void TabHost_TabItemClosing(object sender, TabItemCancelEventArgs e)
{
if (e.TabItem.Content is IDisposable)
{
((IDisposable)e.TabItem.Content).Dispose();
}
}
/// <summary>
/// Called by a child TabItem that wants to remove itself by clicking on the close button
/// </summary>
/// <param name="item"></param>
public void RemoveItem(TabItem item)
{
// gives an opertunity to cancel the removal of the tabitem
TabItemCancelEventArgs c = new TabItemCancelEventArgs(item);
if (TabItemClosing != null)
TabItemClosing(item, c);
if (c.Cancel == true)
return;
var closable = Items.Cast<TabItem>().Count(t => t.AllowDelete);
if (item.AllowDelete) closable--;
// If there are no closable tabs left, move to home tab
if (closable == 0)
SelectedIndex = 0;
this.Items.Remove(item);
if (TabItemClosed != null)
TabItemClosed(this, new TabItemEventArgs(item));
}
