public Dial()
{
InitializeComponent();
Background = null;
var children = Children.ToArray();
_elmGrid = new DialItem[3, 3];
for (int y = 0, i = 0; y < 3; y++)
{
for (var x = 0; x < 3; x++)
{
_elmGrid[x, y] = children[i++];
}
}
var seq = BaseChars;
for (int i = 0, c = 0; i < seq.Length; i += 4, c++)
{
children[c].SetChars(seq.Substring(i, 4));
}
FocusBlock(children[4]);
}
private void FocusBlock(DialItem elm)
{
if (_activeElement != null)
{
_activeElement.IsActive = false;
}
_activeElement = elm;
elm.IsActive = true;
}