PDFOffice_Windows_exe/PDF Office/ViewModels/EditTools/Watermark/WatermarkDocumentContentViewModel.cs

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

namespace PDF_Office.ViewModels.EditTools.Watermark
{
    public class WatermarkDocumentContentViewModel : BindableBase
    {

        public IEventAggregator eventAggregator;
        public CPDFViewer PDFViewer;
        public WatermarkDocumentContentViewModel(IEventAggregator eventAggregator)
        {
            this.eventAggregator = eventAggregator;
            eventAggregator.GetEvent<SetWatermarkEvent>().Subscribe(SetWatermark);
        }

        public void SetWatermark(WatermarkInfo watermarkInfo)
        {

        }

        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);
        }
    }
}