实例介绍
【实例简介】
【实例截图】
【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;
namespace SoundCalculator
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
[DllImport("winmm.dll", EntryPoint = "mciSendString")]
private static extern Int32 mciSendString(String lpstrCommand, String lpstrReturnString, Int32 uReturnLength, Int32 hwndCallback);
[DllImport("kernel32")]
private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);
public static string[] VoxPath = new string[24];
string tem_Value = "";
string tem_FileName = "";
Int32 n = 0;
public void GetVox()
{
StringBuilder temp = new StringBuilder(255);
if (System.IO.File.Exists(Application.StartupPath "\\Tem_File.ini") == true)
{
for (int i = 0; i < VoxPath.Length; i )
{
GetPrivateProfileString("Vox", i.ToString(), "数据读取错误。", temp, 255, Application.StartupPath "\\Tem_File.ini");
VoxPath[i] = temp.ToString();
}
}
}
public void sound(string FileName)
{
if (FileName == null)//如果文件为空
return;//退出操作
if (FileName.IndexOf(" ") == -1)//如果路径中没有空格
{
if (tem_FileName.Length!=0)//如果有播放的文件
mciSendString("close " tem_FileName, null, 0, 0);//关闭当前文件的播放
n=mciSendString("open " FileName , null, 0 , 0);//打开要播放的文件
n=mciSendString("play " FileName, null, 0, 0);//播放当前文件
tem_FileName = FileName;//记录播放文件的路径
}
}
private void pict_Back_Click(object sender, EventArgs e)
{
tem_Value = ((PictureBox)sender).AccessibleName;//获取当前按钮的标识
switch (tem_Value)
{
case "0": num(tem_Value); sound(VoxPath[0]); break;//实现按钮的语音功能
case "1": num(tem_Value); sound(VoxPath[1]); break;
case "2": num(tem_Value); sound(VoxPath[2]); break;
case "3": num(tem_Value); sound(VoxPath[3]); break;
case "4": num(tem_Value); sound(VoxPath[4]); break;
case "5": num(tem_Value); sound(VoxPath[5]); break;
case "6": num(tem_Value); sound(VoxPath[6]); break;
case "7": num(tem_Value); sound(VoxPath[7]); break;
case "8": num(tem_Value); sound(VoxPath[8]); break;
case "9": num(tem_Value); sound(VoxPath[9]); break;
case " ": js(tem_Value); sound(VoxPath[10]); break;
case "-": js(tem_Value); sound(VoxPath[11]); break;
case "*": js(tem_Value); sound(VoxPath[12]); break;
case "/": js(tem_Value); sound(VoxPath[13]); break;
case "=": js(tem_Value); sound(VoxPath[14]); break;
case "C": Aclose(); sound(VoxPath[15]); break;
case "CE": ce(); sound(VoxPath[16]); break;
case "Back": backspace(); sound(VoxPath[17]); break;
case "%": bai(); sound(VoxPath[18]); break;
case "X": ji(); sound(VoxPath[19]); break;
case ".": dian(); sound(VoxPath[20]); break;
case " -":
{
zf();
if (Convert.ToInt32(textBox1.Text) > 0)//如果当前为正数
sound(VoxPath[21]);//实现正数发音
else
sound(VoxPath[22]);//实现负数发音
break;
}
case "Sqrt": kfang(); sound(VoxPath[23]); break;
}
textBox1.Select(textBox1.Text.Length, 0);
}
bool isnum = false;
double n1 = 0;
string fu = "";
double zong = 0;
bool isdian = false;
public void num(string n)
{
if (isnum == true)
{
if (textBox1.Text == "0.") { textBox1.Text = textBox1.Text n; }
else { textBox1.Text = n; }
isnum = false;
}
else
{
if (textBox1.Text == "0") { textBox1.Text = n; }
else
{
textBox1.Text = textBox1.Text n;
}
}
n1 = Convert.ToDouble(textBox1.Text);
}
public void dian()
{
bool isfirst = isfloor();
if ((isnum == true) || (textBox1.Text == "0")) { textBox1.Text = "0."; }
if ((isdian == false) && (isfirst == true))
{
textBox1.Text = "0.";
}
else if (isdian == false)
{
if (Convert.ToDouble(textBox1.Text) == 0) { textBox1.Text = "0."; }
else if (isfirst == true) { textBox1.Text = textBox1.Text; }
else { textBox1.Text = textBox1.Text "."; }
isdian = true;
}
}
