Firing MouseLeftButtonDown event programmatically

c# wpf mouseleftbuttondown raiseevent
RajenK picture RajenK · Jun 13, 2010 · Viewed 20.1k times · Source

I'm trying to manually fire a MouseLeftButtonDown event on a WPF control programmatically, as I am using the Microsoft Surface SDK, which does not fire MouseLeftButtonDown events, but ContactDown events. Basically I'm trying to push the MouseLeftButtonDown event down to the control, to fire off the correct behavior on the control, while handling a ContactDown event.

I'm guessing I have to somehow use the RaiseEvent method on the control to do this with MouseButtonEventArgs, but I'm having some trouble figuring out the parameters.

Thanks in advance for your help!

Answer

devios1 picture devios1 · Jun 13, 2010

You can spoof mouse and key events using Win32 interop. Investigate the SendInput function on MSDN/pinvoke.net.

Note that this will cause the system and other applications to think the mouse was actually clicked. If you just want to initiate a WPF event, try RaiseEvent( new RoutedEventArgs( UIElement.MouseLeftButtonDownEvent ) ).

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