private void BtnDeviceListDel_Click(object sender, EventArgs e)
{
DeviceItem d = (DeviceItem)listBox1.SelectedItem;
if (d == null) return;
if (MessageBox.Show("删除设备:\n" + d.name + " (" + d.mac + ")", "删除设备", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == System.Windows.Forms.DialogResult.OK)
{
int index = listBox1.SelectedIndex;
if (listBox1.Items.Count == 1) index = -1;
else if (index > 0) index--;
listBox1.Items.RemoveAt(listBox1.SelectedIndex);
listBox1.SelectedIndex = index;
}
}
private void ListBox1_DrawItem(object sender, DrawItemEventArgs e)
{
if (e.Index == -1)
return;
e.DrawBackground();
e.DrawFocusRectangle();
// prefixes are drawed bold
DeviceItem device = (DeviceItem)((ListBox)sender).Items[e.Index];
//draw the ICON
Rectangle rectangle = new Rectangle(e.Bounds.Location, new Size(DEVICE_LIST_ITEM_HEIGHT, DEVICE_LIST_ITEM_HEIGHT));
//e.Graphics.DrawImage(Properties.Resources.device_item_0, e.Bounds.Location);
e.Graphics.DrawImage(Properties.Resources.device_item_0, rectangle);
//draw the txt
Brush fontColor = new SolidBrush(Color.Black);
Font nameFont = new Font(e.Font.FontFamily, 12, FontStyle.Bold);
Rectangle newBounds = new Rectangle(e.Bounds.Location, e.Bounds.Size);
// draw the name string
e.Graphics.DrawString(device.name, nameFont, fontColor, newBounds.X + DEVICE_LIST_ITEM_HEIGHT, newBounds.Y + 5);
// calculate the new rectangle
// draw the mac string
e.Graphics.DrawString(device.mac, e.Font, fontColor, newBounds.X + DEVICE_LIST_ITEM_HEIGHT + 2, newBounds.Y + 26);
// draw the focus
e.DrawFocusRectangle();
}