michael_x:
You can modify OLDvalues1[3] even if it's out of the range of the array, however this will modify a different variable, which is allocated at the place in memory just after OLDValues1[2].
The joys of C# (wouldn't let you do that). 
michael_x:
You can modify OLDvalues1[3] even if it's out of the range of the array, however this will modify a different variable, which is allocated at the place in memory just after OLDValues1[2].
The joys of C# (wouldn't let you do that).