C# Class Opc.Ua.Com.Client.ComDaGroup

A wrapper for COM-DA group.

Inheritance: ComObject

显示文件 Open project: OPCFoundation/UA-.NET Class Usage Examples

Public Methods

Method	Description
ActivateItems ( bool active ) : void	Sets the active state for a set of items in a group.
AddItems ( ) : void	Adds all items to the group that have not already been added.
ApplyChanges ( ) : bool	Applys any changes to the group.
ComDaGroup ( ComDaClient server, bool callbacksRequired ) : System	Creates an empty group.
Create ( ) : void	Creates the group on the server if not already created.
CreateItem ( string itemId, int samplingInterval, float deadband, bool active ) : GroupItem	Creates the item.
Delete ( ) : void	Deletes the group on the server if it has been created.
ModifyGroup ( ) : int	Modifies the group.
ModifyItem ( GroupItem item, int samplingInterval, float deadband, bool active ) : bool	Modifies the item.
RemoveItem ( GroupItem item ) : bool	Removes the item from the group.
RemoveItems ( ) : void	Removes the items from the group that have been marked as deleted.
SetMonitoredItems ( GroupItem item, MonitoredItem monitoredItems ) : void	Sets the monitored items associated with the item.
SyncRead ( int serverHandles, int count ) : DaValue[]	Reads the values for a set of items.
SyncWrite ( int serverHandles, object values, int count ) : int[]	Writes the values for a set of items.

Protected Methods

Method	Description
Dispose ( bool disposing ) : void	An overrideable version of the Dispose.
ReleaseServer ( ) : void	Releases all references to the server.

Private Methods

Method	Description
GetItemResults ( IntPtr &pInput, int count, bool deallocate ) : int[]	Unmarshals and deallocates a OPCITEMRESULT structures.
GetItemValues ( IntPtr &pInput, int count, bool deallocate ) : DaValue[]	Unmarshals and deallocates a OPCITEMSTATE structures.
GetItemValues ( int dwCount, object pvValues, short pwQualities, System pftTimeStamps, int pErrors ) : DaValue[]	Creates an array of item value result objects from the callback data.
OnDataChange ( int clientHandles, DaValue values ) : void	Called when a data change event arrives.
OnReadComplete ( int requestId, int clientHandles, DaValue values ) : void	Called when a asynchronous read completes.
OnWriteComplete ( int requestId, int clientHandles, int errors ) : void	Called when a asynchronous write completes.

Method Details

ActivateItems() public method

Sets the active state for a set of items in a group.

public ActivateItems ( bool active ) : void
active	bool
return	void

AddItems() public method

Adds all items to the group that have not already been added.

public AddItems ( ) : void
return	void

ApplyChanges() public method

Applys any changes to the group.

public ApplyChanges ( ) : bool
return	bool

ComDaGroup() public method

Creates an empty group.

public ComDaGroup ( ComDaClient server, bool callbacksRequired ) : System
server	ComDaClient	The server that the group belongs to.
callbacksRequired	bool	if set to true if the group will received callbacks.
return	System

Create() public method

Creates the group on the server if not already created.

public Create ( ) : void
return	void

CreateItem() public method

Creates the item.

public CreateItem ( string itemId, int samplingInterval, float deadband, bool active ) : GroupItem
itemId	string	The item id.
samplingInterval	int	The sampling interval.
deadband	float	The deadband.
active	bool	if set to true [active].
return	GroupItem

Delete() public method

Deletes the group on the server if it has been created.

public Delete ( ) : void
return	void

Dispose() protected method

An overrideable version of the Dispose.

protected Dispose ( bool disposing ) : void
disposing	bool
return	void

ModifyGroup() public method

Modifies the group.

public ModifyGroup ( ) : int
return	int

ModifyItem() public method

Modifies the item.

public ModifyItem ( GroupItem item, int samplingInterval, float deadband, bool active ) : bool
item	GroupItem	The item.
samplingInterval	int	The sampling interval.
deadband	float	The deadband.
active	bool	if set to true [active].
return	bool

ReleaseServer() protected method

Releases all references to the server.

protected ReleaseServer ( ) : void
return	void

RemoveItem() public method

Removes the item from the group.

public RemoveItem ( GroupItem item ) : bool
item	GroupItem	The item.
return	bool

RemoveItems() public method

Removes the items from the group that have been marked as deleted.

public RemoveItems ( ) : void
return	void

SetMonitoredItems() public method

Sets the monitored items associated with the item.

public SetMonitoredItems ( GroupItem item, MonitoredItem monitoredItems ) : void
item	GroupItem	The item.
monitoredItems	Opc.Ua.Server.MonitoredItem	The monitored items.
return	void

SyncRead() public method

Reads the values for a set of items.

public SyncRead ( int serverHandles, int count ) : DaValue[]
serverHandles	int
count	int
return	DaValue[]

SyncWrite() public method

Writes the values for a set of items.

public SyncWrite ( int serverHandles, object values, int count ) : int[]
serverHandles	int
values	object
count	int
return	int[]