利用System.Media来做声音提醒

本文介绍如何使用C#中的System.Media命名空间来实现简单的声音提醒功能。通过几个示例按钮触发预定义的声音效果,如嘟嘟声、惊叹号声等,适用于应用程序中错误提示或特殊事件的通知。

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利用System.Media来做声音提醒


呵呵,比如输错文字,提醒一下:)
using System.Media;

private void buttonBeep_Click(object sender, EventArgs e)
{
  SystemSounds.Beep.Play();
}

private void buttonExclamation_Click(object sender, EventArgs e)
{
  SystemSounds.Exclamation.Play();
}

private void buttonAsterisk_Click(object sender, EventArgs e)
{
  SystemSounds.Asterisk.Play();
}

private void buttonQuestion_Click(object sender, EventArgs e)
{
  SystemSounds.Question.Play();
}

private void buttonHand_Click(object sender, EventArgs e)
{
  SystemSounds.Hand.Play();
}  

我如何让计算器的界面随着窗口边框的拖动而自动缩放?附上我的代码:using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; namespace Calculator { /// <summary> /// MainWindow.xaml 的交互逻辑 /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } //private void textBox1_TextChanged(object sender, TextChangedEventArgs e) //{ //} private string Operate = null; //当前进行的运算 private double? StoredValue = null;//当前运算前的储存值 private void bnum_Click(object sender, RoutedEventArgs e) //获取数字并展示 { Button btn = sender as Button; var number = (string )btn.Content; this.Display.AppendText(number ); } private void Operator_Click(object sender, RoutedEventArgs e) //获取运算符并清屏 { Button btn = sender as Button; var number = (string)btn.Content; this.Operate = number; StoredValue = Convert .ToDouble( this.Display.Text); this.Display.Clear() ; } private void bclear_Click(object sender, RoutedEventArgs e) //C键复位 { Operate = null; StoredValue = null; this.Display.Clear(); } private void bequal_Click(object sender, RoutedEventArgs e) //等于 { var SecValue = Convert.ToDouble(this.Display.Text); switch (Operate) { case "+": this.Display.Text = (StoredValue + SecValue).ToString(); break; case "-": this.Display.Text = (StoredValue - SecValue).ToString(); break; case "×": this.Display.Text = (StoredValue * SecValue).ToString(); break; case "÷": this.Display.Text = (StoredValue / SecValue).ToString(); break; default : break; } } } }
03-21
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