WPF: Figuring out whether a MouseBinding is a single click or double click

Question

Im using Mousebindings in my view to listen to user clicks like this:

<Path.InputBindings>
            <MouseBinding Gesture="LeftDoubleClick" Command="{Binding DoubleLeftClickProj}" />
            <MouseBinding Gesture="LeftClick" Command="{Binding SingleLeftClick}"/>
</Path.InputBindings>

I only need one of the mouse gestures at a time. So if I double click on my application I want to ignore the single left click mousebinding. Possibly like waiting 1-2sec after the initial mouseclick then decided which should be called. Is there a simple way of doing this?

score 1 · Accepted Answer · edited May 23 '17 at 11:44

I got it working the following way (I used a Button to test it, you'll have to adapt it).

Use Event Handlers

<Button MouseDoubleClick="Button_MouseDoubleClick" Click="Button_Click"></Button>

store the DataContext in a static variable

private static object context;
public MainWindow()
{
    InitializeComponent();
    DataContext = new ViewModel();
    context = DataContext;
}

Adapt this code (I mainly got it from https://stackoverflow.com/a/971676/4792869)

private static DispatcherTimer myClickWaitTimer =
new DispatcherTimer(
    new TimeSpan(0, 0, 0, 1),
    DispatcherPriority.Background,
    mouseWaitTimer_Tick,
    Dispatcher.CurrentDispatcher);

private void Button_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
    // Stop the timer from ticking.
    myClickWaitTimer.Stop();

    ((ICommand)DataContext).Execute("DoubleLeftClickProj");
    e.Handled = true;
}

private void Button_Click(object sender, RoutedEventArgs e)
{
    myClickWaitTimer.Start();
}

private static void mouseWaitTimer_Tick(object sender, EventArgs e)
{
    myClickWaitTimer.Stop();

    // Handle Single Click Actions
    ((ICommand)context).Execute("SingleLeftClick");
}

WPF: Figuring out whether a MouseBinding is a single click or double click

1 Answers1