/// <summary>
/// For internal use only.
/// </summary>
protected internal void ChangeItemSelectState(ListItemTester item, bool selected)
{
if (Disabled)
{
throw new ControlDisabledException(this);
}
string name = Attribute("name");
if (!Multiple)
{
Form.Variables.RemoveAll(name);
}
if (selected)
{
Form.Variables.Add(name, item.Value);
}
else
{
WebAssert.True(Multiple, "Can't deselect items unless list box is multi-select");
Form.Variables.Remove(name, item.Value);
}
Form.OptionalPostBack(Tag.OptionalAttribute("onchange"));
}
/// <summary>
/// For internal use only.
/// </summary>
protected internal void ChangeItemSelectState(ListItemTester item, bool selected)
{
if (Disabled) throw new ControlDisabledException(this);
string name = Attribute("name");
if (!Multiple) Form.Variables.RemoveAll(name);
if (selected)
{
Form.Variables.Add(name, item.Value);
}
else
{
WebAssert.True(Multiple, "Can't deselect items unless list box is multi-select");
Form.Variables.Remove(name, item.Value);
}
Form.OptionalPostBack(Tag.OptionalAttribute("onchange"));
}
/// <summary>
/// Determines whether the collection contains the specified item.
/// </summary>
/// <param name="item">A System.Web.UI.WebControls.ListItem to search for in the collection.</param>
/// <returns>true if the collection contains the specified item; otherwise, false.</returns>
public bool Contains(ListItemTester item)
{
return InnerList.Contains(item);
}
/// <summary>
/// Determines whether the collection contains the specified item.
/// </summary>
/// <param name="item">A System.Web.UI.WebControls.ListItem to search for in the collection.</param>
/// <returns>true if the collection contains the specified item; otherwise, false.</returns>
public bool Contains(ListItemTester item)
{
return(InnerList.Contains(item));
}