DataTree.KeyExists

Defines, whether the key exists.

Declaration

[C++]
    bool KeyExists(char* Key);

[Pascal]
    function KeyExists(Key : string): Boolean;

[VB6]
    not applicable;

[ActiveX]
    not applicable;

[C#]
    public bool KeyExists(string Key);

[VB.NET]
    Public Function KeyExists(ByVal Key As String) As Boolean

[Java]
    public boolean KeyExists(String Key);

[Java ME]
    public boolean KeyExists(String Key);

[Palm]
    bool KeyExists(char* Key);

[DLL]
    not applicable;

Parameters

• Key - key name. For more information look here.

Return value

    True if specified key exists.
    False if specified key does not exist.

Description

    Use this method to define, whether the specified key exists. The KeyExists method doesn't create a non-existent key. To create a key use OpenKey method