c# - Initializing a List into a static method -

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i have 6 operators trying push operator class. need initialise list of new operators can used effectively. i've got myself in quite mess , having fair few syntax problems, appreciated in creating list. 

public static list<comparisonoperator> createcomparisonoperators()           {         this.condition1select.items.clear();         this.condition2select.items.clear();         this.condition3select.items.clear();         this.condition4select.items.clear();           foreach (comparisonoperator op in ops)         {             this.condition1select.items.add(op);             this.condition2select.items.add(op);             this.condition3select.items.add(op);             this.condition4select.items.add(op);         }           return new list<comparisonoperator>();     }

the thisstatement means refer current instance. static methods don't have instance , can't use thisstatement. need make liststatic, too. comparisonoperator enumeration opsneeds static.


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