private void CreateListBox(string listFilter)
{
if (listBox != null)
{
listBox = null;
return;
}
if (!listBoxOpened)
{
listBox = new ListBox();
listBox.Font = Font;
listBox.uwfContext = true;
listBox.Width = Width;
listBox.ItemHeight = ItemHeight;
listBox.Height = listBox.ItemHeight * (Items.Count > MaxDropDownItems ? MaxDropDownItems : Items.Count);
listBox.uwfWrapText = false;
listBox.uwfShadowBox = true;
listBox.uwfBorderColor = listBox.uwfBorderSelectColor;
if (listBox.Height < listBox.ItemHeight)
{
listBox.Height = listBox.ItemHeight;
}
bool selectedIndexChanged = false;
for (int i = 0; i < Items.Count; i++)
{
var item = Items[i];
if (DropDownStyle == ComboBoxStyle.DropDownList || String.IsNullOrEmpty(listFilter))
{
listBox.Items.Add(item);
}
else
{
var itemString = item.ToString();
if (!itemString.ToLower().Contains(listFilter.ToLower()))
{
continue;
}
listBox.Items.Add(item);
if (itemString != listFilter)
{
continue;
}
listBox.SelectedIndex = i;
selectedIndexChanged = true;
}
}
for (int i = 0; i < Items.Count; i++)
{
if (Items.IsDisabled(i))
{
listBox.Items.Disable(i);
}
}
if (selectedIndexChanged == false)
{
listBox.SelectedIndex = SelectedIndex;
listBox.EnsureVisible();
}
var gpoint = PointToScreen(Point.Empty);
listBox.Location = new Point(gpoint.X, gpoint.Y + Height);
listBox.MouseUp += ListBoxOnMouseUp;
listBox.KeyDown += ListBoxOnKeyDown;
listBox.Disposed += ListBoxOnDisposed;
OnDropDown(EventArgs.Empty);
}
else
{
listBoxOpened = false;
}
}
