最近项目中要实现买彩票功能，功能已实现
不足之处请大神指教，学习进步
球的自定义控件：
<pre name="code" class="csharp">public partial class Ball : UserControl
{
/// <summary>
/// 显示的数字
/// </summary>
private string _num;
[RefreshProperties(RefreshProperties.Repaint)]
[DefaultValue("")]
public string Num
{
get { return _num; }
set
{
this._num = value;
this.btnBall.Text = value;
}
}
/// <summary>
/// 球类型
/// </summary>
private int ballType = 1;
[Description("球类型 1 红球 2 蓝球")]
[RefreshProperties(RefreshProperties.Repaint)]
[DefaultValue("")]
public int BallType
{
get { return ballType; }
set { ballType = value; }
}
/// <summary>
/// 背景图片
/// </summary>
private Image background = Resources.lottery_no;
public Image Background
{
get { return background; }
set
{
this.btnBall.BackgroundImage = value;
background = value;
}
}
/// <summary>
/// 选中后的背景图片
/// </summary>
private Image selectedBackgroud;
public Image SelectedBackgroud
{
get { return selectedBackgroud; }
set
{
this.btnBall.BackgroundImage = value;
selectedBackgroud = value;
}
}
/// <summary>
/// 球的选中状态
/// </summary>
private bool _isSelected = false;
[Description("球是否选中")]
[RefreshProperties(RefreshProperties.Repaint)]
[DefaultValue("")]
public bool IsSelected
{
get { return _isSelected; }
set
{
_isSelected = value;
setBallView(value);
}
}
/**
* 字体颜色，默认为黑色
*/
private Color ballFontColor = Color.Black;
public Color BallFontColor
{
get { return ballFontColor; }
set
{
this.btnBall.ForeColor = value;
ballFontColor = value;
}
}
public delegate void stateUpdate(Ball obj);
/// <summary>
/// 状态更新事件
/// </summary>
public event stateUpdate stateChange;
public Ball()
{
InitializeComponent();
this.Load += new EventHandler(Ball_Load);
this.btnBall.Click += new EventHandler(btnBall_Click);
}
private void setBallView(bool isTrue)
{
if (isTrue)
{
if (BallType == 1)
{
SelectedBackgroud = Resources.lottery_red;
BallFontColor = Color.White;
}
else
{
SelectedBackgroud = Resources.lottery_blue;
BallFontColor = Color.White;
}
}
else
{
if (BallType == 1)
{
SelectedBackgroud = Resources.lottery_no;
BallFontColor = Color.Red;
}
else
{
SelectedBackgroud = Resources.lottery_no;
BallFontColor = Color.RoyalBlue;
}
}
}
/// <summary>
/// 点击球事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void btnBall_Click(object sender, EventArgs e)
{
if (!IsSelected)
{
if (BallType == 1)
{
SelectedBackgroud = Resources.lottery_red;
BallFontColor = Color.White;
}
else
{
SelectedBackgroud = Resources.lottery_blue;
BallFontColor = Color.White;
}
IsSelected = true;
}
else
{
if (BallType == 1)
{
SelectedBackgroud = Resources.lottery_no;
BallFontColor = Color.Red;
}
else
{
SelectedBackgroud = Resources.lottery_no;
BallFontColor = Color.RoyalBlue;
}
IsSelected = false;
}
this.stateChange(this);
}
void Ball_Load(object sender, EventArgs e)
{
if (BallType == 1)
{
BallFontColor = Color.Red;
}
else
{
BallFontColor = Color.RoyalBlue;
}
this.Background = Resources.lottery_no;
}
}2.填充球集合
/// <summary>
/// 常规红球集合
/// </summary>
private List<Ball> cRedBall = new List<Ball>();
foreach (Control item in pan_cg.Controls)
{
if (item is Ball)
{
if (item.Tag == null)
continue;
(item as Ball).stateChange += new Ball.stateUpdate(LotteryDoubleBallForm_stateChange);
switch (item.Tag.ToString())
{
case "1":
cRedBall.Add(item as Ball);
break;
case "2":
cBlueBall.Add(item as Ball);
break;
}
}
}3、选择球触发事件void LotteryDoubleBallForm_stateChange(Ball obj)
{
switch (obj.Tag.ToString())
{
case "1"://常规红球
if (obj.IsSelected)
{
if (!this.SelectedcRedBall.Contains(obj))
{
this.SelectedcRedBall.Add(obj);
}
}
else
{
if (this.SelectedcRedBall.Contains(obj))
{
this.SelectedcRedBall.Remove(obj);
}
}
break;
case "2":
if (obj.IsSelected)
{
if (!this.SelectedcBlueBall.Contains(obj))
{
this.SelectedcBlueBall.Add(obj);
}
}
else
{
if (this.SelectedcBlueBall.Contains(obj))
{
this.SelectedcBlueBall.Remove(obj);
}
}
break;
}
}4机选红球
private void RamcRed(int count)
{
for (int i = 0; i < count; i++)
{
bool bl = true;
int ranIndex = 0;
while (bl)
{
Random ran = new Random();
ranIndex = ran.Next(1, 33);
Ball ball = this.cRedBall[ranIndex];
if (!this.SelectedcRedBall.Contains(ball))
{
this.SelectedcRedBall.Add(ball);
ball.IsSelected = true;
bl = false;
}
else
{
bl = true;
}
}
}
}原文：http://blog.csdn.net/mrtraum/article/details/32702319