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    TFPGMap.Add

    Add a key and value to the map.

    Declaration

    Source position: fgl.pp line 350

    public 
function Add(const AKey: TKey; const AData: TData) : Integer;

function Add(const AKey: TKey) : Integer;

    Description

    Add adds a new key AKey of generic type TKey with data value AData to the list and returns the position at which the key was added.

    Errors

    If the item could not be added, an EListError exception is raised. If Duplicates is set to dupError and a duplicate key is added, an EListError exception is raised.

    See also

    Name Description
    TFPGMap.Keys Indexed access to the keys in the list.
    TFPGMap.IndexOf Find index of a key in the list.
    TFPGMap.KeyData Access to data based on key.
    TFPGMap.Data Indexed access to the data in the list.
    TFPSMap.Duplicates What to do with duplicate key values.