C#编程音乐播放器和桌面背景设置

C#语言基础

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开发语言：C#
实例大小：0.38M
下载次数：24
浏览次数：566
发布时间：2017-04-22
实例类别：C#语言基础
发布人：qq2476755707
文件格式：.zip
所需积分：4

相关标签：播放器 C# 音乐播放 c

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实例介绍

[下载地址]

【实例简介】

指定文件夹后，使文件夹中的图自自动切换为电脑桌面，并开始播放指定的音乐文件，实现在欣赏美丽背景的同时，倾听动听的音乐，而且还可以设置桌面背景的样式，如平铺，居中或拉伸等。

【实例截图】

需要启用 Windows Media Player 功能，否则会提示【System.Runtime.InteropServices.COMException:“没有注册类】

操作步骤：控制面板>>程序>>启用或者关闭windows 功能>>选中媒体功能>>Windows Media Player,点击确定即可

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using Microsoft.Win32;
using System.IO;
using System.Threading;
using System.Drawing.Imaging;
namespace MusicViewDesk
{
public partial class Frm_Main : Form
{
public Frm_Main()
{
InitializeComponent();
}
string path;

private void 关闭电脑ToolStripMenuItem_Click(object sender, EventArgs e)
{
baseClass.ExitWindowsEx(baseClass.EWX_SHUTDOWN, 0);
}

private void 退出系统ToolStripMenuItem_Click(object sender, EventArgs e)
{
Application.Exit();
}

private void 设置桌面ToolStripMenuItem_Click(object sender, EventArgs e)
{
System.Diagnostics.Process.Start("desk.cpl");
}

private void 系统信息ToolStripMenuItem_Click(object sender, EventArgs e)
{
System.Diagnostics.Process.Start("MSINFO32.exe");
}

private void 隐藏任务栏ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (隐藏任务栏ToolStripMenuItem.CheckState== CheckState.Unchecked)
{
baseClass.ShowWindow(baseClass.FindWindow("Shell_TrayWnd", null), 0);
隐藏任务栏ToolStripMenuItem.Checked = true;
}
else
{
baseClass.ShowWindow(baseClass.FindWindow("Shell_TrayWnd", null), 5);
隐藏任务栏ToolStripMenuItem.Checked = false;
}
}

private void 隐藏桌面ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (隐藏桌面ToolStripMenuItem.CheckState == CheckState.Unchecked)
{
baseClass.ShowWindow(baseClass.FindWindow("progman", null), 0);
隐藏桌面ToolStripMenuItem.Checked = true;
}
else
{
baseClass.ShowWindow(baseClass.FindWindow("progman", null), 5);
隐藏桌面ToolStripMenuItem.Checked = false;
}
}

private void 壁纸居中ToolStripMenuItem_Click(object sender, EventArgs e)
{
baseClass.SetDesk(0);
}

private void 平铺ToolStripMenuItem_Click(object sender, EventArgs e)
{
baseClass.SetDesk(1);
}

private void 壁纸拉伸ToolStripMenuItem_Click(object sender, EventArgs e)
{
baseClass.SetDesk(2);
}

private void 系统设置ToolStripMenuItem_Click(object sender, EventArgs e)
{
Frm_Set frm2 = new Frm_Set();
frm2.ShowDialog();
}

string musicPath;//音乐路径
string picPath;//图片路径
string pictime;//时间间隔
string screenpath;//屏保路径
private bool getinfo()
{
bool flag = false;
musicPath = baseClass.IniReadValue("setup", "musicpath", path);
picPath = baseClass.IniReadValue("setup", "picpath", path);
pictime = baseClass.IniReadValue("setup", "pictime", path);
screenpath = baseClass.IniReadValue("setup", "screen", path);
if (musicPath != "" && pictime != "" && picPath != "" && screenpath != "")
{
DirectoryInfo di = new DirectoryInfo(musicPath);
DirectoryInfo di1 = new DirectoryInfo(picPath);
if (di.Exists||di1.Exists)
{
flag = true;
}
}
return flag;
}
private void Form1_Load(object sender, EventArgs e)
{
path = Application.StartupPath.ToString();
path = path.Substring(0, path.LastIndexOf("\\"));
path = path.Substring(0, path.LastIndexOf("\\"));
path = @"\Setup.ini";
CheckForIllegalCrossThreadCalls = false;
if (!getinfo())
{
MessageBox.Show("请先对系统进行设置！");
}
}
private void 开启音乐屏保ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (getinfo())
{
baseClass.ScreenStart();
axWindowsMediaPlayer1.URL = musicPath;
}
}

private void 启动ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (getinfo())
{
if ((int)axWindowsMediaPlayer1.playState == 2)
{
timer1.Interval = Convert.ToInt32(pictime) * 1000;
timer1.Start();
启动ToolStripMenuItem.Enabled = false;
axWindowsMediaPlayer1.Ctlcontrols.play();
}
else
{
timer1.Interval = Convert.ToInt32(pictime) * 1000;
timer1.Start();
启动ToolStripMenuItem.Enabled = false;
axWindowsMediaPlayer1.URL = musicPath;
}
}
else
{
MessageBox.Show("请先对系统进行设置！");
}
}

private void ConvertType()
{
string FPath = picp;
//获取指定图片的扩展名
string SFileType = FPath.Substring(FPath.LastIndexOf(".") 1, (FPath.Length - FPath.LastIndexOf(".") - 1));
//将扩展名转换成小写
SFileType = SFileType.ToLower();
//获取文件名
string SFileName = FPath.Substring(FPath.LastIndexOf("\\") 1, (FPath.LastIndexOf(".") - FPath.LastIndexOf("\\") - 1));
//如果图片的类型是bmp则调用API中的方法将其设置为桌面背景
if (SFileType == "bmp")
{
baseClass.SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, FPath, 1);
}
else
{
if (SFileType != "db")
{
string SystemPath = Environment.SystemDirectory;//获取系统路径

DirectoryInfo di = new DirectoryInfo(SystemPath "\\WildWolf");
if (di.Exists)
{
di.Delete(true);
Directory.CreateDirectory(SystemPath "\\WildWolf");
}
else
{
Directory.CreateDirectory(SystemPath "\\WildWolf");
}
string path = SystemPath "\\WildWolf\\" SFileName ".bmp";
FileInfo fi = new FileInfo(path);
if (fi.Exists)
{
fi.Delete();
PictureBox pb = new PictureBox();
pb.Image = Image.FromFile(FPath);
pb.Image.Save(SystemPath "\\WildWolf\\" SFileName ".bmp", ImageFormat.Bmp);
}
else
{
PictureBox pb = new PictureBox();
pb.Image = Image.FromFile(FPath);
pb.Image.Save(SystemPath "\\WildWolf\\" SFileName ".bmp", ImageFormat.Bmp);
}
baseClass.SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, path, 1);
}
}
}

int i = 0;
string[] pic;
string picp;
private const int SPI_SETDESKWALLPAPER = 20;
private void timer1_Tick(object sender, EventArgs e)
{
pic = Directory.GetFiles(picPath);
int plength = pic.Length;
if (i <plength)
{
picp = pic[i].ToString();
ConvertType();
i ;
}
else
{
i = 0;
}
}

private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{

}

private void 暂停ToolStripMenuItem_Click(object sender, EventArgs e)
{
timer1.Stop();
启动ToolStripMenuItem.Enabled = true;
axWindowsMediaPlayer1.Ctlcontrols.pause();
}
}
}

标签： 播放器 C# 音乐播放 c

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