Function First Available In Library: w3dbav75.dll (Windows), libpsqldti.so (Linux), libpsqldti.dylib (macOS) (See also Link Libraries)
Syntax
BTI_SINT PvGetCategoryList(
BTI_LONG hConnection,
BTI_ULONG_PTR pnumCategories,
BTI_ULONG_PTR pCategoriesList);
Arguments
In
hConnection
Connection handle that identifies the server. Connection handles are obtained with the PvConnectServer() function.
In/Out
pnumCategories
Address of an unsigned long containing the number of categories that can be returned in pCategoriesList. You can also call PvGetCategoryListCount() to retrieve this value.
Out
pCategoriesList
Array containing the category IDs.
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.
P_E_BUFFER_TOO_SMALL
Array size is too small. The required size is returned in pnumCategories.
Remarks
The following precondition 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.