第二篇关于实现视频的文章,使用Media Player控件

 
因第一篇实现视频的文章过于烦琐,于初学者较难理解,特整理此文.

1using System;
  2using System.Drawing;
  3using System.Collections;
  4using System.ComponentModel;
  5using System.Windows.Forms;
  6
  7namespace HHOA
  8{
  9    /**//// <summary>
 10    /// MPlayer 的摘要说明。
 11    /// </summary>
 12    public class MPlayer : System.Windows.Forms.Form
 13    {
 14        private AxMediaPlayer.AxMediaPlayer axPlayer;
 15        private System.Windows.Forms.MainMenu mainMenu1;
 16        private System.Windows.Forms.MenuItem menuItem1;
 17        private System.Windows.Forms.MenuItem mnu_Open;
 18        private System.Windows.Forms.MenuItem mnu_Close;
 19        private System.Windows.Forms.MenuItem menuItem7;
 20        private System.Windows.Forms.MenuItem mnu_Start;
 21        private System.Windows.Forms.MenuItem mnu_Pause;
 22        private System.Windows.Forms.MenuItem mnu_Stop;
 23        private System.Windows.Forms.MenuItem menuItem2;
 24        private System.Windows.Forms.MenuItem menuItem3;
 25        private System.Windows.Forms.MenuItem menuItem4;
 26        private System.Windows.Forms.MenuItem menuItem5;
 27        private System.Windows.Forms.MenuItem mnu_Exit;
 28        private System.Windows.Forms.MenuItem mnu_About;
 29        private System.Windows.Forms.MenuItem mnu_OldSize;
 30        private System.Windows.Forms.MenuItem mnu_DoubleSize;
 31        private System.Windows.Forms.MenuItem mnu_AddVoice;
 32        private System.Windows.Forms.MenuItem mnu_SubVoice;
 33        /**//// <summary>
 34        /// 必需的设计器变量。
 35        /// </summary>
 36        private System.ComponentModel.Container components = null;
 37
 38        public MPlayer()
 39        {
 40            //
 41            // Windows 窗体设计器支持所必需的
 42            //
 43            InitializeComponent();
 44
 45            //
 46            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
 47            //
 48        }
 49
 50        /**//// <summary>
 51        /// 清理所有正在使用的资源。
 52        /// </summary>
 53        protected override void Dispose( bool disposing )
 54        {
 55            if( disposing )
 56            {
 57                if(components != null)
 58                {
 59                    components.Dispose();
 60                }
 61            }
 62            base.Dispose( disposing );
 63        }
 64
 65        Windows 窗体设计器生成的代码#region Windows 窗体设计器生成的代码
 66        /**//// <summary>
 67        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
 68        /// 此方法的内容。
 69        /// </summary>
 70        private void InitializeComponent()
 71        {
 72            System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(MPlayer));
 73            this.axPlayer = new AxMediaPlayer.AxMediaPlayer();
 74            this.mainMenu1 = new System.Windows.Forms.MainMenu();
 75            this.menuItem1 = new System.Windows.Forms.MenuItem();
 76            this.mnu_Open = new System.Windows.Forms.MenuItem();
 77            this.mnu_Close = new System.Windows.Forms.MenuItem();
 78            this.menuItem7 = new System.Windows.Forms.MenuItem();
 79            this.mnu_Start = new System.Windows.Forms.MenuItem();
 80            this.mnu_Pause = new System.Windows.Forms.MenuItem();
 81            this.mnu_Stop = new System.Windows.Forms.MenuItem();
 82            this.menuItem5 = new System.Windows.Forms.MenuItem();
 83            this.mnu_Exit = new System.Windows.Forms.MenuItem();
 84            this.menuItem2 = new System.Windows.Forms.MenuItem();
 85            this.menuItem3 = new System.Windows.Forms.MenuItem();
 86            this.menuItem4 = new System.Windows.Forms.MenuItem();
 87            this.mnu_About = new System.Windows.Forms.MenuItem();
 88            this.mnu_OldSize = new System.Windows.Forms.MenuItem();
 89            this.mnu_DoubleSize = new System.Windows.Forms.MenuItem();
 90            this.mnu_AddVoice = new System.Windows.Forms.MenuItem();
 91            this.mnu_SubVoice = new System.Windows.Forms.MenuItem();
 92            ((System.ComponentModel.ISupportInitialize)(this.axPlayer)).BeginInit();
 93            this.SuspendLayout();
 94            // 
 95            // axPlayer
 96            // 
 97            this.axPlayer.Dock = System.Windows.Forms.DockStyle.Fill;
 98            this.axPlayer.Location = new System.Drawing.Point(0, 0);
 99            this.axPlayer.Name = "axPlayer";
100            this.axPlayer.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axPlayer.OcxState")));
101            this.axPlayer.Size = new System.Drawing.Size(360, 277);
