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- Enabling and disabling a filter
- Number of possible active filters
- Operating mode in OLE DB
<Source>.ActivateFilter (Function) In french: <Source>.ActiveFiltre
 Not available with this kind of connection
Enables the filter that was previously created for the specified data file (view or query). This filter was created by <Source>.Filter and disabled by <Source>.DeactivateFilter. <Source>.ActivateFilter has no effect if no filter was declared. This function can be used with the data files, HFSQL views or queries.
// Declare the filter: select customers
// between 20 and 60 years old
Customer.Filter(Age_Customer, 20, 60)
...
Customer.DeactivateFilter() // Disabled filter
...
// Browse the data file with a filter on age
// Process the customers who are between 20 and 60 years old
// (ProcessCustomer2060 procedure)
Customer.ActivateFilter()
Customer.ReadFirst(Age_Customer)
WHILE Customer.Found() = True
ProcessCustomer2060()
Customer.ReadNext(Age_Customer)
END
Syntax
<Result> = <Source>.ActivateFilter()
<Result>: Boolean - True if the filter is enabled,
- False if an error occurred (file or item not found).
<Source>: Type corresponding to the specified source Name of data file, HFSQL view or query used. Remarks Enabling and disabling a filter Number of possible active filters A single filter can be enabled at a time for a specific data file.
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