Interop.MediaPlayer.dll
你要是C#.net来写的话,是不需要通过API调用,只需要应用一写这个Dll就可以了.
我写的一个Demo 部分源码
private
void
button1_Click(
object
sender, System.EventArgs e) 
...
{//浏览MP3文件
if(this.openFileDialog1.ShowDialog()==DialogResult.OK) 
...{
this.listView1.Items.Clear();
string []FileNames=this.openFileDialog1.FileNames;
foreach(string FileName in FileNames) 
...{
//取得文件大小
FileInfo MyFileInfo=new FileInfo(FileName);
float MyFileSize=(float)MyFileInfo.Length/(1024*1024);
this.axMediaPlayer1.FileName=FileName;
//取得作者信息
string MyAuthor=this.axMediaPlayer1.GetMediaInfoString(MediaPlayer.MPMediaInfoType.mpClipAuthor);
//取得不含路径的文件名
string MyShortFileName=FileName.Substring(FileName.LastIndexOf("/")+1);
MyShortFileName=MyShortFileName.Substring(0,MyShortFileName.Length-4);
//填充歌曲列表 
string[] SubItem=...{MyShortFileName,MyAuthor,MyFileSize.ToString().Substring(0,4)+"M",FileName};
ListViewItem Item=new ListViewItem(SubItem);
this.listView1.Items.Add(Item);
this.listView1.Items[0].Selected=true;
} 
}
}

private
void
button2_Click(
object
sender, System.EventArgs e) 
...
{//播放MP3文件
if(this.listView1.Items.Count> 0) 
...{
if(this.listView1.SelectedItems.Count> 0) 
...{
int iPos=this.listView1.SelectedItems[0].Index;
string FileName=this.listView1.Items[iPos].SubItems[3].Text;
this.axMediaPlayer1.FileName=FileName;
this.axMediaPlayer1.Play();
}
}
else 
...{
MessageBox.Show("请选择歌曲!","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}


private
void
button4_Click(
object
sender, System.EventArgs e) 
...
{//暂停播放
if(this.axMediaPlayer1.FileName.Length> 0)
this.axMediaPlayer1.Pause();
else 
...{
MessageBox.Show("请选择歌曲!","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}

private
void
button5_Click(
object
sender, System.EventArgs e) 
...
{//停止播放
if(this.axMediaPlayer1.FileName.Length> 0)
this.axMediaPlayer1.Stop();
else 
...{
MessageBox.Show("请选择歌曲!","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}

private
void
button6_Click(
object
sender, System.EventArgs e) 
...
{//上一首歌曲
if(this.listView1.Items.Count> 0) 
...{
if(this.listView1.SelectedItems.Count> 0) 
...{
int iPos=this.listView1.SelectedItems[0].Index;
if(iPos> 0) 
...{
this.listView1.Items[iPos-1].Selected=true;
string FileName=this.listView1.Items[iPos-1].SubItems[3].Text;
this.axMediaPlayer1.FileName=FileName;
this.axMediaPlayer1.Play();
}
else 
...{
MessageBox.Show("已经是第一首歌曲!","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}
}
else 
...{
MessageBox.Show("请选择歌曲!","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}

private
void
button7_Click(
object
sender, System.EventArgs e) 
...
{//下一首歌曲
if(this.listView1.Items.Count> 0) 
...{
if(this.listView1.SelectedItems.Count> 0) 
...{
int iPos=this.listView1.SelectedItems[0].Index;
if(iPos <this.listView1.Items.Count-1) 
...{
this.listView1.Items[iPos+1].Selected=true;
string FileName=this.listView1.Items[iPos+1].SubItems[3].Text;
this.axMediaPlayer1.FileName=FileName;
this.axMediaPlayer1.Play();
}
else 
...{
MessageBox.Show("已经是最后一首歌曲!","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}
}
else 
...{
MessageBox.Show("请选择歌曲!","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
} 
}
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