public void Execute(object parameter) { RuleEditorInfo ruleEditorInfo = new RuleEditorInfo { DocumentGuid = ruleManagerViewModel.DocumentGuid, RegexRule = RegexRule.Duplicate(ruleManagerViewModel.DocumentGuid, ruleManagerViewModel.SelectedRegexRule, false), RuleEditorType = RuleEditorType.DuplicateExistingRule }; new RuleEditorView(ruleEditorInfo).ShowDialog(); }