/// <summary>
/// Initialize permissions for the Windows 8/10 lock screen directory and return its path
/// </summary>
/// <returns>Windows 8/10 lock screen directory path</returns>
private static string Win10_InitDir()
{
string lockscreenDir = Environment.GetFolderPath(Environment.SpecialFolder.Windows) + @"\Web\Screen";
FileSystemAdmin.GrantAll(lockscreenDir, true);
return(lockscreenDir);
}
/// <summary>
/// Clear the Windows 8/10 lock screen cache to force lock screen refresh
/// </summary>
private static void Win10_ClearCache()
{
string systemDataDir = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData) + @"\Microsoft\Windows\SystemData";
FileSystemAdmin.GrantAll(systemDataDir, true);
foreach (string cacheDir in Directory.EnumerateDirectories(systemDataDir, "LockScreen_*", SearchOption.AllDirectories))
{
foreach (string cacheFile in Directory.EnumerateFiles(cacheDir, "*.jpg", SearchOption.AllDirectories))
{
File.Delete(cacheFile);
}
}
}
/// <summary>
/// Initialize permissions for the Windows 7 lock screen directory and return its path
/// </summary>
/// <returns>Windows 7 lock screen directory path</returns>
private static string Win7_InitDir()
{
string systemDir = Environment.GetFolderPath(Environment.SpecialFolder.Windows) + (Environment.Is64BitOperatingSystem ? @"\Sysnative\oobe\" : @"\System32\oobe\");
string lockscreenDir = systemDir + @"info\backgrounds";
if (!Directory.Exists(lockscreenDir))
{
FileSystemAdmin.GrantAll(systemDir, false);
Directory.CreateDirectory(lockscreenDir);
}
FileSystemAdmin.GrantAll(lockscreenDir, true);
return(lockscreenDir);
}