private void Button_IsCheckedChanged(object sender, Telerik.XamarinForms.Primitives.CheckBox.IsCheckedChangedEventArgs e)
{
if (e.NewValue == true)
{
foreach (var q in _survey.SurveyAnswers)
{
if (q._checks != null)
{
foreach (var chk in q._checks)
{
if (chk == sender)
{
foreach (var unchk in q._checks)
{
if (unchk != sender)
{
unchk.IsChecked = false;
}
}
}
}
}
}
}
}
private void GroupHeaderCheckbox_OnIsCheckedChanged(object sender, Telerik.XamarinForms.Primitives.CheckBox.IsCheckedChangedEventArgs e)
{
if (sender is RadCheckBox cb && cb.BindingContext is GroupHeaderContext context)
{
foreach (var item in context.Group.ChildItems)
{
if (e.NewValue == true)
{
context.Grid.SelectItem(item);
}
else
{
context.Grid.DeselectItem(item);
}
}
}
}