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Questions tagged [dispatchertimer]

DispatcherTimer is a .Net class that provides timers that are integrated into the Dispatcher queue which is processed at a specified interval of time and at a specified priority.

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Fade with a DispatcherTimer

In my uwp project i have 3 different color overlays on pictures (Green, yellow and red). These colors are supposed to indicate if a Room (In this case the room is a picture) is booked or not. If the room is booked it should fade out the green color…
luddep
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how to unsubscribe an event with parameter(s)?

In my WPF program, I need to set aircraft failure for a flight simulation software. For example, if I click "Fire Engine 1" button on MainWindow, private DispatcherTimer DT; private void button_Engine_1_On_Fire(object sender,…
Jeff
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Wpf Dispatcher timer going erratic

I have a dispatcher timer which has to act like a heartbeat every 500ms and write on a register on an anybus. I have set it with maximal priority: m_HeartBeatTimer = new DispatcherTimer(DispatcherPriority.Render); the problem is that when program…
Luca
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Dispatcher Timer hangs the UI of WPF Application

From the MainWindow I launch another window with two buttons and a label. The purpose is to use the label as a time counter from 30 to 0. Basically the application waits for user to press any of the buttons within 30 seconds. If any of them is…
The King
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Dispatchtimer between buttonpresses

I'm working on school project with the windows iot C# development sdk, everything is working great so far but now i have two events that need to be triggered after 3seconds and 7seconds. But i can't get it to work, i've been breaking my head over…
Jeroen
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How to execute certain function for every 5 minutes?

I'm building a EA (Expert Advisory) for my trading, i wonder how can i set the function to execute the order 5 minutes later if the 1st order is executed. The problem in my current code is, once it meet the requirement, it will keep placing the same…
DouglasQ
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WPF control retained in memory due to DispatcherTimer EventHandler

Yo One of my WPF control is retained in memory due to one of its private member. The incriminate member is a DispatcherTimer and the retention is because of the Tick event handler. (This leak was detected with help of the tool ANTS Memory…
Patrick
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Using ThreadPoolTimer with Background Audio UWP

I am making a UWP app using the BackgroundAudioTask. My app is working very well. Now I want to add in a TextBlock the Current position of the Audio played. I was doing this method before implementing the audio Task: private TimeSpan TotalTime; …
yalematta
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New DispatcherTimer gets created alongside old one, only new one should run

I ran into a problem the other day. I have found out why it's happening, but I've never had a run in with such a problem so I don't know how to solve it. I have an application where in the DashboardView (the main view) a DispatcherTimer is started…
Kailayla
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WPF app inactivity

I want my app do something when it is idling. For that I wrote this code, which works properly only when DispatcherTimer interval is less than 30 seconds, or my app is not active window. static DispatcherTimer mIdle; public static void…
Aagha
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Binding to property not working with DispatcherTimer

I have some TextBlock bound to a property with DependencyProperty. When a DispatcherTimer changes this property, the TextBlock does not update. Even in debugging, I can see that the property get updated, but TextBlock remains unchanged. Details: I…
omarmallat
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Showing a label for 3/5 seconds in wpf C# but after some click it doesn't stay that longer

I'm trying to show text in a label in wpf when a button is pressed and then hide after couple of seconds. I know there are answers of this, but my problem is different. I used these 2 ways for hiding the label: One //When the button is pressed …
user4962680
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how to show label for couple of seconds in wpf?

I want to show a label for 3 seconds only and then disappear it. I am working on a WPF application. public DispatcherTimer timer = new DispatcherTimer(); timer.Tick += new EventHandler(timer_Tick); I started timer from the function timer.Start();…
Dhaval Tejlavwala
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C# Reset a countdown timer-DispatcherTimer- in windows store app

I'm a C# newbie_and in programming in general_ and Ι'm trying to build a math quiz app with a countdown timer. I generate an equation each time the user clicks the start button and I give him a max 60 seconds to answer. The user answers -whether his…
D3v
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WPF DispatcherTimer skips in intervals when restarted

I've been struggling with this for the last few days and am hoping that you all can help me out. I'm creating a WPF timer application and am using DispatcherTimer in order to count upwards in minutes to track time. When I start the timer initally,…
Atarinerd80
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