Use Window Activated and Deactivated event to control a media file
<Window x:Class="CustomMediaPlayerWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Custom Media Player"
Activated="window_Activated"
Deactivated="window_Deactivated"
Closing="window_Closing">
<DockPanel>
<Menu DockPanel.Dock="Top">
<MenuItem Header="_File">
<MenuItem Header="_Exit" Click="exitMenu_Click" />
</MenuItem>
</Menu>
<StackPanel DockPanel.Dock="Top" Orientation="Horizontal" HorizontalAlignment="Center">
<Button Name="playButton" Click="playButton_Click">Play</Button>
<Button Name="clickButton" Click="stopButton_Click">Stop</Button>
</StackPanel>
<MediaElement Stretch="Fill" Name="mediaElement" LoadedBehavior="Manual" Source="numbers.wmv" />
</DockPanel>
</Window>
//File:Window.xaml.cs
using System;
using System.ComponentModel;
using System.Windows;
public partial class CustomMediaPlayerWindow : Window
{
public CustomMediaPlayerWindow()
{
InitializeComponent();
}
bool isMediaElementPlaying;
void playButton_Click(object sender, RoutedEventArgs e) {
this.mediaElement.Play();
this.isMediaElementPlaying = true;
}
void stopButton_Click(object sender, RoutedEventArgs e)
{
this.mediaElement.Stop();
this.isMediaElementPlaying = false;
}
void window_Activated(object sender, EventArgs e)
{
if( this.isMediaElementPlaying ) this.mediaElement.Play();
}
void window_Deactivated(object sender, EventArgs e)
{
if (this.isMediaElementPlaying) this.mediaElement.Pause();
}
void exitMenu_Click(object sender, RoutedEventArgs e)
{
this.Close();
}
void window_Closing(object sender, CancelEventArgs e)
{
if (this.isMediaElementPlaying)
{
e.Cancel = true;
}
}
}
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