When making applications in VB.net I often use a Listbox to give the application user some kind of status updates when a application have to loop through a huge amount of data.
It’s a nice way to be able to tell if it’s still working and doesn’t seem like a non-responding application that have crashed.
Therefor I wrote this little code snippet, it’s basically Sub I got inside my elite-module.vb (//irony) which is filled with handy custom functions, suns and such that I tend to use often in my projects.
Anyway, instead of using ~4 lines of code every time to add some text as a update the Listbox, then autoscrolls down to show the new status item and also do a UI refresh.
If there’s intense CPU load the UI might not respond so well, so we force it to redraw.
Here’s the code snippet:
' UpdateStatus (Made for "Status updates". It adds/update the the Current Time + Your text string. Then Scrolls down to new item & Refresh Listbox UI. ' Example of usage: UpdateStatus(ListBox1, "I just added a new status update...") Public Sub UpdateStatus(ByRef ListBoxName As ListBox, StatusComment As String) ListBoxName.Items.Add(TimeOfDay.ToString("H:mm:ss") & ": " & StatusComment) ListBoxName.TopIndex = ListBoxName.Items.Count - 1 ListBoxName.Refresh() Return End Sub
If you don’t want to use the 24-hour time format, you can replace that bit of code with TimeOfDay.ToString(“h:mm:ss tt“) which will give you a output in this format: “7:22:14 pm”
I hope you find it useful.
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