public override void DataBind()
{
base.DataBind();
RightListBox.DataTextField = this.DataTextField;
RightListBox.DataValueField = this.DataValueField;
RightListBox.DataBind();
BaseItems.Clear();
for (int index = 0; index < RightListBox.Items.Count; index++)
{
this.Items.Remove(this.Items.FindByValue(RightListBox.Items[index].Value));
if (!BaseItems.ContainsKey(RightListBox.Items[index].Value.Trim()))
{
BaseItems.Add(RightListBox.Items[index].Value.Trim(), RightListBox.Items[index].Text.Trim());
}
}
}
// Reload list items from the data source.
private void LoadItemsFromSource()
{
// Tell the control not to bother redrawing until we're done
// adding new items - avoids flicker and speeds things up.
BeginUpdate();
try
{
// We're about to rebuild the list, so get rid of the current
// items.
//Items.Clear();
BaseItems.Clear();
// m_bindingList won't be set if the data source doesn't
// implement IBindingList, so always ask the CurrencyManager
// for the IList. (IList is all we need to retrieve the rows.)
IList items = m_currencyManager.List;
// Add items to list.
int nItems = items.Count;
for (int i = 0; i < nItems; ++i)
{
//Items.Add(BuildItemForRow(items[i]));
//BaseItems.Add(BuildItemForRow(items[i]));
BuildItemForRow(items[i]);
}
int index = m_currencyManager.Position;
if (index != -1)
{
SetSelectedIndex(index);
}
}
finally
{
// In finally block just in case the data source does something
// nasty to us - it feels like it might be bad to leave the
// control in a state where we called BeginUpdate without a
// corresponding EndUpdate.
EndUpdate();
}
}
public void ResetItems(bool clear)
{
ComboBox control = BaseValueControl as ComboBox;
if (control == null)
{
return;
}
if (clear)
{
BaseItems.Clear();
}
List <object> cbItems = new List <object>();
foreach (var item in Items)
{
cbItems.Add(string.Format("{0}", item));
}
Form.SetComboBoxItems(control, Items.IndexOf(Value), cbItems.ToArray());
}
public void Clear()
{
BaseItems.Clear();
}
