LampInspectionMachine/ViewModels/MenuViewModel.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Prism.Mvvm;
using System.Threading.Tasks;
using Prism.Commands;
using Prism.Events;
using Prism.Ioc;
using Prism.Regions;
using System.Windows.Controls;

namespace LampInspectionMachine.ViewModels
{
    public  class MenuViewModel:BindableBase 
    {
        private IContainerProvider _container;
        private IEventAggregator _eventAggregator;
        private IRegionManager _regionManager;


        private DelegateCommand<string> _OpenCameraViewCommand;
        public DelegateCommand<string> OpenCameraViewCommand =>
            _OpenCameraViewCommand ?? ( _OpenCameraViewCommand = new DelegateCommand<string>(CameraViewShow) );


        private DelegateCommand <string> _OpenVisionProViewCommand;
        public DelegateCommand<string> OpenVisionProViewCommand =>
            _OpenVisionProViewCommand ?? ( _OpenVisionProViewCommand = new DelegateCommand<string>(VisionProViewShow) );


  



        public MenuViewModel(IContainerProvider container, IRegionManager regionManager, IEventAggregator eventAggregator) 
        {
            _container = container;
            _eventAggregator = eventAggregator;
            _regionManager = regionManager;
        }





        void CameraViewShow(string index)
        {

            NavigationParameters paras = new NavigationParameters();
            paras.Add("Index", Convert.ToInt32(index)); //键值对
            _regionManager.Regions[ "MenuRegionContent" ].RequestNavigate("CameraView", paras);
        }
        void VisionProViewShow(string index)
        {
            NavigationParameters paras = new NavigationParameters();
            paras.Add("Index", Convert.ToInt32(index)); //键值对
            _regionManager.Regions[ "MenuRegionContent" ].RequestNavigate("VisionProView", paras);
        }
       

     
    }
}