class to store an browse item see also TdOPCBrowser or IOPCBrowser
TdOPCBrowseItem stores information about items of the OPC server address space.

string list to store TdOPCBrowseItem elements

to get forin statement working

abstract dOPC core class only to include dOPCIntf in uses statement
TdOPCComponent is an abstract class only to include dOPCIntf in the uses statement.

abstract dOPC core component for interface classes

class to store informations about an OPC item
TdOPCItemData stores information about an OPC DA item.

class to store property informations of an OPC Item
TdOPCItemProperty stores information about an OPC DA item property.

to get forin statement working

class for sending async messages between dOPC components like Windows TMesssage

Exception class.

Exception class.

Exception class.

Exception class.

consts for logging information

Exception class.

This is class dOPCIntf.TdOPCLogMsg.

Exception class.

tdOPCConnectionType provides the possible connection types to OPC DA servers.

T][P] wide null terminated string
dOPCADatatype provides the possible data types of OPC server items.

converts access right values to strings

converts EU type values to strings
EuTypeToStr converts the passed EUType of an item to a string and returns it.

converts OPC property numbers to strings e.g.

converts OPC property names to numbers e.g.

converts quality values to strings

converts EU type strings to a value
StrToEUType converts the passed EUStr of an item to an integer and returns it.

This is function dOPCIntf.UAToVariantDatatype.

This is function dOPCIntf.dOPCCoUninitialize.

This is function dOPCIntf.dOPCFreeObj.

converts a OPC Serverstate to string see also OPCStateStr

Interface for OPC item browser
IdOPCBrowser contains the interface to manage an OPC server browser.

Interface for a OPC server connection
IdOPCConnection contains the interface to access an OPC server browser.

Interface for a OPC data access server connection
IdOPCDAConnection contains the interface to manage OPC DA server connections.

Interface for OPC Group
IdOPCGroup provides the interface to administrate OPC groups.

Interface for OPC Server Bowser
IdOPCServerBrowser contains the interface to manage OPC server browsers.

record to save OPC server states
Record for server states.

record to save group properties
Record for group states.

OPCVariant = OleVariant;

This is type dOPCIntf.TItemList.

This is type dOPCIntf.TdList.

This is type dOPCIntf.TdOPCBrowseItemList.

This is type dOPCIntf.TdOPCItemPropList.

This is type dOPCIntf.TdOPCMsgList.

dOPCAcesstype contains options for the access to items of OPC servers.

tdOPCAddServerEvent is generated when a new server is added.

Servertypes for dopcServerBrowser