IRegistryKey.ReadVariantDef

Syntax

ReadVariantDef(ValueName: String; DefaultValue: Variant): Variant;

Parameters

ValueName - name of the parameter, which value must be obtained.

DefaultValue - value that is used if parameter does not exist.

Description

The ReadVariantDef method reads the value in the Variant format from string parameter in the registry. If the parameter with the ValueName name does not exist, the method returns DefaultValue.

Example

Sub Main;

Var

RegKey, SubKey: IRegistryKey;

v: Variant;

Begin

RegKey := RegistryClass.CurrentUser;

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

s := SubKey.ReadVariantDef("Param1", "Parameter does not exist");

End Sub Main;

After executing the example the value is read into the "v" variable from the parameter with the Param1 name located in the registry subkey HKEY_CURRENT_USER\Software\MyProject\Params. If the parameter does not exist, the "v" variable contains text "Parameter does not exist".