[转帖]CSharp 下判断文件是否被锁。 Joe

 1 public static bool IsFileLocked(string file)
{
    try
    {
        using (File.Open(file, FileMode.Open, FileAccess.Write, FileShare.None))
        {
            return false;
        }
    }
    catch (IOException exception)
    {
        var errorCode = Marshal.GetHRForException(exception) & 65535;
        return errorCode == 32 || errorCode == 33;
    }
    catch (Exception)
    {
        return false;
    }
}