The following tables list the members exposed by Subscription.
Name | Description | |
---|---|---|
Subscription Constructor |
Name | Description | |
---|---|---|
clientHandle | OPC clcient handle for the item | |
control | Assigned Windows control | |
controlIndex | Index in the controlProperty. For certain controls only. | |
controlIndex2 | Second index in the controlProperty. For certain controls only. | |
controlProperty | Optional property name of the control object | |
idef | Item definition object of the underlying RefreshGroup | |
ItemName | OPC Item ID | |
parent | The OpcDataBind object owning the subscription |
Name | Description | |
---|---|---|
Error | Curren itme error state | |
Format | Optional item value formating and transformation definitions. | |
ItemInfo | Item definition object to allow acces to lower level OPC server access methods. | |
Quality | Current item quality as a string | |
QualityCode | Current item quality as an OPC enumeration value | |
Timestamp | Current item timestamp | |
Value | Current item value |
Name | Description | |
---|---|---|
Read | Read a new item value from the OPC server using synchronolus read. | |
Remove | Cancel the subscription and remove the item from the refresh handling group. | |
Write | Write a new item value to the OPC server using synchronous write. |