摘要：
[DllImport("Kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)] public static extern bool CloseHandle(IntPtr handle); [DllImport("kernel32", EntryPoint = "GetLastError")] public static extern int GetLastError();CloseHandle（）释放两次就会抛异常，用GetLastError()来捕获，如果返回3，〖3 阅读全文
