PvGetSelectionValue()

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

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/Out	pNumItems	Address of an unsigned long that specifies the array size on input, and receives the number of individual selection items on return.
Out	pValue	Array of individual selection indexes.
In	whichData	Flag to indicate which value is requested: PVDATA_DEFAULT returns default value. PVDATA_CURRENT returns current 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 requested setting is not of string type.
P_E_BUFFER_TOO_SMALL	The array size is too small. In this case, the required size is returned in pNumItems.
P_E_FAIL	Failed for other reasons.

•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.