Stopwatch Function - User Break Time Length
Jan 18, 2012
I'm currently trying to code a program which basically uses the stopwatch function to time the length of the users break. Basically when I work at home I want to allow my self 4% of my shift length in personal breaks.
So far I have
Public Class Form1
Dim elpsTmr As New Stopwatch
Dim ts As TimeSpan = elpsTmr.Elapsed
Private Sub txtshiftlength_TextChanged(ByVal sender _
As Object, ByVal e As System.EventArgs) Handles txtshiftlength.TextChanged
[Code] .....
The only fields I don't have working are hard ones. I'm trying to figure out how to subtract the length of the last break used from the minutes allowed to take and display it in a text box to display how many minutes you have left to take. And also to work out how many minutes have been used since the program has been opened or reset.
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Nov 10, 2011
I have a control thread that starts up a secondary thread and when the secondary thread finishes, the control thread restarts the secondary thread. On this secondary thread, I use a stopwatch to record a thread.sleep event. Is there any reason, under any circumstance, why the stopwatch elapsed millisecond value (499) would be 1ms less than the sleep time (500 ms)This doesn't happen all the time or even a lot, I'm just curious if there is any physical reason for this to happen.
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Oct 23, 2007
I designing a stopwatch type OO program and am stuck on trying to figure out the split time function of a stop watch. I want to list the split times in a list box as the user presses the split button and also display the final split time when the user presses the stop button. I feel I'm real close but just can't get over the hump, especially trying to code in OOP. The rest of my program works fine (start, stop, elapsed time). I am programming in VB 2005 and will display my relative code from both the class and form areas.
[Code]...
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Sep 16, 2009
I have an application that has several stopwatches. I would like to be able to 'sync' a stopwatch with another at any given time. I tried setting the Elapsed time of one stopwatch to that of another stopwatch but I get that that property is 'read only'.
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Sep 25, 2011
ETA: Using Environment.TickCount does not present the same problem. ETA2: I should add that I don't actually use the Forms.Timer in my app - as this would negate the use of a high frequency timer. I've used it here to simplify the code. ETA3: I've published a workaround as an answer below. I'm having problems with the StopWatch class that I'm observing on a laptop with XP but not a different laptop with Win7. Here's the test code:
[Code]...
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Jul 27, 2010
I have a stopwatch that begins counting from "00:00:00" upon clicking Button2 (in UserInterfacefrm). When the user
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Mar 5, 2010
I have a StopWatch running, I convert the milliseconds to the following format. 00:00:00 i.e HH:MM:SS which is a label.
I can pause the the stopwatch and resume but I dont seem to be able to edit the stopwatchs time. So lets say my time says 00:00:02 , i now want to pause the program which I can, but also change the stopwatch time to 00:00:10 and resume counting.
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Jul 31, 2011
I have a stopwatch that counts down to zero from a random time set when the app loads. Now what I want to do is when that timer runs out and someone clicks reset it again is random rather than the same time as before. My code is
[Code]...
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Jun 9, 2011
I'm having trouble with a Stopwatch one one of the user's machines. I'm using the Stopwatch class to track time elapsed on one of my applications, and it seems to work fine on everyone else's machine, but on one machine it goes really slow. It's probably 1/3 or 1/4 of the actual time elapsed.
Here's the
I'm using the timer to update the textbox that displays the time elapsed of the stopwatch every second.
Partial Public Class
Private WithEvents breakTimer As New Timer
Private breakSW As New Stopwatch
[Code]....
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Jul 1, 2010
I have a program that allows a user to select a program to run at a certain time for a specific amount of time all choosen by the user. Everything works with the exception of if my program has launched the other program, my program become non-responsive. Meaning I am not able to look at that window again. Not that one really needs too, because when time is up my program closes the program it opened, then closes itself. I just want to be able to see my program when the other program is running. how to do this and perhaps drop me some links, that would be wonderful. This is what I have coded, but like I stated there are no code errors.
[Code]...
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Nov 22, 2010
I am writing a function that should sound a beep every two seconds until the user either clicks the mouse or presses any key. The code I have written appears to work for the mouse click, but it ignores keystrokes:
[Code]...
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Oct 5, 2011
So a timer's maximum interval is 1 which is a thousand ticks a second. A Stopwatch's frequency is 2238906 ticks a second on my pc...
I am wondering if there is a reliable way to trigger an event for each tick of the stopwatch without missing any ticks...
If I can somehow get a Tick event for the stopwatch, I believe I can increase the resolution of my input recorder....
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May 5, 2010
I have some songs in the resources of my application and want to get their time length so that I can set a timer to tick when the song ends. And then start the next song. I want to do that in my code, and get the time length of a song as an integer value.
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Sep 6, 2009
I have an ASP.NET application with a SQL Server back end. I am storing all my dates in UTC format and doing the appropriate conversions to the local time zone of the browser viewing it. One of the pages asks for a start date and end date (no times).
I am taking the start date and setting the time to 00:00:00 hours (midnight) and I'm taking the End time and adding a time of 23:59:59, so that the date range covers the whole day. Now what I'm trying to do is do a SQL query to do a search for records in this date range. The problem is, the data in SQL is in UTC time and the user is typing their dates and times in their local date and times. My quickest solution was to convert the date and time to UTC, then search the records. However, by doing this, I am to believe ASP.NET converts the given time and date to UTC based on the server time zone. How can I convert a date and time to UTC time based on the time zone of the user?
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May 11, 2012
So I have some vb.net code, and I have a nested For loop inside a For loop, and then I have EXIT FOR statement, will it break out of one loop, or the whole chain?
