Run Timer Inside Module
Sep 8, 2009Is it possible to run a timer inside of a module? [Code] When I try to debug the application, I get the following error. "Object variable or With block variable not set" Any solutions?
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Call Label Textbox Inside Module?
Oct 15, 2011im trying to do something like this
Module module1
public sub()
dim a as string[code]....
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May 20, 2009I wand to Expose a function inside a module in my Class Liberary( DLL)
module Module1
Public Function Add(val1 , val2) as double
return val1 + val2
End Function
End Module
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Nov 25, 2009I've got a console app with a sub main then i have a seperate class inside the module..i can't seem to update the public global variable from inside the class as i can't declare the variable as shared...
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May 13, 2009I have a module1.vb that contains a public sub, for example
Public Sub LogEvent(ByVal strIn As String)
Dim objLogFile As Object
objLogFile = frmEventLog.txtLog
[code].....
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Mar 12, 2012I'm just trying to figure out how to use a Timer inside a Page that is using the NavigationService. Here is what I have:
Public Class SplashPage
Inherits Page
Public Sub New(ByVal oData As Object)
StartTimer(5000)
[code]....
The NavigationService.CanGoBack statement is causing the error message: "The calling thread cannot access this object because a different thread owns it."
Check The State Of A Certain Key But Only Inside Timer Event?
Sep 14, 2009I want to check the state of a certain key, but only inside timer event. So my sub will be something like.......
Private Sub Timer2_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer2.Tick
Need code here along the lines of an old fashioned... 'If Input="Q" then......"
End Sub
I'm not sure how to check for keyboard input except for inside a 'Keydown' event.
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Jan 13, 2010I want to use a Progress Bar with a Timer inside a BttonClick event.
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Dec 3, 2010I am trying to make a timer, inside of a class, tick, by calling it from a backgroundworker. It never ticks (the Tick event is never raised), but the Timer shows as Enabled (with Interval set to 1).
Here is the simplified
Class1.vb
vb.net
Public Class Class1
[Code]....
If I move the code inside the Thread1_DoWork procedure into the Button1_Click procedure, the code works fine (by bypassing the backgroundworker). But, when it is called inside of the backgroundworker, it doesn't work at all.
Calling .dll Method From Inside A Timer Won't Work(Console Application)?
Nov 26, 2009I have a .dll file (Interop.ACTMULTILib.dll) that I use to connect to a PLC. This .dll contains a sub called ReadDeviceBlock2(byval devicename as string, byval size as integer, byref data as short). When I call this method in my main it works fine, if I call it from another method that was called by main it works as well.However, it doesn't work when I call it from my Timer_Elapsed sub? I guess this has to do something with threads but I can't figure it out.
Module Main
Private Timer As New System.Timers.Timer
Private PLC As New ACTMULTILib.ActEasyIF
Private DataSet As new DataSet[code].....
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Dec 14, 2010Basically I have 10 .png images.They contain a walk cycle I need to make some kind of loop inside a timer to make them change.
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Aug 16, 2010how we can declare a connectionstring in a module and call that module
View 1 Replies[VS 2010] Call A Module Into Another Module?
Apr 27, 2012I have a VB.Net interface that communicates with an Access 2k3 Database using this module:
Module MOD_ENGINE
'Declare Database connections controls
Dim con As New OleDb.OleDbConnection
Dim dbProvider, dbSource As String
[code]....
I want to call EngineConnect procedure from MOD_ENGINE module into popCboBox module so I can ignate the engine!
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Aug 2, 2010What I need to do to make this code work for hours as well?[code]...
