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标题:如何在winfrom 窗体中添加音乐.mp3
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e_hcwi66
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如何在winfrom 窗体中添加音乐.mp3
在窗体中添加.mp3的文件,谢谢大家给点意见
搜索更多相关主题的帖子: 如何 音乐 mp3 
2012-06-08 20:40
我是天才
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百度来的.........嘿嘿!
http://zhidao.baidu.com/question/80914519
C#的winform程序如何实现mp3文件的播放啊?
提问:
在C#的winform程序中,当点击一个按钮时,播放一首Mp3歌曲。
但不是把Mp3播放器弹出来的那种。
我是个菜鸟,刚学C#,请各位大侠指教啊!
回答:
用API函数就行,新建个类文件把下面的代码粘进去在调用play方法就行了(先给FileName属性赋值)
调用方法
Test.Mp3 mp3 = new Test.Mp3();
mp3.FileName = xxx;
mp3.play();

类代码
程序代码:
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace Test
{
    class Mp3
    {
        public Mp3()
        {
        }
        //定义API函数使用的字符串变量 
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
        private string Name = "";
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
        private string durLength = "";
        [MarshalAs(UnmanagedType.LPTStr, SizeConst = 128)]
        private string TemStr = "";
        int ilong;
        //定义播放状态枚举变量
        public enum State
        {
            mPlaying = 1,
            mPuase = 2,
            mStop = 3
        };
        //结构变量
        public struct structMCI
        {
            //public bool bMut;
            //public int iDur;
            //public int iVol;
            //public int iBal;
            public string iName;
            public State state;
            public int iPos;
        };

        public structMCI mc = new structMCI();

        //取得播放文件属性
        public string FileName
        {
            get
            {
                return mc.iName;
            }
            set
            {
                //ASCIIEncoding asc = new ASCIIEncoding(); 
                try
                {
                    TemStr = "";
                    TemStr = TemStr.PadLeft(127, Convert.ToChar(" "));
                    Name = Name.PadLeft(260, Convert.ToChar(" "));
                    mc.iName = value;
                    ilong = APIClass.GetShortPathName(mc.iName, Name, Name.Length);
                    Name = GetCurrPath(Name);
                    //Name = "open " + Convert.ToChar(34) + Name + Convert.ToChar(34) + " alias media";
                    Name = "open " + Convert.ToChar(34) + Name + Convert.ToChar(34) + " alias media";
                    ilong = APIClass.mciSendString("close all", TemStr, TemStr.Length, 0);
                    ilong = APIClass.mciSendString(Name, TemStr, TemStr.Length, 0);
                    ilong = APIClass.mciSendString("set media time format milliseconds", TemStr, TemStr.Length, 0);
                    mc.state = State.mStop;
                }
                catch
                {
                    MessageBox.Show("出错错误!");
                }
            }
        }
        //播放
        public void play()
        {
            TemStr = "";
            TemStr = TemStr.PadLeft(127, Convert.ToChar(" "));
            APIClass.mciSendString("play media", TemStr, TemStr.Length, 0);
            mc.state = State.mPlaying;
        }
        //停止
        public void StopT()
        {
            TemStr = "";
            TemStr = TemStr.PadLeft(128, Convert.ToChar(" "));
            ilong = APIClass.mciSendString("close media", TemStr, 128, 0);
            ilong = APIClass.mciSendString("close all", TemStr, 128, 0);
            mc.state = State.mStop;
        }

        public void Puase()
        {
            TemStr = "";
            TemStr = TemStr.PadLeft(128, Convert.ToChar(" "));
            ilong = APIClass.mciSendString("pause media", TemStr, TemStr.Length, 0);
            mc.state = State.mPuase;
        }
        private string GetCurrPath(string name)
        {
            if (name.Length < 1) return "";
            name = name.Trim();
            name = name.Substring(0, name.Length - 1);
            return name;
        }
        //总时间
        public int Duration
        {
            get
            {
                durLength = "";
                durLength = durLength.PadLeft(128, Convert.ToChar(" "));
                APIClass.mciSendString("status media length", durLength, durLength.Length, 0);
                durLength = durLength.Trim();
                if (durLength == "") return 0;
                return (int)(Convert.ToDouble(durLength) / 1000f);
            }
        }

        //当前时间
        public int CurrentPosition
        {
            get
            {
                durLength = "";
                durLength = durLength.PadLeft(128, Convert.ToChar(" "));
                APIClass.mciSendString("status media position", durLength, durLength.Length, 0);
                durLength = durLength.Trim();
                mc.iPos = (int)(Convert.ToDouble(durLength) / 1000f);
                return mc.iPos;
            }
        }
        public bool IsEnd()
        {
            durLength = "";
            durLength = durLength.PadLeft(128, Convert.ToChar(" "));
            APIClass.mciSendString("status media length", durLength, durLength.Length, 0);
            durLength = durLength.Trim();
            string curLength;
            curLength = "";
            curLength = curLength.PadLeft(128, Convert.ToChar(" "));
            APIClass.mciSendString("status media position", curLength, curLength.Length, 0);
            curLength = curLength.Trim();
            if (curLength == durLength)
            {
                return true;
            }
            return false;
        }
    }
    public class APIClass
    {
        [DllImport("kernel32.dll", CharSet = CharSet.Auto)]
        public static extern int GetShortPathName(
        string lpszLongPath,
        string shortFile,
        int cchBuffer
        );

        [DllImport("winmm.dll", EntryPoint = "mciSendString", CharSet = CharSet.Auto)]
        public static extern int mciSendString(
        string lpstrCommand,
        string lpstrReturnString,
        int uReturnLength,
        int hwndCallback
        );
    }
}

本人新手...............学了两天的 C# ::>_<::............
2012-06-09 02:49
我是天才
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如果是 添加文件的话 应该是 这个把  没用过..........
解决方案资源管理器里面有个properties点开他 子目录里面有个Resources.resx  双击这个 然后选择添加资源  就可以了  应该是这个把................嘿嘿
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[ 本帖最后由 我是天才 于 2012-6-9 03:10 编辑 ]
2012-06-09 03:04
konghui3
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非常感谢
2012-08-03 15:22
快速回复:如何在winfrom 窗体中添加音乐.mp3
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