rohits79

public class SomeViewModel : INotifyPropertyChanged, INotifyDataErrorInfo
{
  errorsContainer = new ErrorsContainer<string>(x => ErrorsChanged?.Invoke(this, new DataErrorsChangedEventArgs(x)));
  
  public IEnumerable GetErrors(string propertyName)
  {
    return errorsContainer.GetErrors(propertyName);
  }

rohits79

public class SomeViewModel : BindableBase
{
  errorsContainer = new ErrorsContainer<string>(x => ErrorsChanged?.Invoke(this, new DataErrorsChangedEventArgs(x)));
  
  public IEnumerable GetErrors(string propertyName)
  {
    return errorsContainer.GetErrors(propertyName);
  }

rohits79

public class SampleViewModel: BindableBase, INavigationAware
{
  ...
   
  private IRegionNavigationJournal journal;
  public void OnNavigatedTo(NavigationContext navigationContext)
  {
    journal = navigationContext.NavigationService.Journal
  }
  

rohits79

-- Sending Navigation Parameters
var parameters = new NavigationParameters();
parameters.Add("SomeParamater", "SomeParameterValue");
regionManager.RequestNavigate("Navigation", "viewName", parameters);

-- Receiving Navigation Parameters
public class SampleViewModel: BindableBase, INavigationAware
{
  ...
   

rohits79

public class SampleViewModel: BindableBase, INavigationAware
{
  ...
   
  public const string Name = "SampleView";
  public bool IsNavigationTarget(NavigationContext navigationContext)
  {
   return navigationContext.Uri.OriginalString.Equals(Name)? true : false
  }
  ...

rohits79

    public interface INavigationAware
    {
        /// <summary>
        /// Called when the implementer has been navigated to.
        /// </summary>
        /// <param name="navigationContext">The navigation context.</param>
        void OnNavigatedTo(NavigationContext navigationContext);

        /// <summary>
        /// Called to determine if this instance can handle the navigation request.

rohits79

-- Register
unityContainer.RegisterType<object, SomeView>("viewName");
unityContainer.RegisterType<object, SomeOtherView>("someOtherViewName");

-- Usage
regionManager.RequestNavigate("Navigation", "viewName");

regionManager.RequestNavigate("Navigation", "someOtherViewName");

rohits79

        public object LoadContent(IRegion region, NavigationContext navigationContext)
        {
            if (region == null)
                throw new ArgumentNullException(nameof(region));

            if (navigationContext == null)
                throw new ArgumentNullException(nameof(navigationContext));

            string candidateTargetContract = this.GetContractFromNavigationContext(navigationContext);

rohits79

--xaml
<ItemsControl prism:RegionManager.RegionName="Navigation"/>

regionManager.Region[“Navigation”].Add(SomeView);
regionManager.Region[“Navigation”].Add(SomeView);
regionManager.Region[“Navigation”].Add(SomeView);


unityContainer.RegisterType<object, SomeView>("viewName");
regionManager.RequestNavigate(“Navigation”, “viewName”);

rohits79

--xaml
<ItemControl prism:RegionManager.RegionName="Navigation">

regionManager.Region[“Navigation”].Add(SomeView);

unityContainer.RegisterType<object, SomeView>("viewName");
regionManager.RequestNavigate(“Navigation”, “viewName”);