xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="CodePlayback" Height="300" Width="300"
xmlns:local="clr-namespace:SoundAndVideo">
Play
Stop
Pause
Volume:
Balance:
Speed:
Seek To:
ValueChanged="sliderPosition_ValueChanged">
//File:Window.xaml.cs
using System;
using System.Collections.Generic;
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.Shapes;
using System.Windows.Media.Animation;
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Data;
namespace SoundAndVideo
{
public partial class CodePlayback : System.Windows.Window
{
public CodePlayback()
{
InitializeComponent();
}
private void sliderSpeed_ValueChanged(object sender, RoutedEventArgs e)
{
media.SpeedRatio = ((Slider)sender).Value;
}
private void cmdPlay_Click(object sender, RoutedEventArgs e)
{
media.Play();
}
private void cmdPause_Click(object sender, RoutedEventArgs e)
{
media.Pause();
}
private void cmdStop_Click(object sender, RoutedEventArgs e)
{
media.Stop();
media.SpeedRatio = 1;
}
private void media_MediaOpened(object sender, RoutedEventArgs e)
{
sliderPosition.Maximum = media.NaturalDuration.TimeSpan.TotalSeconds;
}
private void sliderPosition_ValueChanged(object sender, RoutedEventArgs e)
{
media.Pause();
media.Position = TimeSpan.FromSeconds(sliderPosition.Value);
media.Play();
}
}
public class TimeSpanConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter,System.Globalization.CultureInfo culture)
{
try
{
TimeSpan time = (TimeSpan)value;
return time.TotalSeconds;
}
catch
{
return 0;
}
}
public object ConvertBack(object value, Type targetType, object parameter,System.Globalization.CultureInfo culture)
{
double seconds = (double)value;
return TimeSpan.FromSeconds(seconds);
}
}
}