How to implement a long press event on wpf control?

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I want to implement a press and hold event for a wpf Usercontrol(here am using toggle button, want to implement on this), i am implementing a copy function with this event fired... am using in C# wpf application.... please suggest me a good way to do this...

Posted 29-Dec-14 5:50am

Ranjith Mameras

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Sergey Alexandrovich Kryukov 29-Dec-14 12:08pm

This is pretty simple, but you have to explain: press on what? :-)
The hint: you can use a timer. It's interval should define what is "long enough".
—SA

Ranjith Mameras 29-Dec-14 13:11pm

yes i want to press and hold after some time interval there should be an event occured, there i can implement my functionality.

Thanks for you reply Sergey

Kornfeld Eliyahu Peter 29-Dec-14 13:51pm

You didn't answered SA...Press of what? Key? Mouse?

Sergey Alexandrovich Kryukov 29-Dec-14 14:37pm

Just do it. Use the timer.
—SA

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Sergey Alexandrovich Kryukov · Accepted Answer · 2014-12-29T09:53:00

Some more hints:

Use this timer type: http://msdn.microsoft.com/en-us/library/system.windows.threading.dispatchertimer%28v=vs.110%29.aspx[^].

Wind up the timer on the initial press and use only one tick, then stop the timer (http://msdn.microsoft.com/en-us/library/system.windows.threading.dispatchertimer.stop(v=vs.110).aspx[^]). Set the property Interval (http://msdn.microsoft.com/en-us/library/system.windows.threading.dispatchertimer.interval(v=vs.110).aspx[^]) to the time which you consider to be a time of a "long press".

Create your own even type arguments representing "long press" even. Declare the event instance in some of your UI element class; invoke this event in your handler of the timer tick event (http://msdn.microsoft.com/en-us/library/system.windows.threading.dispatchertimer.tick(v=vs.110).aspx[^]).

The logic, which is pretty simple, is on you.

—SA