Interactivity Libraries for Windows Store App

<Page
    x:Class="App1.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:App1"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:i="using:Uhimania.Libraries.Windows.Interactivity"
    mc:Ignorable="d">

    <Page.DataContext>
        <local:ViewModel />
    </Page.DataContext>
    
    <Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
        <Button Content="click">
            <i:Interaction.Triggers>
                <i:EventTrigger EventName="Click">
                    <i:InvokeCommandAction Command="{Binding Path=ShowMessageCommand}"
                                           CommandParameter="foo" />
                </i:EventTrigger>
            </i:Interaction.Triggers>
        </Button>
    </Grid>
</Page>