102            this.axPlayer.TabIndex = 3;
103            // 
104            // mainMenu1
105            // 
106            this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
107                                                                                      this.menuItem1,
108                                                                                      this.menuItem2,
109                                                                                      this.menuItem3,
110                                                                                      this.menuItem4});
111            // 
112            // menuItem1
113            // 
114            this.menuItem1.Index = 0;
115            this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
116                                                                                      this.mnu_Open,
117                                                                                      this.mnu_Close,
118                                                                                      this.menuItem7,
119                                                                                      this.mnu_Start,
120                                                                                      this.mnu_Pause,
121                                                                                      this.mnu_Stop,
122                                                                                      this.menuItem5,
123                                                                                      this.mnu_Exit});
124            this.menuItem1.Text = "文件";
125            // 
126            // mnu_Open
127            // 
128            this.mnu_Open.Index = 0;
129            this.mnu_Open.Text = "打开";
130            this.mnu_Open.Click += new System.EventHandler(this.mnu_Open_Click);
131            // 
132            // mnu_Close
133            // 
134            this.mnu_Close.Index = 1;
135            this.mnu_Close.Text = "关闭";
136            this.mnu_Close.Click += new System.EventHandler(this.mnu_Close_Click);
137            // 
138            // menuItem7
139            // 
140            this.menuItem7.Index = 2;
141            this.menuItem7.Text = "-";
142            // 
143            // mnu_Start
144            // 
145            this.mnu_Start.Index = 3;
146            this.mnu_Start.Text = "开始";
147            this.mnu_Start.Click += new System.EventHandler(this.mnu_Start_Click);
148            // 
149            // mnu_Pause
150            // 
151            this.mnu_Pause.Index = 4;
152            this.mnu_Pause.Text = "暂停";
153            this.mnu_Pause.Click += new System.EventHandler(this.mnu_Pause_Click);
154            // 
155            // mnu_Stop
156            // 
157            this.mnu_Stop.Index = 5;
158            this.mnu_Stop.Text = "停止";
159            this.mnu_Stop.Click += new System.EventHandler(this.mnu_Stop_Click);
160            // 
161            // menuItem5
162            // 
163            this.menuItem5.Index = 6;
164            this.menuItem5.Text = "-";
165            // 
166            // mnu_Exit
167            // 
168            this.mnu_Exit.Index = 7;
169            this.mnu_Exit.Text = "退出";
170            this.mnu_Exit.Click += new System.EventHandler(this.mnu_Exit_Click);
171            // 
172            // menuItem2
173            // 
174            this.menuItem2.Index = 1;
175            this.menuItem2.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
176                                                                                      this.mnu_OldSize,
177                                                                                      this.mnu_DoubleSize});
178            this.menuItem2.Text = "视频";
179            // 
180            // menuItem3
181            // 
182            this.menuItem3.Index = 2;
183            this.menuItem3.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
184                                                                                      this.mnu_AddVoice,
185                                                                                      this.mnu_SubVoice});
186            this.menuItem3.Text = "音频";
187            // 
188            // menuItem4
189            // 
190            this.menuItem4.Index = 3;
191            this.menuItem4.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
192                                                                                      this.mnu_About});
