void ISupportInitialize.EndInit()
{
if (_initializingData == null)
{
throw new InvalidOperationException();
}
int selectedIndex = SelectedIndex;
object selectedItem = SelectedItem;
if (_initializingData.InitialIndex != selectedIndex)
{
SelectedIndex = _initializingData.InitialIndex;
_initializingData = null;
SelectedIndex = selectedIndex;
}
else if (!ReferenceEquals(_initializingData.InitialItem, selectedItem))
{
SelectedItem = _initializingData.InitialItem;
_initializingData = null;
SelectedItem = selectedItem;
}
_initializingData = null;
}
void ISupportInitialize.BeginInit()
{
_initializingData = new InitializingData
{
InitialItem = SelectedItem,
InitialIndex = SelectedIndex
};
}