标签：pre base rgs ack rap nta 定义 sha 对象
重写OnDrawItem事件
public class ColorCodedCheckedListBox : CheckedListBox{
protected override void OnDrawItem(DrawItemEventArgs e)
{
base.OnDrawItem(e);
}
}
自定义时，需要重新声明DrawItemEventArgs对象，然后调用base.OndrawItem方法。
DrawItemEventArgs e2 = new DrawItemEventArgs(e.Graphics, e.Font, new Rectangle(e.Bounds.Location, e.Bounds.Size),
e.Index, (e.State & DrawItemState.Focus) == DrawItemState.Focus ? DrawItemState.Focus : DrawItemState.None, Color.Orange, this.BackColor);
如果想根据Item内容绘制不同样式的Item时，只需要在该事件中访问e.Index即可。
protected override void OnDrawItem(DrawItemEventArgs e) { if(e.Index%2==0) { DrawItemEventArgs e2 = new DrawItemEventArgs(e.Graphics, e.Font,
new Rectangle(e.Bounds.Location, e.Bounds.Size),
e.Index, (e.State & DrawItemState.Focus) == DrawItemState.Focus ? DrawItemState.Focus : DrawItemState.None, Color.Orange, this.BackColor); base.OnDrawItem(e2); } else base.OnDrawItem(e); }
标签：pre base rgs ack rap nta 定义 sha 对象
原文地址：https://www.cnblogs.com/lucika/p/9316119.html
