private void EnsureItemIsFullyVisible(ItemType itemType, int itemIndex)
{
PointInt32 location = this.StackIndexToViewPoint(itemType, itemIndex);
RectInt32 num2 = new RectInt32(location, new SizeInt32(this.ViewWidth, this.itemHeight));
int num3 = num2.Bottom - base.ClientSize.Height;
int top = num2.Top;
this.ScrollOffset = Int32Util.ClampSafe(this.ScrollOffset, num3, top);
}
protected override void OnLayout(LayoutEventArgs levent)
{
if (base.Parent != null)
{
base.Parent.SuspendLayout();
if (levent.AffectedProperty == "Font")
{
this.cachedMaxWidthOfComboBoxItems = null;
}
Size clientSize = base.ClientSize;
int num = UIUtil.ScaleHeight(4);
this.header.SetBounds(0, 0, clientSize.Width, this.header.GetPreferredSize(new Size(clientSize.Width, 0)).Height);
this.comboBox.Location = new Point(0, this.header.Bottom + num);
int num3 = Int32Util.ClampSafe(Math.Max(this.GetMaxWidthOfComboBoxItems(), 1) + UIUtil.ScaleWidth(30), 1, clientSize.Width);
this.comboBox.Width = num3;
this.comboBox.PerformLayout();
this.descriptionText.Location = new Point(0, this.comboBox.Bottom + (string.IsNullOrEmpty(this.descriptionText.Text) ? 0 : num));
this.descriptionText.Width = clientSize.Width;
this.descriptionText.Height = string.IsNullOrEmpty(this.descriptionText.Text) ? 0 : this.descriptionText.GetPreferredSize(new Size(clientSize.Width, 1)).Height;
base.ClientSize = new Size(clientSize.Width, this.descriptionText.Bottom);
base.OnLayout(levent);
base.Parent.ResumeLayout(false);
}
}