PDFOffice_Windows_exe/PDF Office/ViewModels/EditTools/Background/BackgroundDocumentContentViewModel.cs

using ComPDFKitViewer.PdfViewer;
using PDF_Office.EventAggregators;
using PDF_Office.Model;
using PDF_Office.Model.EditTools.Background;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;

namespace PDF_Office.ViewModels.EditTools.Background
{
    public class BackgroundDocumentContentViewModel : BindableBase,INavigationAware
    {
        public IEventAggregator eventAggregator;
        public CPDFViewer PDFViewer;
        public BackgroundDocumentContentViewModel(IEventAggregator  eventAggregator)
        {
            this.eventAggregator = eventAggregator;
            eventAggregator.GetEvent<SetBackgroundEvent>().Subscribe(SetBackground);
        }

        public void SetBackground( BackgroundInfo backgroundInfo)
        {

        }

        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
        }

        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            navigationContext.Parameters.TryGetValue<CPDFViewer>(ParameterNames.PDFViewer, out PDFViewer);
        }
    }
}