In our program we have added some sleep after each line is read in order to simulate a time-consuming operation.
The Private Sub bg Worker_Run Worker Completed(By Val sender As Object, By Val e As System. Run Worker Completed Event Args) Handles bg Worker.
Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: ASPNET: Make sure that the class defined in this code file matches the 'inherits' attribute, and that it extends the correct base class (e.g.
Value = progress End If End Sub ' Overloads the Close method Public Overloads Sub Close() If Me. Begin Invoke(New _ Delegate Close(Address Of Close Delegate Impl), Me) Else Me. Text = progress & CStr("%") End Sub ' Implmentation of the Delegate Close Sub Close Delegate Impl(By Ref dialog As Form) dialog.
Close() End If End Sub ' Implementation of the Delegate Update Sub Update Delegate Impl(By Val progress As Integer) Progress Bar1.
Line 15-29 – This is just updating the progress bar, then waiting some more, nothing to special going on here.To cut a long story short, the requirement was to let the long running task continue while a progress bar showed the progress of the task.After searching for examples, I got a basic idea on how to use threads in VB. Option Explicit On Option Strict On Imports System. Click 'If a process is already running, 'warn the user and cancel the operation If is Process Running = True Then Message Box. Information) 'Close the dialog when user clicks OK progress Dlg.The following VB sample code demonstrates how to use the Background Worker class to run an operation in the background.The time-consuming operation in this example is to import the contents of a CSV file to a data grid in VB.