C# use an operation as a parameter

I'm trying to make a function where I can give it an operation > < == != etc. I was wondering if it is possible to set one of these as a parameter to a function,

ie: UseOperator("test", >, 0)

If not what would be the best way to handle something like this? Maybe开发者_如何学编程 an enum?

The most natural approach would be to pass a delegate, IMO, e.g. of type Func<int, int, bool>. Unfortunately you can't convert an operator directly to a delegate - but you could write methods pretty simply and use method group conversions:

public void UseOperator(string name, Func<int, int, bool> op, int value)
{
    ...
}

public static bool GreaterThan(int x, int y, value)
{
    return x > y;
}

UseOperator("test", GreaterThan, 0);

Marc Gravell's work on generic operators in MiscUtil may be useful to you.

This is not possible but you could use function delegates:

UseOperator("test", (x, y) => x > y, 0);

How about parsing the operator as a string value?

UseOperator("Test", ">", 0)

private void UseOperator(string str1, string operator, int intVlue)
{
   switch(operator)
   {
       case ">":
        //.....
   }
}