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.
Questions tagged [dispatchertimer]
216 questions
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C# how to resume code when DispatcherTimer stops
So I have a class containing a function that can check whether an element in a website changes (In my example code this is class B). I also have multiple classes that need to use this function to see whether there is a change in a web element and…

uRThow
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Timer Stops When Phone Goes Into Airplane Mode, Won't Restart After Leaving AM
OK. Looked through the possible answers, but I don't see my issue here.
I have a fairly bog-standard GCD repeating timer:
class RepeatingGCDTimer {
/// This holds our current run state.
private var state: _State = ._suspended
/// This…

Chris Marshall
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WPF Application DispatcherTimer not working correctly (lag)
I have been trying to run a very simple application that moves a 20 by 20 pixel square 20 pixels to the right on a canvas every second. I am using a dispatchertimer to fire the event every second.
The problem is that the square doesn't move to the…

Supahotfire420
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Set the duration of a timer function UWP C#
I have an app which moves a car through specified locations on a map control. I'm using below code to achieve this functionality. But now I want to set a duration for this. I mean the car should reach at a particular time from start to endpoint. How…

nsds
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Call a timer function after executing another function - UWP C#
I want to call a timer function only after executing a function PreCalculateAsync(). Now timer is calling every 30 milliseconds. But initially I want to execute PreCalculateAsync function. How can I achieve this?
My code :
public…

user2431727
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2 answers
WPF - A more accurate Timer
I'm new to CS and WPF. I'm going to get a DateTime object and set it as the beginning of my timer. But I used DispatcherTimer.Tick. I can feel it inaccurate with a little care and playing with window controls. It apparently its in a single thread…

Phree
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How to wait until DispatcherTimer is stopped?
I have a DispatcherTimer with a Tick event that is stopped after interval.
I stop the DispatcherTimer after amount of time in the tick event like this(using StopWatch):
private void DispatcherTimerTick(object sender, EventArgs e)
{
var…

KaliTheGreat
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How to work with Timer, when app is in background
Am calling one function for every 4 seconds using Timer
and if I tap on a button in the same viewController am navigating to google maps.
After navigating to google maps that function is not getting called
Here is by button action
@IBAction func…

Bhanuteja
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Make something happen if a specific time is left on DispatcherTimer
I'm currently working on a UWP project and need some help with my DispatcherTimer.
What I'm working with is a booking function and I want a color to change if there is 15 seconds left until the DispatcherTimer ticks.
I have two variables that is…

luddep
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Error when trying to hide columns straight after binding data to datagrid
So I have an XML file which I read in then display the data onto a DataGrid. Once I bind the DataView of the XML file to the ItemsSource of the datagrid I then attempt to hide the 4th column that will be created (it's an ID which I don't want to…

Chris Dworczyk
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Change timer at runtime c#
Iv'e created a timer using dispatcher time :
time = new DispatcherTimer();
time.Interval = new TimeSpan(0, 0, 0, 0, 80);
and I use it for the speed of an object.Each tick the objects moves 10 pixels.
I would like to know how to increase the speed…

Karoline
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combination of MouseDown and timer
I try to load a function like "holdFunction", during touching(MouseDown) and during at max 1 second .
So when user try to touch and hold for a second I have to call the function, and this isn't related to mouseUp.
Maybe I must to combine…

AliMajidiFard9
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DispatcherTimer ticking not working when started in ThreadPool.QueueUserWorkItem() method
I've created a TimerManager class for my WPF application.
This class handles the start and stop the dispatcher timer.
Here is the class:
public static class TimerManager
{
static DispatcherTimer disTimer;
static Model m =…

Dancs Berci
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The best way to run periodically function on C#
In my WPF application one of the assumptions is watching a folder to capture changes.
My first idea is:
DispatcherTimer dt = new DispatcherTimer();
dt.Tick += (senderTick, eTick) =>
{
// do observable folder
};
dt.Interval = new TimeSpan(0, 0,…

18666
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Creating stopwatch in WPF - time precison
I need to set up a stopwatch in my app. I tried to do it using dispatcher timer, with one millisecond interval. But, the clock runs at about the speed that it takes about ten seconds to count up to a second.
I assume that it is the threading…

Krepsy 3
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