How to delete the Enum value at runtime

//if i need to delete the enum value at run time then what i need to do?

//Example has 3 values
//Enum::value1
//Enum::value2
//Enum::value3
//Answer: you need to overview the enter event of control from design and write the following //line.

combobox:enter()
{
super();
this.delete(enum2str(Enum::value2));
}