Contributor: SWAG SUPPORT TEAM function RegGetStr( sKey, sItem, sDefVal : string ) : string; var reg : TRegIniFile; begin reg := TRegIniFile.Create( sKey ); Result := reg.ReadString( '', sItem, sDefVal ); reg.Free; end; procedure RegSetStr( sKey, sItem, sVal : string ); var reg : TRegIniFile; begin reg := TRegIniFile.Create( sKey ); reg.WriteString( '', sItem, sVal + #0 ); reg.Free; end; // now, you can call above helper functions like you wanted: // {ATextBox.Text :=3D RegGetStr( 'Software\MyCompanyName\MyProductName', 'variable1', 'default value goes here' ); RegSetStr( 'Software\MyCompanyName\MyProductName', 'variable1', ATextBox.Text );}