public void AddToLbx(ListBox lbx, LbxMessageItem message)
{
ControlInvoke(lbx, new Action(() =>
{
//lbx.Items.Insert(0, message);
lbx.Items.Add(message);
lbx.SelectedIndex = lbx.Items.Count - 1;
}));
}
protected void ListBox_DrawItem(object sender, DrawItemEventArgs e)
{
int idx = e.Index;
if (idx != -1)
{
ListBox lbx = sender as ListBox;
Graphics g = e.Graphics;
LbxMessageItem lbxItem = lbx.Items[idx] as LbxMessageItem;
SolidBrush backgroundBrush = new SolidBrush(lbxItem.BackColor != null ? lbxItem.BackColor : e.BackColor);
SolidBrush foregroundBrush = new SolidBrush(lbxItem.ForeColor != null ? lbxItem.ForeColor : e.ForeColor);
Font textFont = lbxItem.Font != null ? lbxItem.Font : e.Font;
string text = lbxItem.Text != null ? lbxItem.Text : string.Empty;
RectangleF rectangle = new RectangleF(new PointF(e.Bounds.X, e.Bounds.Y), new SizeF(e.Bounds.Width, g.MeasureString(text, textFont).Height));
g.FillRectangle(backgroundBrush, rectangle);
g.DrawString(text, textFont, foregroundBrush, rectangle);
backgroundBrush.Dispose();
foregroundBrush.Dispose();
g.Dispose();
}
}
