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Transcript
Chapter 8 – Operation
UINT32*
AssignAppHandleList
Lists the handles for each variable provided by the Data-Sharing API
application. When a variable value is updated, it uses the variable handle
defined here.
CONNECTHANDLE* RetAdapterHandleList
Lists the handles for each variable returned by the Data-Sharing API.
The corresponding variable handle is used when the Data-Sharing API
application makes a read or write request to the shared variable.
Return
: bool
Comments
: Uses the Data-Sharing API to make connections to the defined list of
variables in the server target machine. A connection handle is returned
for each variable that successfully connects. Otherwise, an invalid handle
(-1) is returned. The caller is responsible for allocating and releasing the
buffer for the connection handle list.
Name
: DisconnectFromVars
bool
DisconnectFromVars
(
UINT16 NumOfHandles,
CONNECTHANDLE* AppHandleList
)
Parameters
: UINT16
NumOfHandles
Defines the number of connection handles to remove
CONNECTHANDLE* AdapterHandleList
The handle list returned when ConnectToVars is used to establish
variable connections.
8–12
Return
: bool
Comments
: Removes all the variable connections in this list of handles.
Data-Sharing API User Manual