Assembly: mscorlib (in mscorlib.dll)
The DangerousAddRef method prevents the common language runtime from reclaiming memory used by a handle (which occurs when the runtime calls the ReleaseHandle method). You can use this method to manually increment the reference count on a SafeHandle instance. DangerousAddRef returns a Boolean value using a ref parameter (success) that indicates whether the reference count was incremented successfully. This allows your program logic to back out in case of failure. You should set success to false before calling DangerousAddRef. If success is true, avoid resource leaks by matching the call to DangerousAddRef with a corresponding call to DangerousRelease.
This method is intended for advanced users and must always be used carefully. To avoid leaking handle resources, always call this method inside a constrained execution region (CER), where a thread abort cannot interrupt processing.
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter EditionThe Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.