.

Version2 returns True if the OPC server is OPC DA 2 server, otherwise False.

Version3 returns True if the OPC server is OPC DA 3 server, otherwise False.

With is method you can set a special connection parameter for UA or XML connections.

Returns the underlying communication object.

This is Destroy, a member of class TdOPCClient.