public FlatList()
{
Items = new FlatListItemList(this);
SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
}
internal void UpdateScrollbars()
{
if (_DrawSuspended)
{
return;
}
FlatListItemList flil = InItemList();
AutoScrollMinSize = new Size(1, flil.Count * GetItemSize().Height);
}
protected override void OnPaint(PaintEventArgs e)
{
if (Parent is FlatArrowContainer)
{
// we only have to draw the background manually here if we're in a FlatArrowContainer
e.Graphics.Clear(BackColor);
}
FlatListItemList flil = Items;
if (!DesignMode)
{
FlatListItem fliInItem = InItem();
if (fliInItem != null)
{
flil = fliInItem.SubItems;
if (!InItemLabel.Visible)
{
InItemLabel.Visible = true;
InItemLabel.BackColor = _BorderColor;
InItemLabel.ForeColor = ForeColor;
InItemLabel.Height = _ItemHeight;
InItemLabel.Left = this.Left;
InItemLabel.Top = this.Top;
this.Top = InItemLabel.Top + InItemLabel.Height;
this.Height -= InItemLabel.Height;
}
InItemLabel.Text = " < " + fliInItem.Text;
}
else
{
if (InItemLabel.Visible)
{
InItemLabel.Visible = false;
this.Top = InItemLabel.Top;
this.Height += InItemLabel.Height;
}
}
}
e.Graphics.TranslateTransform(AutoScrollPosition.X, AutoScrollPosition.Y);
for (int i = 0; i < flil.Count; i++)
{
DrawItem(i, flil[i], e);
}
base.OnPaint(e);
}
public void PushInItemStack(int iItem)
{
if (iItem < 0)
{
throw new IndexOutOfRangeException();
}
FlatListItemList flil = InItemList();
if (iItem >= flil.Count)
{
throw new IndexOutOfRangeException();
}
InItemStack.Add(iItem);
Invalidate();
UpdateScrollbars();
SelectedIndices = new int[] { };
}