PvGetCategoryList()

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PvGetCategoryList()

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Retrieves the list of categories of a settings on the engine specified by the current connection.

Header file: CONFIG.HRequires: W3DBAV75.DLL or higher version

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 size of buffer allocated to receive category list. Receives actual size of setting values.
Out	pCategoryList	List of category IDs returned.

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

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.

See Also

PvStart()
PvConnectServer()
PvGetCategoryInfo()
PvDisconnect()
PvStop()

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