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Media Player in C# and WPF

aditya behara asked:

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Hi,

I want to have a media player in my application.

It should play audio and video files.
I have already created one.

But it does not play audio or video.
It complies perfectly and also executes,but I get no output.
Can any one help me? I am also posting my code.
Tell me what changes I need to incorporate in my current project so that it works fine.


Further in some blogs I have found that I require to have media player 10 and above.
I have MP 11 installed on my system. But still it is not giving me any output.
Thanks in advance.
C# Coding

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;
using System.Windows.Forms;

namespace MediaPlayer
{
    /// <summary>
    /// Interaction logic for Window1.xaml
    /// </summary>
   public partial class MainWindow : Window
    {
        
        
        #region Constructor
        public MainWindow()
        {
            InitializeComponent();
            IsPlaying(false);
        }
        #endregion



    //****************************************** 
    #region IsPlaying(bool)
	private void IsPlaying(bool bValue)
	{
	btnStop.IsEnabled = bValue;
    btnMoveBackward.IsEnabled = bValue;
	btnMoveForward.IsEnabled = bValue;
    btnPlay.IsEnabled = bValue;
    }
    #endregion
    //***************************************
    
    #region Open Media
	private void btnOpen_Click(object sender, RoutedEventArgs e)
	{
	    OpenFileDialog ofd = new OpenFileDialog();
        ofd.Filter = "Audio and Video (*.mp3,*.wav,*.mpeg,*.wmv,*.avi)|*.mp3;*.wav;*.mpeg;*.wmv;*.avi"; // Filter files by extension
	    if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
	    {
	        MediaEL.Source = new Uri(ofd.FileName);
            btnPlay.IsEnabled = true;
	    }
	}
	#endregion

    //***************************************

      private void btnPlay_Click(object sender, RoutedEventArgs e)
      {
        IsPlaying(true);
        if (btnPlay.Content.ToString() == "Play")
	    {
	        MediaEL.Play();
	        btnPlay.Content = "Pause";
	    }
	    else
	    {
	        MediaEL.Pause();
	        btnPlay.Content = "Play";
	    }
     }
    
    //***************************************
    #region Stop
	private void btnStop_Click(object sender, RoutedEventArgs e)
	{
	    MediaEL.Stop();
	    btnPlay.Content = "Play";
	    IsPlaying(false);
	    btnPlay.IsEnabled = true;
	}
	#endregion
    //***************************************

        private void btnMoveBackward_Click(object sender, RoutedEventArgs e)
        {
            MediaEL.Position = MediaEL.Position + TimeSpan.FromSeconds(10);
        }

        private void btnMoveForward_Click(object sender, RoutedEventArgs e)
        {
            MediaEL.Position = MediaEL.Position - TimeSpan.FromSeconds(10);
        }


    }
}



XAML Coding
<pre lang="xml"><Window x:Class="MediaPlayer.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="226*" />
            <RowDefinition Height="36*" />
        </Grid.RowDefinitions>
        <MediaElement x:Name="MediaEL" Grid.RowSpan="1" LoadedBehavior="Manual" UnloadedBehavior="Close" />
        <StackPanel Orientation="Horizontal" Grid.Row="1" HorizontalAlignment="Center">
            <Button x:Name="btnPlay" Content="Play" Click="btnPlay_Click"
                    Width="50" Height="25"/>
            <Button x:Name="btnStop" Content="Stop" Click="btnStop_Click"
                        Width="50" Height="25"/>
            <Button x:Name="btnMoveBackward" Content="Back" Click="btnMoveBackward_Click"
                        Width="50" Height="25"/>
            <Button x:Name="btnMoveForward" Content="Forward" Click="btnMoveForward_Click"
                    Width="50" Height="25"/>
            <Button x:Name="btnOpen" Content="Open" Click="btnOpen_Click"
                    Width="50" Height="25"/>
        </StackPanel>
    </Grid>
</Window

>

Tags: C#, Visual-Studio (VS2008, VS2010), WPF

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