IRegistryKey.ValueExists

Syntax

ValueExists(ValueName: String): Boolean;

Parameters

ValueName - name of parameter, which presence must be checked.

Description

The SubKeyExists method checks presence of parameter in the registry subkey.

Example

Sub Main;

Var

RegKey, SubKey: IRegistryKey;

Begin

RegKey := RegistryClass.CurrentUser;

SubKey := RegKey.OpenSubKey("Software\MyProject\Params", True);

If SubKey.ValueExists("Param1") Then

SubKey.DeleteValue("Param1")

End If;

End Sub Main;

After executing the example the Param1 parameter is searched in the registry subkey HKEY_CURRENT_USER\Software\MyProject\Params. If the parameter exists, it is deleted.