Creating an array of controls

I'm trying to create an array of controls, but I'm not getting the syntax right. To create one control i use this code:

new GUIBitmapButtonCtrl(bnUnit)
{
property = value;
}

To create an indexed control I've tried this, but it won't compile:

new GUIBitmapButtonCtrl(bnUnit[0])
{
property = value;
}

Anyone know how to do this?

thanks