private static bool OnViewModelClosed(IViewModel viewModel, object parameter, NavigationProvider provider, bool completeCallback)
{
if (provider.CachePolicy != null)
{
provider.CachePolicy.Invalidate(viewModel, parameter as IDataContext);
}
var closeableViewModel = viewModel as ICloseableViewModel;
if (closeableViewModel != null)
{
var wrapper = closeableViewModel.CloseCommand as CloseCommandWrapper;
if (wrapper != null)
{
closeableViewModel.CloseCommand = wrapper.NestedCommand;
}
closeableViewModel.Closed -= provider._closeViewModelHandler;
}
if (completeCallback && provider.CurrentViewModel != viewModel)
{
provider.CompleteOperationCallback(viewModel, parameter as IDataContext ?? DataContext.Empty);
return(true);
}
return(false);
}
private static bool OnViewModelClosed(IViewModel viewModel, object parameter, NavigationProvider provider, bool completeCallback)
{
if (provider.CachePolicy != null)
provider.CachePolicy.Invalidate(viewModel, parameter as IDataContext);
var closeableViewModel = viewModel as ICloseableViewModel;
if (closeableViewModel != null)
{
var wrapper = closeableViewModel.CloseCommand as CloseCommandWrapper;
if (wrapper != null)
closeableViewModel.CloseCommand = wrapper.NestedCommand;
closeableViewModel.Closed -= provider._closeViewModelHandler;
}
if (completeCallback && provider.CurrentViewModel != viewModel)
{
provider.CompleteOperationCallback(viewModel, parameter as IDataContext ?? DataContext.Empty);
return true;
}
return false;
}