Bookmark: Raise event from a WPF User control

This blog is just for sample code keeping.

// UserControl1.xaml

<UserControl x:Class=”WpfApp1.UserControl1″

             xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation”

             xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml”

             xmlns:mc=”http://schemas.openxmlformats.org/markup-compatibility/2006″

             xmlns:d=”http://schemas.microsoft.com/expression/blend/2008″

             xmlns:local=”clr-namespace:WpfApp1″

             mc:Ignorable=”d” Background=”Red” Height=”186.646″ Width=”411.693″>

    <Grid>

        <Button Content=”Button” HorizontalAlignment=”Left” Margin=”80,72,0,0″ VerticalAlignment=”Top” Width=”75″ Click=”Button_Click”/>

    </Grid>

</UserControl>


// UserControl1.xaml.cs

namespace WpfApp1

{

    /// <summary>

    /// Interaction logic for UserControl1.xaml

    /// </summary>

    public partial class UserControl1 : UserControl

    {

        public event EventHandler MyButtonClick;

        public UserControl1()

        {

            InitializeComponent();

        }

        private void Button_Click(object sender, RoutedEventArgs e)

        {

            this.MyButtonClick(this, new EventArgs());

        }

    }

}


// UserControl2.xaml

<UserControl x:Class=”WpfApp1.UserControl2″

             xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation”

             xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml”

             xmlns:mc=”http://schemas.openxmlformats.org/markup-compatibility/2006″

             xmlns:d=”http://schemas.microsoft.com/expression/blend/2008″

             xmlns:local=”clr-namespace:WpfApp1″

             mc:Ignorable=”d”

             d:DesignHeight=”450″ d:DesignWidth=”800″ Background=”Green”>

    <Grid>

    </Grid>

</UserControl>

// MainWindow.xaml

<Window x:Class=”WpfApp1.MainWindow”

        xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation”

        xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml”

        xmlns:d=”http://schemas.microsoft.com/expression/blend/2008″

        xmlns:mc=”http://schemas.openxmlformats.org/markup-compatibility/2006″

        xmlns:local=”clr-namespace:WpfApp1″

        mc:Ignorable=”d”

        Title=”MainWindow” Height=”450″ Width=”800″>

    <Grid x:Name=”MyGrid”>

        <local:UserControl1 x:Name=”userControl1″ HorizontalAlignment=”Left” Height=”100″ Margin=”99,62,0,0″ VerticalAlignment=”Top” Width=”242″ MyButtonClick=”UserControl1_MyButtonClick” />

    </Grid>

</Window>

// MainWindow.xaml.cs

namespace WpfApp1

{

    /// <summary>

    /// Interaction logic for MainWindow.xaml

    /// </summary>

    public partial class MainWindow : Window

    {

        private void UserControl1_MyButtonClick(object sender, EventArgs e)

        {

        

        }

    }

}