form1.cs

作业~画出载入的声音文件波形~并在可在画板上画涂鸦

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;　      //用于文件的操纵
using System.Drawing;   //用于绘图


namespace WindowsApplication1
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	/// 
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.ToolBar toolBar1;
		private System.Windows.Forms.ToolBarButton toolBarButton1;
		private System.Windows.Forms.ToolBarButton toolBarButton2;
		private System.Windows.Forms.ToolBarButton toolBarButton3;
		private System.Windows.Forms.ToolBarButton toolBarButton4;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.MenuItem menuItem7;
		private System.Windows.Forms.MenuItem menuItem8;
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.ComponentModel.IContainer components;
		string FILE_NAME = "";
		FileStream fs;
		BinaryReader r;

		byte[] head;
		byte[]  aa;
		ushort[] bb;

		int  channels;
		long frequence;
		int  samplebits;
		int  datlen;
        int dlength;
		Graphics g;
		private System.Windows.Forms.TextBox textBox1;
		private AxMCI.AxMMControl mm1;
		private System.Windows.Forms.HScrollBar hScrollBar1;
		private System.Windows.Forms.HScrollBar hScrollBar2;
		private System.Windows.Forms.PictureBox p1;
		private System.Windows.Forms.MenuItem menuItem9;
		private System.Windows.Forms.Timer timer1;
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.PictureBox pictureBox1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.TrackBar trackBar1;
		private System.Windows.Forms.Panel panel2;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TrackBar trackBar2;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.ColorDialog colorDialog1;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Label label6;
		private System.Windows.Forms.Panel panel3;
		Pen pen ;
		public Form1()
		{

