msfs-popout-panel-manager/MainApp/ViewModel/SwitchWindowViewModel.cs

using System;
using System.Linq;
using MSFSPopoutPanelManager.DomainModel.Profile;
using MSFSPopoutPanelManager.Orchestration;
using MSFSPopoutPanelManager.WindowsAgent;
using Prism.Commands;

namespace MSFSPopoutPanelManager.MainApp.ViewModel
{
    public class SwitchWindowViewModel : BaseViewModel
    {
        public DelegateCommand<string> ButtonCommand { get; private set; }

        public Guid PanelId { get; set; }

        public PanelConfig PanelConfig => ActiveProfile.PanelConfigs.FirstOrDefault(p => p.Id == PanelId);


        public SwitchWindowViewModel(SharedStorage sharedStorage) : base(sharedStorage)
        {
            ButtonCommand = new DelegateCommand<string>(OnButtonActivated);
        }

        private void OnButtonActivated(string commandParameter)
        {
            var handle = PInvoke.GetWindowHandle(commandParameter);

            if(handle != IntPtr.Zero) 
                PInvoke.SwitchToThisWindow(handle, true);
        }
    }
}