c# - Temporarily change a variable's value -

In an API implementation I am currently hacking, before doing some work, some variables need to be temporarily replaced, and they are done after the change which they were previously.

The current code looks like this:

  var _oldValue = _variable; _variable = tempValue; Try {doIt (); } Finally {_variable = oldValue; }   
 By doing this, it is very annoying, unattractive, difficult to maintain, and leaves the actual algorithm under very disorganization, which only implements artifacts.  
 In C ++, I will create a square that stores an old value during construction, and restores it to its destroyer:  
  {temp_value Tmp (variable_, temp_val); do it(); }   
 While trying to do something like that in C # because apparently  
 So to remove that clutter, what must I do in C #?  
 PS: Feel free to fit any other tags. I failed to come up with any   
 
 
 Why not create a method that does for you, And then pass Lambda?    Private Zero Seaglobels Ando A few (action dot) {var _oldValue = _ varariable; _variable = tempValue; Try {doit (); } Finally {_variable = _oldValue; }}   
 and to use it:  
  SaveGlobal endosmaging ((=) => {DOSomething ();});   
 Edit in response to the comment:  
 that  doit  sometimes assumes a problem is not there in the law  DoSomething  are not passing we have  {DoSomething (); }  For the method, you can easily write:  
  int returnValue; Segloglobles and dosing (() => {returnValue = DoSomething ();});