一键搜索之Win10锁屏壁纸

1             //获取显示器屏幕尺寸,用来判断全屏大小的壁纸
2             double height = SystemParameters.PrimaryScreenHeight;
3             double width = SystemParameters.PrimaryScreenWidth;

//最终的壁纸目录
            string targetPath;

            //获取当前用户文件夹
            string userPath = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);

            if (Directory.Exists(userPath + @"\AppData\Local\Packages\"))
            {
                foreach (var itemF in Directory.GetDirectories(userPath + @"\AppData\Local\Packages\"))
                {
                    //由于这级目录后缀会更换,所以用固定前缀来寻找目录
                    if (itemF.IndexOf("Microsoft.Windows.ContentDeliveryManager") > 0)
                    {
                        targetPath = itemF + @"\LocalState\Assets";
                    }
                }
            }

 1  foreach (var itemW in Directory.GetFiles(targetPath))
 2                         {
 3                             try
 4                             {
 5                                 BitmapImage image = new BitmapImage(new Uri(itemW));
 6 
 7                                 //这里不用用Height和Width属性判断,因为不能保证每张图片都是96dpi
 8                                 if (image.PixelHeight == height && image.PixelWidth == width)
 9                                 {
10                                     File.Copy(itemW, filePath + string.Format(@"\{0}.jpg", ++i), true);
11                                 }
12                             }
13                             catch (NotSupportedException ex)
14                             {
15                                 //如果不是图片文件,则继续处理
16                                 continue;
17                             }
18                             catch (Exception ex)
19                             {
20 
21                             }
22                         }