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May 9, 2009
As a non .net programmer I'm looking for the .net equivalent of the old vb function left(string, length). It was lazy in that it worked for any length string. As expected, left("foobar", 3) = "foo" while, most helpfully, left("f", 3) = "f".
In .net string.Substring(index, length) throws exceptions for everything out of range. In Java I always had the Apache-Commons lang.StringUtils handy. In Google I don't get very far searching for string functions.
Edit:@Noldorin - My first encounter, although it took me several seconds to do the same in c#:
[Code]...
Note the static class and method as well as the this keyword. Yes, they are as simple to invoke as "foobar".Left(3). See also c# extensions on msdn.
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Apr 18, 2012
I need to hash a number (about 22 digits) and the result length must be less than 12 characters. It can be a number or a mix of characters, and must be unique. (The number entered will be unique too). For example, if the number entered is 000000000000000000001, the result should be something like 2s5As5A62s. I looked at the typical, like MD5, SHA-1, etc., but they give high length results.
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Feb 13, 2012
Consider the Statement:
Dim pstr As String
FileOpen(2, pfilepath, OpenMode.Input)
pstr = LineInput(2)
pstr = pstr.Substring(13, pstr.Length)
Label1.Text = pstr
FileClose(2)
And it is Giving me the following error:
Index and length must refer to a location within the string. Parameter name: length.
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Nov 12, 2009
-new Dell laptop without a Break key.
-VB6 and VS2008 IDEs use Ctrl+Break to pause execution for debugging.
-I need a way to map another key combination to trigger a Ctrl+Break
My setup may make this easier or harder but to be clear I am running Kubuntu 9.10 (latest stable) and WinXP in a VirtualBox VM. Obviously all VB6/VS2008 dev is taking place in the virtual machine.So maybe it's possible to have the linux host send through Ctrl+Break based on a key mapping, or maybe it's possible to remap directly in WinXP. I'd settle for any solution as atm I need to use the XP On-Screen keyboard to send a Ctrl+Break.
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Dec 16, 2011
I am using windows 2008 R2 Server and trying to Add a user in active directory .
I am able to save user ID of length less than 20 Characters.But when I am trying to increase this value to 30 characters then I am getting the error.
"System.DirectoryServices.DirectoryServicesCOMException (0x8007001F): A device attached to the system is not functioning. (Exception from HRESULT: 0x8007001F)"
This error when I searched on net give me various links saying that:
(a)verify if the issue is caused by the length of sAMAccountName
(b)The document of SAM-Account-Name also indicates that the length of it should be less than 20 characters.
I am using the code below to add user in Active Directory
public static void AddUser(ADUser adUser)
{
if (_logger.IsDebugEnabled)
[Code]....
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Nov 24, 2009
The Now() function in VB.NET returns date and time which is different from the system time that I see on the right-bottom on the notification bar. It is 15 hours slower than the system time. Has anyone ever met this problem? I'm using .NET 2.0.
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Apr 27, 2009
What will happen when 3 function calls same function at a time? I have 3 Function, f1,f2,f3.. Those function after completing their task will call finish() function. What will happen if Finish is Called morethan once..
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May 4, 2011
I need to create a function named isValid to validate some criteria, text length character content. have validated length but i need to validate at least one Uppercase letter and one number is used(minimum) i was thinking of using a loop to check each character individually. thats probablly where i go wrong i, i often convolute the simple and keep heading of track.
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Jan 24, 2012
I'm using
Days = Dat2.Subtract(Dat1).Days
where
Dat2 = today
Dat1 = installed date
to trace the days of a program installed in user's computer.However, the user can changes the system time of his computer to a advancing date. How can I get a SNTP time from internet to solve this problem?
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Mar 23, 2010
One the click of a button the stopwatch starts, then on the click of a second button the stopwatch stops then states either in a msgbox the time taken between the two button clicks.
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Aug 12, 2009
I am trying to implement a controlling design logic that prompts the user for a length and the area to calculate until he or she enters a number less than zero in the length to end.So far I have it where I believe it�s doing the calculations but it�s not ending when I input a number less than zero or zero.
Sub Main()
' Declare Length As Float
Dim Length As Double
' Declare s, c, t As Float
[code]....
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Nov 20, 2009
im trying to make a a rogram that will calculate the area of a rectangle based on the lenght and
width given by the user
[code...]
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Jul 25, 2011
I have a oracle database. I use the OracleDataAdapter(Oracle.DataAccess.dll) for select, update, insert, delete operations. I don't set any (table) locks on my own(I only start a transaction). I have a oracle table named "test" with the entry "test1".
Now my question: Can Person A read the entry "test1" while Person B is updating/deleting the entry at the exact same time? What happens in the worst case? An old match/empty match or can it cause any kind of exception/error(e.g. "TableLocked-Exception")?
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Sep 25, 2009
writing user info such as user, computer name, date, and time to an acces database using a button click event. Then use a query to check if the user has accepted the aggreement. If the user has accepted the aggreement then call a vb.exe that display the aggrement. I have a login script that runs the vb.exe and uses a button click that records the user info to a csv file, but if the user has already agreed to the policies I do not want it run again.
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May 31, 2012
I thought I postet this yesterday but I can't find my thread so if this is a duplicate please point me at the original one. Background: I need to create a user account and Modify it's registry before the user logs on the first time. Creating the account is done by using the Winnt provider (works great). To create the profile I'm trying to use Process.start to launch a process as the newly created user. With the use of loaduserprofile property the users profile gets created and i can do my regwrites without problem.
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