			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.menuItem9 = new System.Windows.Forms.MenuItem();
			this.menuItem7 = new System.Windows.Forms.MenuItem();
			this.menuItem8 = new System.Windows.Forms.MenuItem();
			this.toolBar1 = new System.Windows.Forms.ToolBar();
			this.toolBarButton1 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton2 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton3 = new System.Windows.Forms.ToolBarButton();
			this.toolBarButton4 = new System.Windows.Forms.ToolBarButton();
			this.p1 = new System.Windows.Forms.PictureBox();
			this.mm1 = new AxMCI.AxMMControl();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.hScrollBar1 = new System.Windows.Forms.HScrollBar();
			this.hScrollBar2 = new System.Windows.Forms.HScrollBar();
			this.timer1 = new System.Windows.Forms.Timer(this.components);
			this.panel1 = new System.Windows.Forms.Panel();
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.label1 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.trackBar1 = new System.Windows.Forms.TrackBar();
			this.panel2 = new System.Windows.Forms.Panel();
			this.button2 = new System.Windows.Forms.Button();
			this.label4 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.trackBar2 = new System.Windows.Forms.TrackBar();
			this.colorDialog1 = new System.Windows.Forms.ColorDialog();
			this.label5 = new System.Windows.Forms.Label();
			this.label6 = new System.Windows.Forms.Label();
			this.panel3 = new System.Windows.Forms.Panel();
			((System.ComponentModel.ISupportInitialize)(this.mm1)).BeginInit();
			this.panel1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.trackBar1)).BeginInit();
			this.panel2.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.trackBar2)).BeginInit();
			this.panel3.SuspendLayout();
			this.SuspendLayout();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1,
																					  this.menuItem4,
																					  this.menuItem7});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem2,
																					  this.menuItem3});
			this.menuItem1.Text = "文件";
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 0;
			this.menuItem2.Text = "打开";
			this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 1;
			this.menuItem3.Text = "关闭";
			this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 1;
			this.menuItem4.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem5,
																					  this.menuItem6,
																					  this.menuItem9});
			this.menuItem4.Text = "控制";
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 0;
			this.menuItem5.Text = "播放";
			this.menuItem5.Click += new System.EventHandler(this.menuItem5_Click);
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 1;
			this.menuItem6.Text = "图像";
			this.menuItem6.Click += new System.EventHandler(this.menuItem6_Click);
			// 
			// menuItem9
			// 
			this.menuItem9.Index = 2;
			this.menuItem9.Text = "跳动的图像";
			this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);
			// 
			// menuItem7
			// 
			this.menuItem7.Index = 2;
			this.menuItem7.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem8});
			this.menuItem7.Text = "帮助";
			// 
			// menuItem8
			// 
			this.menuItem8.Index = 0;
			this.menuItem8.Text = "介绍";
			// 
			// toolBar1
			// 
			this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																						this.toolBarButton1,
																						this.toolBarButton2,
																						this.toolBarButton3,
																						this.toolBarButton4});
			this.toolBar1.DropDownArrows = true;
			this.toolBar1.Location = new System.Drawing.Point(0, 0);
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.ShowToolTips = true;
			this.toolBar1.Size = new System.Drawing.Size(728, 41);
			this.toolBar1.TabIndex = 0;
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// toolBarButton1
			// 
			this.toolBarButton1.Text = "打开";
			// 
			// toolBarButton2
			// 
			this.toolBarButton2.Text = "图画";
			// 
			// toolBarButton3
			// 
			this.toolBarButton3.Text = "播放";
			// 
			// toolBarButton4
			// 
			this.toolBarButton4.Text = "退出";
			// 
			// p1
			// 
			this.p1.Location = new System.Drawing.Point(8, 120);
			this.p1.Name = "p1";
			this.p1.Size = new System.Drawing.Size(696, 128);
			this.p1.TabIndex = 1;
			this.p1.TabStop = false;
			this.p1.Click += new System.EventHandler(this.pictureBox1_Click);
			// 
			// mm1
			// 
			this.mm1.Enabled = true;
			this.mm1.Location = new System.Drawing.Point(0, 48);
			this.mm1.Name = "mm1";
			this.mm1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("mm1.OcxState")));
			this.mm1.Size = new System.Drawing.Size(236, 23);
			this.mm1.TabIndex = 2;
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(240, 48);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(168, 21);
			this.textBox1.TabIndex = 3;
			this.textBox1.Text = "";
			// 
			// hScrollBar1
			// 
			this.hScrollBar1.Location = new System.Drawing.Point(64, 8);
			this.hScrollBar1.Maximum = 1000;
			this.hScrollBar1.Minimum = 200;
			this.hScrollBar1.Name = "hScrollBar1";
			this.hScrollBar1.TabIndex = 4;
			this.hScrollBar1.Value = 200;
			this.hScrollBar1.Scroll += new System.Windows.Forms.ScrollEventHandler(this.hScrollBar1_Scroll);
			// 
			// hScrollBar2
			// 
			this.hScrollBar2.Location = new System.Drawing.Point(216, 8);
			this.hScrollBar2.Maximum = 500000;
			this.hScrollBar2.Minimum = 10000;
			this.hScrollBar2.Name = "hScrollBar2";
			this.hScrollBar2.TabIndex = 5;
			this.hScrollBar2.Value = 10000;
			this.hScrollBar2.Scroll += new System.Windows.Forms.ScrollEventHandler(this.hScrollBar2_Scroll);
			// 
			// timer1
			// 
			this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
			// 
			// panel1
			// 
			this.panel1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.panel1.Controls.Add(this.pictureBox1);
			this.panel1.Location = new System.Drawing.Point(8, 208);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(592, 328);
			this.panel1.TabIndex = 6;
			// 
			// pictureBox1
			// 
			this.pictureBox1.Location = new System.Drawing.Point(0, 0);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(592, 328);
			this.pictureBox1.TabIndex = 0;
			this.pictureBox1.TabStop = false;
			this.pictureBox1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pictureBox1_MouseDown);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 192);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(100, 16);
			this.label1.TabIndex = 7;
			this.label1.Text = "绘图区：";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(616, 216);
			this.button1.Name = "button1";
			this.button1.TabIndex = 8;
			this.button1.Text = "清屏";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// trackBar1
			// 
			this.trackBar1.Location = new System.Drawing.Point(0, 32);
			this.trackBar1.Name = "trackBar1";
			this.trackBar1.Size = new System.Drawing.Size(112, 45);
			this.trackBar1.TabIndex = 9;
			// 
			// panel2
			// 
			this.panel2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.panel2.Controls.Add(this.button2);
			this.panel2.Controls.Add(this.label4);
			this.panel2.Controls.Add(this.label3);
			this.panel2.Controls.Add(this.label2);
			this.panel2.Controls.Add(this.trackBar1);
			this.panel2.Controls.Add(this.trackBar2);
			this.panel2.Location = new System.Drawing.Point(608, 280);
			this.panel2.Name = "panel2";
			this.panel2.Size = new System.Drawing.Size(112, 256);
			this.panel2.TabIndex = 10;
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(16, 144);
			this.button2.Name = "button2";
			this.button2.TabIndex = 13;
			this.button2.Text = "修改画笔颜色";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(64, 72);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(48, 23);
			this.label4.TabIndex = 12;
			this.label4.Text = "1";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(8, 72);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(64, 23);
			this.label3.TabIndex = 11;
			this.label3.Text = "画笔大小:";
			// 
			// label2