How to call a method in FORM class from another class which is already inherited by another class(all these are under same namespace)

hi Suthish nair,
class FORM1 : Form
{
public void enable()
{
//1st method which i want to call from another class
}
public void display()
{
//2nd method which i want to call from another class
}
}
class buffer : signal
{
protected override Analyse()
{
//from here i want to call two functions in form class
}
}
now i told u every thing right please reply me......