public void SearchBtnClicked()

in Tools/Apps/Microsoft.PowerApps.Tools.AppChangeFinder/ChangeFinderViewModel.cs [295:390]
87 lines of code
14 McCabe index (conditional complexity)

        public void SearchBtnClicked(object obj)
        {
            string searchTxt = SearchTextBox;
            if (!string.IsNullOrEmpty(searchTxt))
            {
                Task.Factory.StartNew(() =>
                {
                    this.IsLoading = true;
                    ObservableCollection<DataModel> searchedScreenList = new ObservableCollection<DataModel>();
                    //Traverse through the object
                    foreach (DataModel dm in OrginalScreenList)
                    {
                        var foundScreen = new DataModel
                        {
                            ScreenName = dm.ScreenName,
                            Controls = new List<Controls>()
                        };
                        //Start searching with root node -  screen name
                        if (dm.ScreenName.IndexOf(searchTxt, StringComparison.OrdinalIgnoreCase) >= 0)
                        {
                            searchedScreenList.Add(dm);
                            break;
                        }
                        //Searching in child node
                        foreach (Controls control in dm.Controls)
                        {
                            var foundControl = new Controls
                            {
                                ControlName = control.ControlName
                            };
                            if (control.ControlName.IndexOf(searchTxt, StringComparison.OrdinalIgnoreCase) >= 0)
                            {
                                foundScreen.Controls = new List<Controls> { foundControl };
                                searchedScreenList.Add(foundScreen);
                                break;
                            }
                            foreach (Property prop in control.Properties)
                            {
                                var foundProp = new Property
                                {
                                    Properties = prop.Properties,
                                    PropertyName = prop.PropertyName
                                };

                                if (!string.IsNullOrEmpty(prop.PropertyName) && prop.PropertyName.IndexOf(searchTxt, StringComparison.OrdinalIgnoreCase) >= 0)
                                {
                                    foundControl.Properties = new List<Property> { foundProp };
                                    foundScreen.Controls = new List<Controls> {foundControl};
                                    searchedScreenList.Add(foundScreen);
                                    break;
                                }
                                foreach (PropertyDetails propDetails in prop.Properties)
                                {
                                    var foundPropDetails = new PropertyDetails
                                    {
                                        Name = propDetails.Name,
                                        Value = propDetails.Value
                                    };

                                    if (!string.IsNullOrEmpty(propDetails.Name) && propDetails.Name.IndexOf(searchTxt, StringComparison.OrdinalIgnoreCase) >= 0)
                                    {
                                        foundProp.Properties = new List<PropertyDetails> {foundPropDetails};
                                        foundControl.Properties = new List<Property> { foundProp };
                                        foundScreen.Controls = new List<Controls> { foundControl };
                                        searchedScreenList.Add(foundScreen);
                                        break;
                                    }

                                    if (!string.IsNullOrEmpty(propDetails.Value) && propDetails.Value.IndexOf(searchTxt, StringComparison.OrdinalIgnoreCase) >= 0)
                                    {
                                        foundProp.Properties = new List<PropertyDetails> { foundPropDetails };
                                        foundControl.Properties = new List<Property> { foundProp };
                                        foundScreen.Controls = new List<Controls> { foundControl };
                                        searchedScreenList.Add(foundScreen);
                                        break;
                                    }
                                }
                            }
                        }
                    }

                    System.Windows.Application.Current.Dispatcher.Invoke(() =>
                    {
                        ////Set property or change UI compomponents.
                        this.IsLoading = false;
                        ScreenList = searchedScreenList;
                    });
                });
            }
            else
            {
                ScreenList = OrginalScreenList;
            }

            this.IsLoading = false;
        }