private void _btnAddReceiver_Click(Object sender, EventArgs e)
{
var item = new EmailReceiverItem();
item.ReceiverName = "请填写";
item.ReceiverEmailAddress = "请填写";
this._listReceiverItems.AddEmailReceiverItem(item);
this._listReceiverItems.SelectedIndex = this._listReceiverItems.Items.Count - 1;
}
private void CustomDrawItem(Object sender, DrawItemEventArgs e)
{
if (e.Index == -1 || this.DesignMode)
{
return;
}
var obj = this.Items[e.Index];
EmailReceiverItem receiverInfo = obj as EmailReceiverItem;
if (receiverInfo == null)
{
return;
}
var g = e.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
var forceColor = e.ForeColor;
var backgroundColor = e.BackColor;
Int32 textBeginX = 5;
Int32 textBeginY = 3;
var backgroudRect = new Rectangle(e.Bounds.X - 1, e.Bounds.Y - 1, e.Bounds.Width + 1, e.Bounds.Height + 2);
var attachmentFlagRect = new Rectangle(5, 5, 20, 20);
if (this.MouseHoverItemIndex == e.Index)
{
backgroundColor = Color.FromArgb(190, 190, 190);
}
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
backgroundColor = Color.FromArgb(175, 175, 175);
}
Brush backBrush = new SolidBrush(backgroundColor);
g.FillRectangle(backBrush, backgroudRect);
var nameRect = new Rectangle(textBeginX, textBeginY, e.Bounds.Width - textBeginX, e.Bounds.Height);
//绘制接收人名称
TextRenderer.DrawText(g, receiverInfo.ReceiverName, e.Font, nameRect, e.ForeColor, TextFormatFlags.EndEllipsis);
//计算名称占用大小
var nameDrawSize = TextRenderer.MeasureText(receiverInfo.ReceiverName, e.Font);
textBeginX += nameDrawSize.Width;
//间隔
textBeginX += 20;
var addressRect = new Rectangle(textBeginX, textBeginY, e.Bounds.Width - textBeginX, e.Bounds.Height);
//绘制接收人邮件地址
TextRenderer.DrawText(g, receiverInfo.ReceiverEmailAddress, e.Font, addressRect, e.ForeColor, TextFormatFlags.EndEllipsis);
}
public void AddEmailReceiverItem(EmailReceiverItem info)
{
this.EmailReceiverItems.Add(info);
this.Items.Add(info);
this.Refresh();
}