class and arrays

[Cambalinho]

i have a button class with SetText() and GetText() and MouseClick(lambda variable) members.
see these line:

button a[2];
a[0].SetText("hello 1");
a[1].SetText("hello 2");

now how can i change\update the MouseClick for be like these:

a.MouseClick=[](int index)
{
     Messagebox(NULL, a[index].GetText().c_str(), "button caption", MB_OK)
};

[shadowmouse]

a[0].MouseClick=[](int index)
{
     Messagebox(NULL, a[index].GetText().c_str(), "button caption", MB_OK)
};
a[1].MouseClick=[](int index)
{
     Messagebox(NULL, a[index].GetText().c_str(), "button caption", MB_OK)
};

?

[Cambalinho]

sorry no. imagine that the MouseClick() on all 'a', have the same value, but uses a 'a' caption.
like the calculator uses the number of caption button