www.pudn.com > QQ2008.rar > PlaySound.cs

using System; 
using System.Runtime.InteropServices; 
 
namespace QQloginCont 
{ 
	/// 
 
	/// PlaySound 的摘要说明。 
	/// 
 
	public class PlaySound 
	{ 
		public PlaySound() 
		{ 
			// 
			// TODO: 在此处添加构造函数逻辑 
			// 
		} 
		[DllImport("winmm.dll")] 
		private static extern long mciSendString(string strCommand,	string strReturn, int iReturnLength, IntPtr hwndCallback); 
		private static void GetWavAndOpen(int SoundId) 
		{ 
			string sFileName; 
			switch(SoundId) 
			{ 
				case 1://系统消息 
					sFileName="sound\\System.wav"; 
					break; 
				case 2://收到消息 
					sFileName="sound\\Msg.wav"; 
					break; 
				case 3://功能切换 
					sFileName="sound\\Folder.wav"; 
					break; 
				default: 
					sFileName="sound\\Call.wav"; 
					break; 
			} 
			string sCommand = "open \"" + sFileName + "\" type mpegvideo alias MediaFile";	//   MediaFile是选择播放文件类型  
			string ret = null; 
			mciSendString(sCommand, ret, 0, IntPtr.Zero); 
		} 
		public static void play(int SoundId) 
		{ 
			StopPlay(); 
			GetWavAndOpen(SoundId); 
			string sCommand = "play MediaFile"; 
			string ret = null; 
			mciSendString(sCommand, ret, 0, IntPtr.Zero); 
		} 
		private static void StopPlay() 
		{ 
			string sCommand = "close MediaFile"; 
			string ret = null; 
			mciSendString(sCommand, ret, 0, IntPtr.Zero); 
		} 
	} 
}