/// <inheritdoc/>
protected override void OnChecked()
{
var parent = LogicalTreeHelper.GetParent(this);
if (parent != null)
{
var children = LogicalTreeHelper.GetChildrenCount(parent);
for (int i = 0; i < children; i++)
{
var sibling = LogicalTreeHelper.GetChild(parent, i);
if (sibling == this)
{
continue;
}
var radioButton = sibling as RadioButton;
if (radioButton == null)
{
continue;
}
radioButton.IsChecked = false;
}
}
base.OnChecked();
}