public bool isfloor()
{
var int1 = Convert.ToDouble(textBox1.Text);
var int2 = Math.Floor(int1);
if (int1 > int2) { return true; }
else { return false; }
}
public void ce()
{
zong = Convert.ToDouble(textBox1.Text);
textBox1.Text = "0";
isnum = true;
isdian = false;
}
public void Aclose()
{
isdian = isnum = false;
ce();
fu = tem_base = "";
zong = n1 = 0;
}
public bool isxiao(double n)
{
double int1 = Convert.ToSingle(n);
double int2 = Math.Floor(int1);
if (int1 > int2) { return true; }
else { return false; }
}
string tem_base;
public void js(string s)
{
double lin = Convert.ToSingle(n1);
if ((s == "=") && (fu == "="))
{
if ((tem_base == " ") || (tem_base == "-") || (tem_base == "*") || (tem_base == "/"))
{
zong = eval(zong , tem_base , lin);
if (isxiao(zong) == true) { textBox1.Text = Math.Round(zong, 4).ToString(); }
else { textBox1.Text = zong.ToString(); }
}
}
else if ((fu == "=") && (s == ("*") || s == ("/") || s == (" ") || s == ("-")))
{
if (isxiao(zong) == true) { textBox1.Text = Math.Round(zong, 4).ToString(); }
else { textBox1.Text = zong.ToString(); }
tem_base = fu;
fu = s;
}
else
{
if (isnum && fu != "=")
{
if (" " == fu)
zong = eval(zong , fu , lin);
else if ("-" == fu)
zong = eval(zong , fu , lin);
else if ("/" == fu)
zong = eval(zong , fu , lin);
else if ("*" == fu)
zong = eval(zong , fu , lin);
else if ("" == fu)
zong = lin;
if (isxiao(zong) == true) { textBox1.Text = Math.Round(zong, 4).ToString(); }
else { textBox1.Text = zong.ToString(); }
tem_base = fu;
fu = s;
}
else
{
if (" " == fu)
zong = lin;
else if ("-" == fu)
zong = zong - lin;
else if ("/" == fu)
zong /= lin;
else if ("*" == fu)
zong *= lin;
else
zong = lin;
if (isxiao(zong) == true) { textBox1.Text = Math.Round(zong, 4).ToString(); }
else { textBox1.Text = zong.ToString(); }
tem_base = fu;
fu = s;
}
}
isnum = true;
}
public void bai()
{
textBox1.Text = ((Convert.ToDouble(textBox1.Text) / 100) * Convert.ToDouble(zong)).ToString();
isdian = false;
}
public void kfang()
{
if (textBox1.Text != "0" || textBox1.Text != "")
{
textBox1.Text = Math.Sqrt(Convert.ToDouble(textBox1.Text)).ToString();
isnum = true;
isdian = false;
}
}
public void zf()
{
double pp = Convert.ToDouble(textBox1.Text);
if (pp > 0) { textBox1.Text = "-" pp; }
if (pp < 0) { textBox1.Text = Math.Abs(pp).ToString(); }
}
public void ji()
{
double pp = Convert.ToDouble(textBox1.Text);
textBox1.Text = Convert.ToDouble(1 / pp).ToString();
isnum = true;
isdian = false;
}
public void backspace()
{
var bstr = textBox1.Text;
if (bstr != "0")
{
string isabs = (Math.Abs(Convert.ToDouble(bstr)).ToString());
if ((bstr.Length == 1) || (isabs.Length == 1))
{
textBox1.Text = "0";
isdian = false;
}
else { textBox1.Text = bstr.Substring(0, bstr.Length - 1); }
}
}
public double eval(double n1, string sign, double n2)
{
switch (sign)
{
case "-": return n1 - n2;
case " ": return n1 n2;
case "*": return n1 * n2;
case "/": return n1 / n2;
}
return 0;
}
private void panel1_Paint(object sender, PaintEventArgs e)
{
}
private void ToolS_Vox_Click(object sender, EventArgs e)
{
switch (Convert.ToInt32(((ToolStripMenuItem)sender).Tag.ToString()))
{
case 0:
{
Form2 Frm_2 = new Form2();
if (Frm_2.ShowDialog() == DialogResult.OK)
{
GetVox();
}
break;
}
case 1: Close(); break;
}
}
private void Form1_Load(object sender, EventArgs e)
{
GetVox();
}
private void pict_Back_MouseEnter(object sender, EventArgs e)
{
SetButton(sender, false);
}
private void pict_Back_MouseLeave(object sender, EventArgs e)
{
SetButton(sender, true);
}