View 6 Replies.net - Accurate Windows Timer - System.Timers.Timer() Is Limited To 15 Msec
Jan 15, 2009I need an accurate timer to interface a Windows application to a piece of lab equipment.I used System.Timers.Timer() to create a timer that ticks every 10 msec, but this clock runs slow. For example 1000 ticks with an interval of 10 msec should take 10 wall-clock seconds, but it actually takes more like 20 wall-clock sec (on my PC). I am guessing this is because System.Timers.Timer() is an interval timer that is reset every time it elapses. Since it will always take some time between when the timer elapses and when it is reset (to another 10msec) the clock will run slow. This probably fine if the interval is large (seconds or minutes) but unacceptable for very short intervals.Is there a function on Windows that will trigger a procedure every time the system clock crosses a 10 msec (or whatever) boundary?
UPDATE: System.Timers.Timer() is extremely inaccurate for small intervals.I wrote a simple program that counted 10 seconds several ways:
Interval=1, Count=10000, Run time = 160 sec, msec per interval=16
Interval=10, Count=1000, Run time = 16 sec, msec per interval=15
Interval=100, Count=100, Run time = 11 sec, msec per interval=110
Interval=1000, Count=10, Run time = 10 sec, msec per interval=1000
It seems like System.Timers.Timer() cannot tick faster that about 15 msec, regardless of the interval setting.Note that none of these tests seemed to use any measurable CPU time, so the limit is not the CPU, just a .net limitation (bug?)For now I think I can live with an inaccurate timer that triggers a routine every 15 msec or so and the routine gets an accurate system time. Kinda strange, but...I also found a shareware product ZylTimer.NET that claims to be a much more accurate .net timer (resolution of 1-2 msec). This may be what I need. If there is one product there are likely others.
Asp.net - Local Static Variables In Timer.Tick Event (Stopping A Timer)
Jul 9, 2009I have a timer on a page in ASP.NET.
After a certain period of time elapses, I want to disable the timer.
I want to put a static variable in the timers tick event that will track how many seconds have elapsed.
My question is, will this work?
If user X and Y are viewing the page will they both have separate local static variables?
What is the best method of shutting down an ASP.NET timer after a certain elapsed time?
Synchronize The Timer Event So That The Timer Executes From The Background Worker Thread?
Apr 23, 2009I have a windows application that need to process som quite time consuming jobs. In my first try i did all processing under
the form thread. The result was bad response and update of the form due to the heavy jobs.To get around the problem with bad response from the form i created a new class "processing" where i put all the data processing. Then i instanciated a background worker where i in the "doWork" sub created a new instance of "processing".The "processing" class creates a timer from system.timer, and the timer drives the processing.On the Timer event Elapsed the timer starts a new thread from the thread pool.
My problem is now when i want to asynchronously close the background worker (with the corresponding function call what ever it is called ...) there is still a timer thread out there that causes exceptions for me.
1. How can i close my background worker and at the same time have the timer to be stopped?
2. Is there a way to synchronize the timer event so that the timer executes from the background worker thread?
3. Is there a better approach for me to adapt?
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Jan 11, 2011I want to create an array of timer in vb.net. My problem is that how will i raise the tick event for a particular timer, say mytimer(x).tick and inside the tick event there is also a button, say mybutton(x) which changes location every interval. for example:
public class blah
dim mybuttons(20) as button
dim mytimer(20) as timer
private sub form_load(....) handles me.load
for x as integer = 0 to 20
[Code]...
i dont know what to do next, all i want is to pass the button mybuttons(x) to mytimer(x) tick event, in which their index number are the same. i want to create one timer per button. how to do that? please help me and post example codes. i've researched the net but i cant understand passing variables, addhandlers, etc. i'm just new to programming object oriented.
VS 2010 Incorporate The Timer So Once A Page Loads The Timer Activates?
Jul 4, 2011How can I incorporate the timer so once a page loads the timer activates, waits a few seconds then I tell my program what to do next.I tried this code but it didnt work:
Timer1.Interval = 5000
Timer1.Enabled = True
Timer1.Start()
[code]....
Timer And 64bit Processor - Timer That Doesn't Work?
