LOCK IMAGE IN WORD CODE

Here we're checking the number of selected items in the PhotosForLockscreen LongListMultiSelector object and setting the visibility of the Application Bar accordingly. We'll merely add a simple if else statement like so:

LOCK IMAGE IN WORD CODE

That will open the file again and allow us to add code to the PhotosForLockscreen_SelectionChanged event handler. SelectionChanged='PhotosForLockscreen_SelectionChanged' >ДЄnd select Navigate to Event Handler from the context menu. When the list of SELECTED items changes, we want to evaluate the number of items selected and show or hide the Application Bar accordingly.ДЇirst, we need to add a Name attribute to the LongListMultiSelector so we can reference it programmatically in C#: When I first created the LongListSelector (prior to it becoming the LongListMultiSelector), I added a SelectionChanged event handler.

Write display logic in the SelectionChanged event handler of the LongListMultiSelector Now that we've created the Application Bar, we need to write the display logic to show it only when one or more Flickr images are selected. this will be the text under our checkmark icon.ДЇinally, we'll need to trigger our BuildLocalizedApplicationBar() method in the constructor like so: I add an AppBarSet entry and set it to the word 'Set'. Since we're creating a LOCALIZED ApplicationBar, and using AppResources in line 72 to set the button's text, we'll need to modify the AppResources.resx file located in the Resources folder of our project. We'll write display logic - when one or more Flickr images are selected in our LongListMultiSelector, we'll make the ApplicationBar visible. Notice in line 63 that we set the IsVisible to false initially. Then we'll add the button to the ApplicationBar (line 75).

On that button, we'll set the text (line 72) and wire up an event handler (line 73). In this code we simply create a new ApplicationBar() object (line 62) and create a single ApplicationBarIconButton (line 67) with a checkmark icon. We've done this several times already so I won't explain it in depth. You can't become a serious developer without consulting MSDN several times a day. However, if I ever skip something or if I don't explain it to your satisfaction, Microsoft's documentation is always the definitive source you should be referencing. In some cases, I'll dive deeper to explain an individual class or method. For the most part, I'll provide an overview of several lines of code at a time.

We'll add a new LockScreenHelpers.cs class and add functionality to: (a ) clean out any images that were already in local storage, (b ) save the new list of images into local storage, and (c ) select a random image and make it the phone's lock screen image.

We'll handle the click event for the new Set App Bar button, getting a list of selected Flickr images.

When at least one item is selected from our LongListMultiSelector, we'll show our app bar, otherwise we'll hide it.

Add an App Bar to the SearchResults.xaml page.

Then in the next lesson, we'll randomly select from that list of serialized FlickrImages once every 30 minutes, which is ultimately our goal. In this first pass, we'll randomly select one of those FlickrImage instances as the lock screen image once. When the user selects one or more Flickr images in the LongListMultiSelector, we'll take the FlickrImage data and serialize it to disk using JSON. Our app is coming together nicely, but there's one last feature we want to implement.

Lock image in word