This method is called from the generic server at startup. It passes the callback methods supported by the generic server. These callback methods can be called anytime to exchange data with the generic server.
The DefineCallbacks method must not be overloaded or changed. The default implementation stores the delegates for later callbacks.
Syntax
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As GenericServer Dim dlgAddItem As AddItem Dim dlgDeleteItem As DeleteItem Dim dlgShutDownRequest As ShutDownRequest Dim dlgSetItemValue As SetItemValue Dim dlgGetRefreshNeed As GetRefreshNeed Dim dlgSetServerState As SetServerState Dim dlgGetServerInfo As GetServerInfo Dim dlgGetItemInfo As GetItemInfo instance.DefineCallbacks(dlgAddItem, dlgDeleteItem, dlgShutDownRequest, dlgSetItemValue, dlgGetRefreshNeed, dlgSetServerState, dlgGetServerInfo, dlgGetItemInfo) | |
| C# | |
|---|---|
public void DefineCallbacks( AddItem dlgAddItem, DeleteItem dlgDeleteItem, ShutDownRequest dlgShutDownRequest, SetItemValue dlgSetItemValue, GetRefreshNeed dlgGetRefreshNeed, SetServerState dlgSetServerState, GetServerInfo dlgGetServerInfo, GetItemInfo dlgGetItemInfo ) | |
Parameters
- dlgAddItem
- Add an item to the server's address space
- dlgDeleteItem
- Remove an item from the server's address space. NOT supported in this version.
- dlgShutDownRequest
- Initiates the server shutdown.
- dlgSetItemValue
- Writes a new item value into the server's cache
- dlgGetRefreshNeed
- Returns an array of handles of the items that need be refreshed.
- dlgSetServerState
- Returns information about the current server state.
- dlgGetServerInfo
- Returns information about the current server usage.
- dlgGetItemInfo
- Returns information about an item.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2