写入简谱（flash钢琴谱）自动播放简谱琴声程序 c#

来源：互联网发布：android建服务器软件编辑：程序博客网时间：2024/04/19 03:06

这个音乐程序，有个缺点，就是节拍不好控制，你不懂要输入多少个空格（表示延时多少）？读简谱时钟的时钟周期是多少？
/*
甩葱歌简谱测试用
QTTUVTTTVUSSSUTT
TTQTTUVTTTOQQQPOUVTT
XXWVUSSSUWWWWVUOTT
TTXXWVUSSSUWWWWVUVTT
*/
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;

namespace gangqinzidongbofang
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public static uint SND_ASYNC = 0x0001; //
public static uint SND_FILENAME = 0x00020000;
[DllImport("winmm.dll")]
public static extern uint mciSendString(string lpstrCommand,
string lpstrReturnString, uint uReturnLength, uint hWndCallback);

string path = @"D:\Download\Silverlightkey\codefans.net\键盘钢琴\AphroditePiano\Sound\";
string keyname = "";
string stryinjie = "";
int i;

private void button1_Click(object sender, EventArgs e)
{
stryinjie = richTextBox1.Text;
i = 0;
timer1.Interval = 200;
timer1.Enabled = true;

}

private void timer1_Tick(object sender, EventArgs e)
{

if (char.IsLetter(stryinjie[i]))
{

//D:\Download\Silverlightkey\codefans.net\键盘钢琴\AphroditePiano\Sound\目录，保存了A.mp3 B.mp3 C.mp3到Z.mp3，分别存放了不同的音阶MP3文件
string keyname = char.ToUpper(stryinjie[i]) + ".mp3";

string alldir = path + keyname;

mciSendString(@"close temp_alias", null, 0, 0);
mciSendString(@"open " + alldir + " alias temp_alias", null, 0, 0);
//("play temp_alias repeat", null, 0, 0);
mciSendString("play temp_alias ", null, 0, 0);
}
else
{
if (stryinjie[i].Equals(' '))//等于空格
{
System.Threading.Thread.Sleep(2000);
//if(Delay(1));

}
}
i++;
if (i == stryinjie.Length)
{
timer1.Enabled = false;
}
}

/// <summary>
/// 延时函数
/// </summary>
/// <param name="delayTime">需要延时多少秒</param>
/// <returns></returns>
public static bool Delay(int delayTime)
{
DateTime now = DateTime.Now;
int s;
do
{
TimeSpan spand = DateTime.Now - now;
s = spand.Seconds;
Application.DoEvents();
}
while (s < delayTime);
return true;
}

}
}