PvSetLongValue()

PvSetLongValue()

Save new value for a long integer 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 PvSetLongValue(

BTI_LONG hConnection,

BTI_ULONG settingID,

BTI_LONG newValue,

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	newValue	Integer value to be set. Before calling this function, check to see that the value is within the limits for the particular setting by using the PvGetValueLimit() function.
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_INVALID_DATA_TYPE	The setting is not of long type.
P_E_OUT_OF_RANGE	The value specified to be set is out of range.
P_E_FAIL	Failed for other reasons.

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 Long type setting.

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

PvStart()
PvConnectServer()
PvGetCategoryList()
PvGetSettingList()
PvGetLongValue()
PvGetValueLimit()
PvIsSettingAvailable()
PvDisconnect()
PvStop()