dOPCDA

dOPC Client Toolkit

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dOPCDA

Functions Legend Types

Under the dOPCDA namespace you will find all constants, types and components to develop OPC Data Access clients

Classes

	TdOPCDAClient	Class to connect to an OPC Server.
	TdOPCBrowser	class to browse Items from a OPC Server
	TdOPCGroups	List of OPC Groups
	TdOPCGroup	self defined group for better handling of your OPC items.
	TdOPCItems	class to store all dOPCItems of a dOPCGroup
	TdOPCItem	class for an OPCItem
	TdOPCItemProperties	class to store a list of all properties of an OPC Item
	TdOPCPropertyBrowser	class to browse for properties of given items
	TdDefaultItem	class to define default Items of an OPCItem
	TdDefaultGroup	class to define default group properties
	TdOPCItemList	List of OPC Items

Functions

	GetItemProp	Returns a OPC Items property.
	ServerStateToStr	Returns the server state as string.

Types

TGroupStateRec	This is type dOPCDA.TGroupStateRec.
OPCADataType	See dOPCADataType.
OPCAcesstype	See dOPCAcesstype.
TOnOPCDataChangeEvent	TOnOPCDataChangeEvent is generated when a value or the quality of a value for an item has changed.
TdOPCGroupClass	See TdOPCGroup.
TdOPCGroupsClass	See TdOPCGroups.
TdOPCItemClass	See TdOPCItem.
TdOPCItemsClass	See TdOPCItems.

dOPC version 5.33. Copyright © 2025 by Kassl GmbH.

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