public void SetButton(object sender, bool b)//b为false时变色
{
((PictureBox)sender).Image = null;
tem_Value = ((PictureBox)sender).AccessibleName;
switch (tem_Value)
{
case "0":
if (b)
((PictureBox)sender).Image = Properties.Resources._0;
else
((PictureBox)sender).Image = Properties.Resources._0_1;
break;
case "1":
if (b)
((PictureBox)sender).Image = Properties.Resources._1;
else
((PictureBox)sender).Image = Properties.Resources._1_1;
break;
case "2":
if (b)
((PictureBox)sender).Image = Properties.Resources._2;
else
((PictureBox)sender).Image = Properties.Resources._2_1;
break;
case "3":
if (b)
((PictureBox)sender).Image = Properties.Resources._3;
else
((PictureBox)sender).Image = Properties.Resources._3_1;
break;
case "4":
if (b)
((PictureBox)sender).Image = Properties.Resources._4;
else
((PictureBox)sender).Image = Properties.Resources._4_1;
break;
case "5":
if (b)
((PictureBox)sender).Image = Properties.Resources._5;
else
((PictureBox)sender).Image = Properties.Resources._5_1;
break;
case "6":
if (b)
((PictureBox)sender).Image = Properties.Resources._6;
else
((PictureBox)sender).Image = Properties.Resources._6_1;
break;
case "7":
if (b)
((PictureBox)sender).Image = Properties.Resources._7;
else
((PictureBox)sender).Image = Properties.Resources._7_1;
break;
case "8":
if (b)
((PictureBox)sender).Image = Properties.Resources._8;
else
((PictureBox)sender).Image = Properties.Resources._8_1;
break;
case "9":
if (b)
((PictureBox)sender).Image = Properties.Resources._9;
else
((PictureBox)sender).Image = Properties.Resources._9_1;
break;
case " ":
if (b)
((PictureBox)sender).Image = Properties.Resources.Add;
else
((PictureBox)sender).Image = Properties.Resources.Add1;
break;
case "-":
if (b)
((PictureBox)sender).Image = Properties.Resources.Decr;
else
((PictureBox)sender).Image = Properties.Resources.Decr1;
break;
case "*":
if (b)
((PictureBox)sender).Image = Properties.Resources.Ride;
else
((PictureBox)sender).Image = Properties.Resources.Ride1;
break;
case "/":
if (b)
((PictureBox)sender).Image = Properties.Resources.Remove;
else
((PictureBox)sender).Image = Properties.Resources.Remove1;
break;
case "=":
if (b)
((PictureBox)sender).Image = Properties.Resources.Amound;
else
((PictureBox)sender).Image = Properties.Resources.Amound1;
break;
case "C":
if (b)
((PictureBox)sender).Image = Properties.Resources.c;
else
((PictureBox)sender).Image = Properties.Resources.c1;
break;
case "CE":
if (b)
((PictureBox)sender).Image = Properties.Resources.ce;
else
((PictureBox)sender).Image = Properties.Resources.ce1;
break;
case "Back":
if (b)
((PictureBox)sender).Image = Properties.Resources.back;
else
((PictureBox)sender).Image = Properties.Resources.back1;
break;
case "%":
if (b)
((PictureBox)sender).Image = Properties.Resources.Hund;
else
((PictureBox)sender).Image = Properties.Resources.Humd1;
break;
case "X":
if (b)
((PictureBox)sender).Image = Properties.Resources.Deno;
else
((PictureBox)sender).Image = Properties.Resources.Deno1;
break;
case ".":
if (b)
((PictureBox)sender).Image = Properties.Resources.Dot;
else
((PictureBox)sender).Image = Properties.Resources.Dot1;
break;
case " -":
if (b)
((PictureBox)sender).Image = Properties.Resources.Bear;
else
((PictureBox)sender).Image = Properties.Resources.Bear1;
break;
case "Sqrt":
if (b)
((PictureBox)sender).Image = Properties.Resources.sqrt;
else
((PictureBox)sender).Image = Properties.Resources.sqrt1;
break;
}
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
}
}
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