private object CreateDataRow(object item)
{
var dataRow = new ListBoxDataRow();
InvokeRenderItem(dataRow, item);
return(dataRow);
}
private void InvokeRenderItem(ListBoxDataRow dataRow, object item)
{
var value = item.GetProperty(ValueProperty);
var display = item.GetProperty(DisplayProperty);
var itemUpdateArgs = new RenderItemRoutedEventArgs(OnRenderItemEvent)
{
Item = item,
Value = value,
Display = display
};
RaiseEvent(itemUpdateArgs);
dataRow.Item = item;
dataRow.Value = itemUpdateArgs.Value;
dataRow.Display = itemUpdateArgs.Display;
}
private void UpdateCheckDataRows()
{
UpdateDataRows(() =>
{
var editValue = EditValue;
if (MultiSelect)
{
var checkedValues = ObjectAsCollection(editValue);
foreach (ListBoxDataRow dataRow in _dataRows)
{
var dataRowChecked = (checkedValues != null) && checkedValues.Contains(dataRow.Value);
dataRow.Checked = dataRowChecked;
}
}
else
{
ListBoxDataRow selectedDataRow = null;
foreach (ListBoxDataRow dataRow in _dataRows)
{
var dataRowChecked = Equals(dataRow.Value, editValue);
if (dataRowChecked)
{
selectedDataRow = dataRow;
}
dataRow.Checked = dataRowChecked;
}
SelectDataRow(selectedDataRow);
}
}, true);
}
