/// <summary>
/// Fill list box with fileds of the current datasource.
/// </summary>
/// <param name="listBox">ListBox control to fill.</param>
/// <param name="context">Type descriptor context.</param>
/// <param name="value">Current value.</param>
protected override void FillListBox(ListBox listBox, ITypeDescriptorContext context, object value)
{
var selectedField = (string)value;
if (selectedField == null)
{
selectedField = string.Empty;
}
var dataSourceDescriptor = TypeDescriptor.GetProperties(context.Instance)["DataSource"];
if (dataSourceDescriptor == null)
{
return;
}
var dataSource = dataSourceDescriptor.GetValue(context.Instance);
if (dataSource != null)
{
var currencyManager = new BindingContext()[dataSource] as CurrencyManager;
if (currencyManager != null)
{
foreach (PropertyDescriptor descriptor in currencyManager.GetItemProperties())
{
int lastIndex = listBox.Items.Add(descriptor.Name);
if (string.Compare(descriptor.Name, selectedField) == 0)
{
listBox.SelectedIndex = lastIndex;
}
}
}
}
}
