Vb.net timer from my.settings

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1.00/5 (1 vote)

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Hello can someone help me out how to create this feature:
My.Settings.Time = 10 ( time integer user 10)

And i want when form load Timer1 is starting and reading from My.Settings.Time value
And to start countdown from that value to 0. When value become 0 to show msgbox(work).

Thats what i'm trying to do. To read from My.Settings the value and countdown from it.

What I have tried:

Form1_load
Timer1.Start()

Timer1_Tick:
<pre>Try
            Timer1.Interval = My.Settings.Time
            If My.Settings.Time = 0 Then
                MsgBox("Work")
                Timer1.Stop()
            End If
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try

Posted 24-Sep-20 7:36am

diablo22

Updated 24-Sep-20 8:56am

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Comments

ZurdoDev 24-Sep-20 13:45pm

Where are you stuck?

diablo22 24-Sep-20 13:46pm

i cannot manage to do it, my code above not work at all

ZurdoDev 24-Sep-20 13:48pm

Debug the code and find a specific issue you need help with.

diablo22 24-Sep-20 14:03pm

it doesnt countdown the value from settings

ZurdoDev 24-Sep-20 14:07pm

I don't see any code that will countdown. Maybe you mean the timer does not fire?

diablo22 24-Sep-20 14:11pm

timer is starting, but i cannot make to read from my.settings.time value and start countdown from 10 - 1 until 0 when get to 0 to display msgbox

ZurdoDev 24-Sep-20 14:19pm

If you want to countdown in each tick event, create a variable that stores the number 10 and then in the tick event just subtract one from it.

diablo22 24-Sep-20 14:47pm

something like:
Dim progress As Integer = My.Settings.isBackUpTime
Private Sub Timer2_Tick(sender As Object, e As EventArgs) Handles Timer2.Tick
Try
progress = progress - 1
'Timer2.Interval = 1

If progress = 0 Then
MsgBox("start copy")
End If
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub

ZurdoDev 24-Sep-20 14:50pm

It is still not clear exactly what you want to have happen, but yes, something like that.

diablo22 24-Sep-20 14:52pm

it is clear.
First get the number from my.settings.time
Then timer tick each second reduce progress - 1 until gets 0 then when its 0 show msgbox

ZurdoDev 24-Sep-20 14:55pm

Good. I'll post that as a solution.

2 solutions

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Dave Kreskowiak · Answer 1 · 2020-09-24T08:46:00

You have no choice but to learn to use the debugger. It's going to tell you what the values are at any point in your code while it's running.

Set a breakpoint on the If statement, run the code, and then the breakpoint is hit, the code will stop running and show you the line that's going to execute next. Hove the mouse over the Time part of My.Settings.Time and it should show you the current value. If that value is not what you expect, you're going to have to dig into why.

ZurdoDev · Answer 2 · 2020-09-24T08:56:00

Solution 2

As mentioned in the comments, declare a class level variable and then in your timer tick event subtract one from that variable and then do your if statement to check the value.

Posted 24-Sep-20 8:56am

ZurdoDev