Sep 30, 2010Everything is nice and dandy on my pc, then I compile, move it to its final destination and I doesn't work! At first I thought it was a OS problem, but both machines has win7, I then thought it was a compilation problem, installed visual studio on the other pc, recompiled still with no luck, then it dawned on me, may it be a problem of 32bit vs 64bit?The piece of code is this:[code]....
By the way is not a problem of mouse_event, is the timer that doesn't work
Timer Control In VB - When I Click Outside Of The Form, The Timer Stops?
Mar 24, 2009I have a timer in vb.net and it's interval is 1000ms ,. i have placed in it's timer_tick event a code that will print screen the screen and save it to a database.The problem is when i click outside of the form, or loosing the focus of the mouse to the form containing that timer/printscreen, the timer stops. As a result the printscreen also stops.here are it's properties:
generate member = true
interval = 1000
modifiers = friend
.net - Systems.timer.timer Unwanted Multithreading?
Jul 14, 2011I recently switched my code from using the windows.forms.timer to the systems.timer.timer and it has resulted in a multithreading error. I'm using the timer to trigger just one event so multithreading shouldn't be an issue. To give more detail I have implemented the timer at follows:
At the top of the class I have: Private Shared timr1sec As System.Timers.Timer
When the program loads (Private Sub Test_load):
timr1sec = New System.Timers.Timer(1000)
AddHandler timr1sec.Elapsed, AddressOf OnTimedEvent
In OnTimedEvent I call several subroutines, and write some data to the screen using a ListView object.VisualExpress throws the multithreading error on the last line of this code, which is in OnTimedEvent
[Code]...
Timer In A Thread - Routine Which Is Controlled By A Timer
Aug 13, 2010I have a routine which is controlled by a timer. It works perfectly. The problem is that now, I need to run this routine several times, so I need to start differents threads so that my program doesn't get hung up. I've been trying to start my timer inside a thread, but it doesn't work!
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Nov 6, 2009VB6 create object of timer instead of timer control
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Apr 6, 2009Is it possible to use a timer to delay code? For example:
[code]...
Get Text Inside Double Quotation Marks Which Are Inside A Textbox?
Sep 5, 2010So, I have a textbox with the following text.
Code:
TITLE"Hello there"
blah blah blah etc...
I want my program to find the TITLE text, and then put the text in the double quotations in a variable.
Handle Value Change Of Control Inside UserControl Inside FlowLayoutPanel?
Apr 30, 2012I am making an invoicing application. I have a label (lblCost) inside of a UserControl (InvoiceEntry) inside of a FlowLayoutPanel (pnlEntries). InvoiceEntry represents a line item on the invoice, and pnlEntries is the "body" of the invoice. pnlEntries can hold several InvoiceEntry controls.
I am attempting to sum all of the lblCost values from each InvoiceEntry control to make a subtotal, and I want that subtotal to change automatically if costs are changed (e.g., a change in quantities being ordered). Is there a way to handle when the lblCost.Text property of any of the InvoiceEntry controls contained within pnlEntries changes?
InvoiceAdd.vb:
' Instantiate objects of the various database interaction classes.
Private mCustomer As New Customers
Private mItem As New Items
[code]....
Open And See Data Inside A .ISO Bin File From Inside An Application
Mar 30, 2010im new to coding (started coding last month) so im a little stuck on how to do this, im making some emulation programs to learn coding with, and a part of it is to point the app to a .iso/.bin file and scan the data inside of the iso/bin to check if a file exists.[code]My issue is i cant find any class examples, or any information etc on how to code it so my application can see the data inside of the iso/bin instead of just see'ing the iso/bin file, so that i can then check the data inside the iso to see if the file exists etc.Im a novice still at coding so making a new class myself to look inside the iso/bin is to complex for me.
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Mar 15, 2009I already created a button "enjoy button" that i want to move in a form when the "timer start button" is clicked.how do link the timer to the"timer start button" and make it move? this is what i tried so far..then am blank first
Quote:
Private Sub MainForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Me.xTimer.Enabled = False
xTimer.Interval = 10[code].........