VixenApplication.Setup.SetupControllersSimple.UpdateForm C# (CSharp) Метод

        void UpdateForm()
        {
            int selectedControllerCount = controllerTree.SelectedControllers.Count();
            buttonConfigureController.Enabled = selectedControllerCount == 1;
            buttonNumberChannelsController.Enabled = selectedControllerCount == 1;
            buttonRenameController.Enabled = selectedControllerCount == 1;

            buttonDeleteController.Enabled = selectedControllerCount >= 1;

            int runningCount = 0;
            int notRunningCount = 0;
            int pausedCount = 0;
            int notPausedCount = 0;
            foreach (IControllerDevice controller in controllerTree.SelectedControllers) {
                if (controller.IsRunning) {
                    runningCount++;
                } else {
                    notRunningCount++;
                }
                if (controller.IsPaused) {
                    pausedCount++;
                } else {
                    notPausedCount++;
                }
            }
            buttonStartController.Enabled = notRunningCount > 0;
            buttonStopController.Enabled = runningCount > 0;

            buttonAddController.Enabled = comboBoxNewControllerType.SelectedIndex >= 0;

            buttonSelectSourceElements.Enabled = controllerTree.SelectedTreeNodes.Count > 0;

            if (selectedControllerCount <= 0)
            {
                labelControllerType.Text = "";
                labelOutputCount.Text = "";
            } else if (selectedControllerCount == 1) {
                labelControllerType.Text = ApplicationServices.GetModuleDescriptor(controllerTree.SelectedControllers.First().ModuleId).TypeName;
                labelOutputCount.Text = controllerTree.SelectedControllers.First().OutputCount.ToString();
            } else {
                labelControllerType.Text = selectedControllerCount + " controllers selected";
                int count = 0;
                foreach (IControllerDevice controller in controllerTree.SelectedControllers) {
                    count += controller.OutputCount;
                }
                labelOutputCount.Text = count.ToString();
            }
        }