using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace WindowsApplication1
{
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Button button1;

private System.ComponentModel.Container components = null;

public Form1()
{
InitializeComponent();
}

protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
 components.Dispose();
}
}
base.Dispose(disposing);
}

private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();

this.textBox1.Location = new System.Drawing.Point(8, 32);
this.textBox1.Multiline = true;
this.textBox1.Name = "textBox1";
this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Both;
this.textBox1.Size = new System.Drawing.Size(176, 344);
this.textBox1.TabIndex = 0;
this.textBox1.Text = "";

this.textBox2.Location = new System.Drawing.Point(328, 32);
this.textBox2.Multiline = true;
this.textBox2.Name = "textBox2";
this.textBox2.ScrollBars = System.Windows.Forms.ScrollBars.Both;
this.textBox2.Size = new System.Drawing.Size(168, 344);
this.textBox2.TabIndex = 1;
this.textBox2.Text = "";

this.button1.Location = new System.Drawing.Point(216, 8);
this.button1.Name = "button1";
this.button1.TabIndex = 2;
this.button1.Text = "词频统计";
this.button1.Click += new System.EventHandler(this.button1_Click);

this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(512, 397);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
}

[STAThread]
static void Main()
{
Application.Run(new Form1());
}

private void button1_Click(object sender, System.EventArgs e)
{
string s=textBox1.Text ;
char[] c={' ',',','.','?','\'',':',';','!'};
string[] ss=s.Split (c);
Hashtable ha=new Hashtable ();

foreach(string sss in ss)
{
if(ha.Contains (sss))
{
ha[sss]=(int)ha[sss]+1;
}
else
{
ha.Add (sss,1);
}
}

foreach(DictionaryEntry de in ha)
{
textBox2.AppendText (de.Key +":"+de.Value +"\n");
}

}
}
}