protected internal virtual bool OnItemCheckedChanging(RadCheckedListDataItemCancelEventArgs args)
{
if (this.ItemCheckedChanging != null)
{
this.ItemCheckedChanging((object)this, args);
}
return(args.Cancel);
}
public void SetCheckState(bool value, bool silent)
{
if (this.setCheckState || !this.checkedElement.ShowCheckAllItems || this.isChecked == value)
{
return;
}
this.setCheckState = true;
if (this.CheckAllItemCheckedChanging != null)
{
RadCheckedListDataItemCancelEventArgs e = new RadCheckedListDataItemCancelEventArgs((RadCheckedListDataItem)this);
this.CheckAllItemCheckedChanging((object)this.ownerElement, e);
if (e.Cancel)
{
this.setCheckState = false;
return;
}
}
if (this.OnNotifyPropertyChanging("Checked"))
{
this.setCheckState = false;
}
else
{
this.isChecked = value;
int num = (int)this.SetValue(RadCheckedListDataItem.CheckedProperty, (object)value);
this.OnNotifyPropertyChanged("Checked");
this.OnSelectedItemChanged(EventArgs.Empty);
if (silent)
{
this.setCheckState = false;
if (this.CheckAllItemCheckedChanged == null)
{
return;
}
this.CheckAllItemCheckedChanged((object)this.ownerElement, new RadCheckedListDataItemEventArgs((RadCheckedListDataItem)this));
}
else
{
this.checkedElement.BeginUpdate();
this.checkedElement.AutoCompleteEditableAreaElement.AutoCompleteTextBox.ListElement.SuspendSelectionEvents = true;
this.checkedElement.ListElement.DataLayer.ListSource.BeginUpdate();
foreach (RadCheckedListDataItem checkedListDataItem in (RadListDataItemCollection)this.checkedElement.Items)
{
checkedListDataItem.Checked = value;
}
this.checkedElement.ListElement.DataLayer.ListSource.EndUpdate();
this.checkedElement.EndUpdate();
this.checkedElement.SyncEditorElementWithSelectedItem();
this.checkedElement.AutoCompleteEditableAreaElement.AutoCompleteTextBox.ListElement.SuspendSelectionEvents = false;
this.setCheckState = false;
if (this.CheckAllItemCheckedChanged == null)
{
return;
}
this.CheckAllItemCheckedChanged((object)this.ownerElement, new RadCheckedListDataItemEventArgs((RadCheckedListDataItem)this));
}
}
}