PvSetSelectionValue()

PvSetSelectionValue()

Save new value for a selection type setting, to the data target specified by whichData.

Header File: config.h (See also Header Files)

Function First Available In Library: w3dbav75.dll (Windows), libpsqldti.so (Linux), libpsqldti.dylib (OS X) (See also Link Libraries)

BTI_SINT PvSetSelectionValue(

BTI_LONG hConnection,

BTI_ULONG settingID,

BTI_ULONG numItems,

BTI_LONG_PTR pNewValue,

BTI_SINT whichData);


In	hConnection	Connection handle that identifies the server. Connection handles are obtained with the PvConnectServer() function.
In	settingID	Unique identifier for the setting. A list of settings can be obtained from PvGetSettingList().
In	numItems	Number of individual selection items to be set.
In	pNewValue	Array of individual selection items to be set.
In	whichData	Flag to indicate which value is to be set: PVDATA_CURRENT sets current value. PVDATA_PERSISTENT sets persistent value


P_OK	The operation was successful.
P_E_INVALID_HANDLE	Invalid connection handle.
P_E_NULL_PTR	Call with NULL pointer.
P_E_INVALID_DATA_TYPE	The setting is not of selection type.
P_E_INVALID_SELECTION	At least one selection item is invalid.
P_E_FAIL	Failed for other reasons.

This function is used to work with both single-selection and multi-selection data types. If more than one selection items are set for a single-selection item, the first value is used.

The following preconditions must be met:

•

Connection established by PvConnectServer() or if you are performing the operation on a local machine, P_LOCAL_DB_CONNECTION may be used as the connection handle.

•

You must logon with administrator-level rights with PvConnectServer () before you can set a new value for a Selection type setting.

Note: This function cannot be called by a user logged-in with the "restricted" user type.

PvStart()
PvConnectServer()
PvGetCategoryList()
PvGetSettingList()
PvGetSelectionValue()
PvGetSelectionString()
PvGetAllPossibleSelections()
PvCountSelectionItems()
PvIsSettingAvailable()
PvDisconnect()
PvStop()