private void UpdateRadioButtonGroup()
{
string groupName = GroupName;
if (!string.IsNullOrEmpty(groupName))
{
Visual rootScope = KeyboardNavigation.GetVisualRoot(this);
if (_groupNameToElements == null)
{
_groupNameToElements = new Hashtable(1);
}
lock (_groupNameToElements)
{
// Get all elements bound to this key and remove this element
ArrayList elements = (ArrayList)_groupNameToElements[groupName];
for (int i = 0; i < elements.Count;)
{
WeakReference weakReference = (WeakReference)elements[i];
RadioButton rb = weakReference.Target as RadioButton;
if (rb == null)
{
// Remove dead instances
elements.RemoveAt(i);
}
else
{
// Uncheck all checked RadioButtons different from the current one
if (rb != this && (rb.IsChecked == true) && rootScope == KeyboardNavigation.GetVisualRoot(rb))
{
rb.UncheckRadioButton();
}
i++;
}
}
}
}
else // Logical parent should be the group
{
DependencyObject parent = this.Parent;
if (parent != null)
{
// Traverse logical children
IEnumerable children = LogicalTreeHelper.GetChildren(parent);
IEnumerator itor = children.GetEnumerator();
while (itor.MoveNext())
{
RadioButton rb = itor.Current as RadioButton;
if (rb != null && rb != this && string.IsNullOrEmpty(rb.GroupName) && (rb.IsChecked == true))
{
rb.UncheckRadioButton();
}
}
}
}
}
// Token: 0x060054A4 RID: 21668 RVA: 0x00176F84 File Offset: 0x00175184
private void UpdateRadioButtonGroup()
{
string groupName = this.GroupName;
if (!string.IsNullOrEmpty(groupName))
{
Visual visualRoot = KeyboardNavigation.GetVisualRoot(this);
if (RadioButton._groupNameToElements == null)
{
RadioButton._groupNameToElements = new Hashtable(1);
}
Hashtable groupNameToElements = RadioButton._groupNameToElements;
lock (groupNameToElements)
{
ArrayList arrayList = (ArrayList)RadioButton._groupNameToElements[groupName];
int i = 0;
while (i < arrayList.Count)
{
WeakReference weakReference = (WeakReference)arrayList[i];
RadioButton radioButton = weakReference.Target as RadioButton;
if (radioButton == null)
{
arrayList.RemoveAt(i);
}
else
{
if (radioButton != this && radioButton.IsChecked == true && visualRoot == KeyboardNavigation.GetVisualRoot(radioButton))
{
radioButton.UncheckRadioButton();
}
i++;
}
}
return;
}
}
DependencyObject parent = base.Parent;
if (parent != null)
{
IEnumerable children = LogicalTreeHelper.GetChildren(parent);
foreach (object obj in children)
{
RadioButton radioButton2 = obj as RadioButton;
if (radioButton2 != null && radioButton2 != this && string.IsNullOrEmpty(radioButton2.GroupName) && radioButton2.IsChecked == true)
{
radioButton2.UncheckRadioButton();
}
}
}
}
