public static async Task <byte[]> LoadIconFromPathAsync(string filePath, uint thumbnailSize, ThumbnailMode thumbnailMode)
{
if (!filePath.EndsWith(".lnk") && !filePath.EndsWith(".url"))
{
var item = await StorageItemHelpers.ToStorageItem <IStorageItem>(filePath);
if (item != null)
{
var iconData = await LoadIconFromStorageItemAsync(item, thumbnailSize, thumbnailMode);
if (iconData != null)
{
return(iconData);
}
}
}
return(await LoadIconWithoutOverlayAsync(filePath, thumbnailSize));
}
public static async void SetAsBackground(WallpaperType type, string filePath, IShellPage associatedInstance)
{
if (UserProfilePersonalizationSettings.IsSupported())
{
// Get the path of the selected file
StorageFile sourceFile = await StorageItemHelpers.ToStorageItem <StorageFile>(filePath, associatedInstance);
if (sourceFile == null)
{
return;
}
// Get the app's local folder to use as the destination folder.
StorageFolder localFolder = ApplicationData.Current.LocalFolder;
// the file to the destination folder.
// Generate unique name if the file already exists.
// If the file you are trying to set as the wallpaper has the same name as the current wallpaper,
// the system will ignore the request and no-op the operation
StorageFile file = await FilesystemTasks.Wrap(() => sourceFile.CopyAsync(localFolder, sourceFile.Name, NameCollisionOption.GenerateUniqueName).AsTask());
if (file == null)
{
return;
}
UserProfilePersonalizationSettings profileSettings = UserProfilePersonalizationSettings.Current;
if (type == WallpaperType.Desktop)
{
// Set the desktop background
await profileSettings.TrySetWallpaperImageAsync(file);
}
else if (type == WallpaperType.LockScreen)
{
// Set the lockscreen background
await profileSettings.TrySetLockScreenImageAsync(file);
}
}
}