The following tables list the members exposed by SyncIOGroup.
Public Constructors
| Name | Description | |
|---|---|---|
 | SyncIOGroup Constructor | Overloaded. |
Public Fields
| Name | Description | |
|---|---|---|
 | iClientHandle |
Public Properties
| Name | Description | |
|---|---|---|
 | ClientHandle | Group client handle |
| OpcGrp | Associated OPC group object |
Public Methods
| Name | Description | |
|---|---|---|
 | Add | Overloaded. Add an item to the group. The item is also added to the associated OPC group and the item characteristics are stored in the ItemDef object OPCIIinfo This method is provided for the handling of special sitution and is not used in most applications. The read/write function call it internally if the item is not yet added. |
| Dispose | Removes the OPC group and releases the internal item collection |
| FindClientHandle | Return the item object for the item with the specified client handle. The method is typically used in the data changed callback handler. |
| GetErrorString | Get the error text from the OPC server. ( IOPCServer::GetErrorString ) This method is added for user convenience. |
| GetItemsInGroup | Get the information about the items in the group. |
| GetQualityString | Convert the OPC item quality code into a text string. The codes is defined in the enumerator OPC_QUALITY_STATUS. |
| Item | Return the item object for the item with the specified name. The name must be full path name. |
| Read | Overloaded. Read the current value of the specified item. The item is added to the group if it is not yet added. A synchronous OpcGroup read function is executed. |
| Remove | Remove one item from the SyncIOGroup object. The item is also removed from the associated OPC group. |
| Write | Overloaded. Write a new value to the specifed item. A synchronous OPC server write call is executed. |