193            this.menuItem4.Text = "帮助";
194            // 
195            // mnu_About
196            // 
197            this.mnu_About.Index = 0;
198            this.mnu_About.Text = "关于";
199            this.mnu_About.Click += new System.EventHandler(this.mnu_About_Click);
200            // 
201            // mnu_OldSize
202            // 
203            this.mnu_OldSize.Index = 0;
204            this.mnu_OldSize.Text = "原始大小";
205            this.mnu_OldSize.Click += new System.EventHandler(this.mnu_OldSize_Click);
206            // 
207            // mnu_DoubleSize
208            // 
209            this.mnu_DoubleSize.Index = 1;
210            this.mnu_DoubleSize.Text = "双倍大小";
211            // 
212            // mnu_AddVoice
213            // 
214            this.mnu_AddVoice.Index = 0;
215            this.mnu_AddVoice.Text = "加大音量";
216            this.mnu_AddVoice.Click += new System.EventHandler(this.mnu_AddVoice_Click);
217            // 
218            // mnu_SubVoice
219            // 
220            this.mnu_SubVoice.Index = 1;
221            this.mnu_SubVoice.Text = "减少音量";
222            this.mnu_SubVoice.Click += new System.EventHandler(this.mnu_SubVoice_Click);
223            // 
224            // MPlayer
225            // 
226            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
227            this.ClientSize = new System.Drawing.Size(360, 277);
228            this.Controls.Add(this.axPlayer);
229            this.Menu = this.mainMenu1;
230            this.Name = "MPlayer";
231            this.Text = "MPlayer";
232            ((System.ComponentModel.ISupportInitialize)(this.axPlayer)).EndInit();
233            this.ResumeLayout(false);
234
235        }
236        #endregion
237
238    
239        //打开文件
240        private void mnu_Open_Click(object sender, System.EventArgs e)
241        {
242            String sFileName;
243            OpenFileDialog openDlg = new OpenFileDialog();
244            openDlg.InitialDirectory = "c:\\" ;
245            openDlg.Filter = "All files (*.*)|*.*" ;
246            openDlg.RestoreDirectory = true ;
247            if(openDlg.ShowDialog() == DialogResult.OK)
248            {
249                sFileName = openDlg.FileName;
250                this.Text = sFileName;
251                axPlayer.FileName = sFileName;
252            }
253        }
254    
255        //Close
256        
257        private void mnu_Close_Click(object sender, EventArgs e)
258        {
259            axPlayer.FileName="";
260        }
261        
262        //Start Play
263        private void mnu_Start_Click(object sender, System.EventArgs e)
264        {
265            if (axPlayer.FileName!="")
266            {
267                axPlayer.Play();
268                //axPlayer.Run();
269            }
270            else
271            {
272                MessageBox.Show("No Fild File!");
273            }
274        }
275
276        //Pause
277        private void mnu_Pause_Click(object sender, System.EventArgs e)
278        {
279            axPlayer.Pause();
280        }
281
282        //Stop
283        private void mnu_Stop_Click(object sender, System.EventArgs e)
284        {
285            axPlayer.Stop();
286            
287            
288        }
289
290
291        //Exit
292        private void mnu_Exit_Click(object sender, System.EventArgs e)
293        {
294            axPlayer.FileName="";
295            this.Close();
296            
297        }
298
299
300        //About axPlayer
301        private void mnu_About_Click(object sender, System.EventArgs e)
302        {
303            axPlayer.AboutBox();
304            axPlayer.ShowAboutBox();
305        }
306
307        //原始视频大小
308        private void mnu_OldSize_Click(object sender, System.EventArgs e)
309        {
310            //axPlayer.h
311            //axPlayer.Size=AMovie.WindowSizeConstants.amvOriginalSize;
312        }
313
314        //加大音量
315        private void mnu_AddVoice_Click(object sender, System.EventArgs e)
316        {
317            if ( axPlayer.Volume + 500 <= 0 )
318                axPlayer.Volume += 500;
319            else
320                axPlayer.Volume = 0;
321
322        }
323
324        //减少音量
325        private void mnu_SubVoice_Click(object sender, System.EventArgs e)
326        {
327            if ( axPlayer.Volume - 500 >= -10000 )
328                axPlayer.Volume -= 500;
329            else
330                axPlayer.Volume = -10000;
331
332        }
333
334    
335    
336    }
337}




感谢陈波的《.net程序设计全接触》，以上内容多来自此文。
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