public static void AsyncCallbackImpl(IAsyncResult ar)
{
string path;
try
{
path = fh.EndInvoke(ar);
if (path == null)
{
Console.WriteLine("Callback() failed to download...");
return;
}
}
catch (Exception e)
{
Console.WriteLine("Callback() failed to download...");
return;
}
Console.WriteLine(path + "\t Done...");
SimplePhoto item = new SimplePhoto();
item.path = path;
mutex.WaitOne();
if (PicStore.currentPhotos.Count > Setting.iMaxPicNum)
{
PicStore.Remove(0);
}
PicStore.currentPhotos.Add(item);
PicStore.Save();
mutex.ReleaseMutex();
}
/*
* changeWallpaper: timed change wallpaper from photo list
*/
static void changeWallpaper()
{
while (true)
{
int oldPhotoIndex = PicStore.photoIndex; // last photo index
mutex.WaitOne(); // get mutex of PicStore.simplePhoto
if (PicStore.currentPhotos.Count <= 0) // no photo in lsit
{
mutex.ReleaseMutex();
Thread.Sleep(Setting.changeFrequent);
continue;
}
if (PicStore.currentPhotos.Count <= PicStore.photoIndex) // photoIndex is too large
{
PicStore.photoIndex = 0;
}
else
{
// get next photo index
PicStore.photoIndex = (PicStore.photoIndex + PicStore.currentPhotos.Count - 1) % PicStore.currentPhotos.Count;
}
// check if exist
while (PicStore.Touch(PicStore.photoIndex) == false)
{
// not exist, change to another
if (PicStore.currentPhotos.Count <= 0)
{
Thread.Sleep(Setting.changeFrequent);
continue;
}
if (PicStore.currentPhotos.Count <= PicStore.photoIndex)
{
PicStore.photoIndex = PicStore.currentPhotos.Count - 1;
}
}
// check if list is null
if (PicStore.currentPhotos.Count <= 0)
{
mutex.ReleaseMutex();
Thread.Sleep(Setting.changeFrequent);
continue;
}
// absolute path of image
String absPath = Environment.CurrentDirectory + @"\pic\" + PicStore.currentPhotos[PicStore.photoIndex].path;
mutex.ReleaseMutex(); // release mutex of PicStore.simplePhotos
// if index is same, no need change wallpaper
if (PicStore.photoIndex != oldPhotoIndex)
{
Console.WriteLine("ChangeWallpaper() change To " + absPath.Substring(absPath.LastIndexOf('\\') + 1));
SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, absPath, SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE);
}
// sleep interval time
Thread.Sleep(Setting.changeFrequent);
}
}
//[DllImport("user32.dll", EntryPoint = "ShowWindow", SetLastError = true)]
//private static extern bool ShowWindow(IntPtr hWnd, uint nCmdShow);
//[DllImport("user32.dll", EntryPoint = "FindWindow", SetLastError = true)]
//private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
//public static void WindowHide(string consoleTitle)
//{
// IntPtr a = FindWindow("ConsoleWindowClass", consoleTitle);
// if (a != IntPtr.Zero)
// ShowWindow(a, 0);//hide window
// else
// throw new Exception("can't hide console window");
//}
static void Main(string[] args)
{
//WindowHide(System.Console.Title);
Setting.Load();
PicStore.Load();
RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Control Panel\Desktop", true);
key.SetValue(@"WallpaperStyle", 10.ToString()); // fill style
new Thread(Download).Start();
new Thread(changeWallpaper).Start();
}
