PvGetSettingListCount()
Retrieves number of settings belonging to the specified category. This number can then be used to allocate an array to pass to
PvGetSettingList().
Header File: config.h (See also
Header Files)
Function First Available In Library: w3dbav78.dll (Windows), libpsqldti.so (Linux), libpsqldti.dylib (macOS) (See also
Link Libraries)
Syntax
BTI_SINT PvGetSettingListCount(
BTI_LONG hConnection,
BTI_ULONG categoryID,
BTI_ULONG_PTR pNumSettings);
Arguments
In | hConnection | Connection handle that identifies the server. Connection handles are obtained with the
PvConnectServer() function. |
In | categoryID | Unique identifier for the category. |
Out | pNumSettings | Address of an unsigned long containing size of the array on input, and receives number of items in the returned list. |
Return Values
P_OK | The operation was successful. |
P_E_INVALID_HANDLE | Invalid connection handle. |
P_E_NULL_PTR | Call with NULL pointer. |
P_E_FAIL | Failed for other reasons. |
Remarks
If the connection is a remote connection, only server-side settings for the category are returned. If the connection is a local connection, both client-side and server-side settings for this category will be returned.
Use
PvIsSettingAvailable() to determine if the setting can be set at this time.
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.
See Also