protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
TextFormatFlags flags = TextFormatFlags.Left | TextFormatFlags.VerticalCenter;
#region 绘制 检查栏文字
if (this._searchText != string.Empty)
{
// 按""检索：
if (this._isSearchData)
{
const string L_TEXT = "按\"";
const string R_TEXT = "\"检索";
Size l_size = Size.Ceiling(TextRenderer.MeasureText(L_TEXT, this.Font));
Size text_size = Size.Ceiling(TextRenderer.MeasureText(this._searchText, this.Font));
Size r_size = Size.Ceiling(TextRenderer.MeasureText(R_TEXT, this.Font));
TextRenderer.DrawText(
g, L_TEXT, this.Font, this.SearchTextBound, Color.FromArgb(132, 132, 132), flags);
Rectangle rect = this.SearchTextBound;
rect.X += l_size.Width;
rect.Width -= l_size.Width;
TextRenderer.DrawText(g, this._searchText, this.Font, rect, Color.Red, flags);
rect.X += text_size.Width;
rect.Width = r_size.Width;
TextRenderer.DrawText(g, R_TEXT, this.Font, rect, Color.FromArgb(132, 132, 132), flags);
}
else
{
const string NOTIFY_TEXT = "无法匹配：";
Size size = Size.Ceiling(TextRenderer.MeasureText(NOTIFY_TEXT, this.Font));
TextRenderer.DrawText(
g,
NOTIFY_TEXT,
this.Font,
this.SearchTextBound,
Color.FromArgb(132, 132, 132),
flags);
Rectangle rect = this.SearchTextBound;
rect.X += (size.Width - 10);
rect.Width -= size.Width;
TextRenderer.DrawText(g, this._searchText, this.Font, rect, Color.Red, flags);
}
}
// 检索栏下边虚线
using (Pen pen = new Pen(Color.FromArgb(132, 132, 132)))
{
pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
g.DrawLine(pen,
this.SearchTextBound.Left,
this.SearchTextBound.Bottom - 1,
this.SearchTextBound.Right,
this.SearchTextBound.Bottom - 1);
}
#endregion
#region 绘制检索结果
if (this.Items.Count > 0)
{
Font itemFont = new Font("黑体", 10.0f);
for (int i = 0; i < this.Items.Count; i++)
{
ChooseListItem item = this.Items[i];
if (item.MouseState == EMouseState.MouseMove)
{
using (Brush brush = new SolidBrush(Color.FromArgb(200, 227, 252)))
{
g.FillRectangle(brush, item.Bounds);
}
using (Pen pen = new Pen(Color.FromArgb(104, 167, 246)))
{
g.DrawLine(
pen,
item.Bounds.X,
item.Bounds.Y,
item.Bounds.Right - 1,
item.Bounds.Y);
g.DrawLine(
pen,
item.Bounds.X,
item.Bounds.Bottom - 1,
item.Bounds.Right - 1,
item.Bounds.Bottom - 1);
}
}
TextRenderer.DrawText(
g,
this.Items[i].Text,
itemFont,
item.Bounds,
Color.FromArgb(0, 85, 170),
flags);
}
}
#endregion
}
public int IndexOf(ChooseListItem value)
{
return(this._list.IndexOf(value));
}
public void Remove(ChooseListItem item)
{
this._list.Remove(item);
}
public void Insert(int index, ChooseListItem item)
{
this._list.Insert(index, item);
}
public bool Contains(ChooseListItem item)
{
return(this._list.Contains(item));
}
public int Add(ChooseListItem item)
{
return(this._list.Add(item));
}
