C#实现MP3播放器功能的示例代码
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
//***********************
private Point mouseOffset; //记录鼠标坐标
private bool isMouseDown = false; //是否按下鼠标
bool flag = false; //判断是播放还是打开选择窗口
static bool MM = true; //记录是否静音
//***********************
private void Form1_Load(object sender, EventArgs e)
{
}
private void pictureBox1_Click(object sender, EventArgs e)
{
this.WindowState = FormWindowState.Minimized;
}
private void pictureBox2_Click(object sender, EventArgs e)
{
Application.Exit();
}
#region 移动无边框窗体
private void pictureBox3_MouseDown(object sender, MouseEventArgs e)
{
int xOffset;
int yOffset;
if (e.Button == MouseButtons.Left)
{
xOffset = -e.X;
yOffset = -e.Y;
mouseOffset = new Point(xOffset, yOffset);
isMouseDown = true;
}
}
private void pictureBox3_MouseMove(object sender, MouseEventArgs e)
{
if (isMouseDown)
{
Point mousePos = Control.MousePosition;
mousePos.Offset(mouseOffset.X, mouseOffset.Y);
Location = mousePos;
}
}
private void pictureBox3_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
isMouseDown = false;
}
}
#endregion
private void pictureBox4_Click(object sender, EventArgs e) //打开播放
{
if (!flag)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
axWindowsMediaPlayer1.URL = openFileDialog1.FileName;
m = 1;
lblSongTitle.Text = " 歌曲名称:" + axWindowsMediaPlayer1.currentMedia.getItemInfo("Title");
}
}
else
{
axWindowsMediaPlayer1.Ctlcontrols.play();
}
}
private void pictureBox5_Click(object sender, EventArgs e) //暂停
{
axWindowsMediaPlayer1.Ctlcontrols.pause();
flag = true;
}
private void pictureBox6_Click(object sender, EventArgs e) //停止
{
axWindowsMediaPlayer1.Ctlcontrols.stop();
flag = false;
}
private void pictureBox7_Click(object sender, EventArgs e) //静音
{
if (MM)
{
pictureBox7.Image = (Image) Properties.Resources.音量按钮变色;
axWindowsMediaPlayer1.settings.mute = true;
MM = false;
}
else
{
pictureBox7.Image = (Image) Properties.Resources.音量按钮;
axWindowsMediaPlayer1.settings.mute = false;
MM = true;
}
}
private void pictureBox4_MouseEnter(object sender, EventArgs e)
{
pictureBox4.Image = (Image) Properties.Resources.播放按钮变;
}
private void pictureBox4_MouseLeave(object sender, EventArgs e)
{
pictureBox4.Image = (Image) Properties.Resources.播放按钮;
}
private void pictureBox5_MouseEnter(object sender, EventArgs e)
{
pictureBox5.Image = (Image) Properties.Resources.暂停按钮变;
}
private void pictureBox5_MouseLeave(object sender, EventArgs e)
{
pictureBox5.Image = (Image) Properties.Resources.暂停按钮;
}
private void pictureBox6_MouseEnter(object sender, EventArgs e)
{
pictureBox6.Image = (Image) Properties.Resources.停止按钮变;
}
private void pictureBox6_MouseLeave(object sender, EventArgs e)
{
pictureBox6.Image = (Image) Properties.Resources.停止按钮;
}
int m = 0;
private void timer1_Tick(object sender, EventArgs e)
{
int i = (int) axWindowsMediaPlayer1.playState;
switch (i)
{
case 1:
lblStauts.Text = "状态:停止";
break;
case 2:
lblStauts.Text = "状态:暂停";
break;
case 3:
lblStauts.Text = "状态:播放";
break;
case 6:
lblStauts.Text = "状态:正在缓冲";
break;
case 9:
lblStauts.Text = "状态:正在连接";
break;
case 10:
lblStauts.Text = "状态:准备就绪";
break;
}
lbljindu.Text = axWindowsMediaPlayer1.Ctlcontrols.currentPositionString;
if (m == 1)
{
hScrollBar1.Maximum = (int) axWindowsMediaPlayer1.currentMedia.duration;
hScrollBar1.Minimum = 0;
hScrollBar1.Value = (int) axWindowsMediaPlayer1.Ctlcontrols.currentPosition;
hScrollBar2.Value = axWindowsMediaPlayer1.settings.volume;
}
}
private void hScrollBar1_Scroll(object sender, ScrollEventArgs e)
{
axWindowsMediaPlayer1.Ctlcontrols.currentPosition = e.NewValue;
}
private void hScrollBar2_Scroll(object sender, ScrollEventArgs e)
{
axWindowsMediaPlayer1.settings.volume = e.NewValue;
}
private void axWindowsMediaPlayer1_Enter(object sender, EventArgs e)
{
}
}
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