c# - array[1] does not show up as null -

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I am having trouble getting the value of the input array [1] to come in the form of zero value for my statement.

Here's a look at the code:

  Fixed zero GetInput () {string input = Console.ReadLine (); String [] inputArchive = input Split (new four [] {'}}, string split option. RemoveEmptyEntries;); Switch (input too [0]) {case "exit": system.console. Video line (input [0]); Console.WriteLine ("Exiting ..."); break; Case "Help": System.Sc. The white line (input [0]); help(); GetInput (); break; Case "Openwall": if (input is [1]! = Null); {System.Console.WriteLine (InputArray [0] + "+++InputArere [1]); FileExt = InputArere [1]; Open Files (); GetInput ();} Breakdown;}}   
 Now I have tried in many ways if (input array [1]! = Tap); but nothing seems to work, so I know that in my knowledge of programming there is something that I just remember Is coming.  
 I am getting this error: the index was out of range of array.  
 All help is appreciated!   
 
 
 Before you check, you need to test the length of the array  
  if (inputArray [1]! = Null)   
 To do something like  
 P> 
  if (inputArray.Length & gt; 1 & amp; input array [1]! = Null)    
  
 As the comments,  
  if (inputArray.Length> 1)   
 As more accurate code for  inputArray [1] will be tested! = Zero  will never be true.