C# winForm自定义弹出页面

namespace ColorHelper
{
/// <summary>
/// 自定义色彩控件
/// </summary>
public partial class ColorSelector : UserControl
{

//接收传递的参数，文本框和键值对的数据。
public Control textBox = new Control();
public Dictionary<string, string> dict = new Dictionary<string, string>();

public Dictionary<string, string> Dict
{
get { return dict; }
set
{
dict = value;
}
}

//构造函数
public ColorSelector()
{
InitializeComponent();
}

//选中的Text值
private string selectText;

public string SelectedText
{
get { return selectText; }
set
{
selectText = value;
}
}

//选中的Key值
private string selectKey;

public string SelectedKey
{
get { return selectKey; }
set
{
selectKey = value;
}
}

/// <summary>
/// 生成Button
/// </summary>
public void LoadButton()
{
//情况panel中原来的所有控件
flowLayoutPanel1.Controls.Clear();

//根据传递的dict键值对生成Button，并设置button的大小，Text，Tag值，和绑定鼠标点击事件。
foreach (KeyValuePair<string, string> temp in dict)
{
Button button1 = new Button();
button1.Text = temp.Value;
button1.Tag = temp.Key;
button1.Font = new Font("宋体", 22);
button1.AutoSize = true;
button1.Width = 120;
button1.MouseClick += new MouseEventHandler(button_MouseClick);
flowLayoutPanel1.Controls.Add(button1);
}
}

/// <summary>
/// 绑定到button上的事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button_MouseClick(object sender, MouseEventArgs e)
{
//声明1个button，获得到button上的Text和Tag上的值，分别是value和key。
Button cb = (Button)sender;
selectText = cb.Text;
selectKey = cb.Tag.ToString();
//将value和key分别给textBox的Text和Tag。
textBox.Text = selectText;
textBox.Tag = selectKey;
//重绘textBox
textBox.Invalidate();
textBox.Enabled = true;
//隐藏控件，并将控件所在的Form关闭
this.Visible = false;
this.FindForm().Close();
}

}

}

namespace colorTest
{
public partial class Form1 : Form
{
//接收textBox和dict数据
public TextBox textBox;
public Dictionary<string, string> dict;

//有参构造函数，接收Form1传递的值
public Form1(TextBox textBox, Dictionary<string, string> dict)
{
InitializeComponent();
this.textBox = textBox;
this.dict = dict;
}

//加载时将textBox和Dict给自定义控件，并生成button按钮，最后显示button框
private void Form1_Load(object sender, EventArgs e)
{
//设置重画控件
colorSelector1.textBox = textBox;

//返回到自定义用户控件上
colorSelector1.Dict = dict;
colorSelector1.LoadButton();
//设置弹失事件
colorSelector1.Visible = true;
}

}
}

namespace colorTest
{
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}

private void textBox2_MouseClick(object sender, MouseEventArgs e)
{
//先去查询数据,获得到返回值为实体数组,转成Dictionary<string,string>
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("1", "汽油");
dict.Add("2", "柴油");
dict.Add("3", "煤油");
dict.Add("4", "4油");
Form1 form = new Form1(this.textBox2, dict);
form.Size = new Size(10, 10);
//MessageBox.Show(textBox2.Location.X + " " + textBox2.Height + " " + textBox2.Location.Y + " " + textBox2.Width + " ");
//form.Location = new Point(textBox2.Location.X + this.Location.X, this.Location.Y + textBox2.Location.Y – textBox2.Height);
//MessageBox.Show(textBox2.Location.X + " " + textBox2.Height+" "+ textBox2.Location.Y+" " +textBox2.Width+ " " );
//form.Location = new Point(textBox2.Location.X – textBox2.Height, textBox2.Location.Y – textBox2.Width);
//MessageBox.Show(this.Location.X + " " + this.Location.Y );
//每行显示5个button按钮
if (dict.Count >= 5)
{
//并且设置5个时，form的size，直接为626，这个是屡次测试过得到的结果。
form.Size = new Size(626, 33 * (dict.Count / 5 + 1));
}
else
{
form.Size = new Size(125 * dict.Count, 33);
}

//form的弹出位置，必须要设置Form2的startposition为自定义，否则不管用。
//在窗体的x的基础上，加上textBox的x坐标，就可以控制弹出框的x坐标，而窗体的y坐标加上窗体的y坐标，还要斟酌form的height
form.Location = new Point(textBox2.Location.X + this.Location.X, this.Location.Y + textBox2.Location.Y – 15 * (dict.Count / 5 + 1));

//弹出form
form.ShowDialog();

}

/// <summary>
/// textBox1的鼠标点击事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void textBox1_MouseClick(object sender, MouseEventArgs e)
{
//先去查询数据,获得到返回值为实体数组,转成Dictionary<string,string>
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("1", "汽油");
dict.Add("2", "柴油");
dict.Add("3", "煤油");
dict.Add("4", "4油");
dict.Add("5", "5油");
dict.Add("7", "6油");
dict.Add("8", "7油");
dict.Add("9", "8油");
dict.Add("10", "9油");
dict.Add("11", "10油");
dict.Add("12", "6油");
dict.Add("13", "7油");
dict.Add("14", "8油");
dict.Add("15", "9油");
dict.Add("16", "10油");
Form1 form = new Form1(this.textBox1, dict);

if (dict.Count >= 5)
{
form.Size = new Size(626, 33 * (dict.Count/5+1));
}
else
{
form.Size = new Size(125 * dict.Count, 33);
}
form.Location = new Point(textBox2.Location.X + this.Location.X, this.Location.Y + textBox2.Location.Y ⑴5*(dict.Count/5+1));

form.ShowDialog();
}
}
}