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Jul 10th, 2012, 05:07 PM
#1
Thread Starter
Addicted Member
AcceptButton not working?
OK, so I am doing something wrong, and I think the slution should be really simple, but that I am not thinking about it. I was just testing the stopwatch from a MSDN example and made a very simple stopwatch. There's three buttons, Start, Reset, Stop. I want that if the stopwatch is not ticking, the acceptbutton would be the start button, if it's running then the acceptbutton should performclick of the stop button, but after the first time, the acceptbutton won't work for any of the buttons, so I am doing something wrong.
EDIT: Removed some code to make it shorter and edited the way I change the acceptbutton, but the result is the same anyway.
VB Code:
Imports System Imports System.Diagnostics Imports System.Threading Public Class Form1 Dim stopWatch As New Stopwatch() Private Sub Start_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Start.Click Timer1.Start() Me.AcceptButton = StopTime End Sub Private Sub StopTime_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles StopTime.Click Timer1.Stop() ' stopWatch.Stop() Me.AcceptButton = Start Dim ts As TimeSpan = stopWatch.Elapsed Dim elapsedTime As String = String.Format("{0:00}:{1:00}:{2:00}.{3:000}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10) Label1.Text = elapsedTime End Sub Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick stopWatch.Start() Dim ts As TimeSpan = stopWatch.Elapsed Dim elapsedTime As String = String.Format("{0:00}:{1:00}:{2:00}.{3:000}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10) Label1.Text = elapsedTime End Sub Private Sub Reset_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Reset.Click stopWatch.Reset() Dim ts As TimeSpan = stopWatch.Elapsed Dim elapsedTime As String = String.Format("{0:00}:{1:00}:{2:00}.{3:000}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10) Label1.Text = elapsedTime End Sub End Class
Last edited by Legjendat; Jul 10th, 2012 at 07:13 PM.
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Jul 11th, 2012, 05:43 AM
#2
Re: AcceptButton not working?
If you have a command button selected, regardless of what is the current accept button, it will be activated. The current control can override things like this. Think of having a combobox with a CancelButton on the same form, when you dropdown the box and press Esc, the box will cancel it's dropdown. It would be a mightly pain if the form closed .
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