If you need a MessageBox shown to the user when an event occurs in the thread, then create/use some messaging system. MessageBox.Show(msg, "test", MessageBoxButtons.OK)Īs many of the commentators already said, it is a bad practise to have / execute UI in / from thread (interacting with the user). 'End If End Sub Private Sub showMessage( ByVal msg As String) As opposed to a regular form, the user cannot type anything in the. Now I want to show you the way to create a new mail item based on a template. A message box is a special dialog box used to display a piece of information to the user.
#Messagebox vb net 2010 how to#
Parameters( 0) = "message" Me.Invoke( New MyDelegate( AddressOf showMessage), New Object() ) In my previous article, where I demonstrated how to create and show an Outlook message programmatically, a mail item object was created from scratch. 'If Control.InvokeRequired Then Dim parameters( 0) As Object Object, ByVal e As System.EventArgs) Handles ButtonStart.Click Private Sub ButtonStart_Click( ByVal sender As System.
#Messagebox vb net 2010 code#
#Messagebox vb net 2010 windows#
My app uses Windows Forms, developed in VB.NET using Visual Studio 2010.
![messagebox vb net 2010 messagebox vb net 2010](https://i.ytimg.com/vi/703Wbd18wsk/maxresdefault.jpg)
How can I use invoke to run Messagebox.Show?Īfter hours looking on StackOverflow and elsewhere, I can only see partial solutions. As the MessageBox should stop processing on the UI too, I want to use Invoke, not BeginInvoke. But how? (If I just call this code, I get an exception, which is widely documented elsewhere). MessageBox.Show(myOwnerForm, myMessageText, myTitle, MessageBoxButtons.OK, MessageBoxIcon.Exclamation)Īt the point I want to run this, myOwnerForm.InvokeRequired returns true, so I know I need to call an invoke method.
![messagebox vb net 2010 messagebox vb net 2010](https://img-19.ccm2.net/6rpVRpNYhHKMgw-66lHEs3Jvh4A=/f3c6d1922ffa4b799e27654ff55cd03a/ccm-ugc/Capture_1.png)
I want to add an owner to the MessageBox on my background thread, so am seeking run this code: but from a helper class I have built outside it.
![messagebox vb net 2010 messagebox vb net 2010](https://codershaven.files.wordpress.com/2012/02/msgbox.png)
Typemock Isolator has come to the rescue by making it easy for VB.NET developers to write unit tests in their native language with custom Visual Basic APIs. Net, Remove Selected Item From Listbox C. VB.NET developers have long searched for an easy, effective tool for unit testing their code. This code is not called from the form itself. peoplesoft messagebox error PeopleCode variables and/or a Rec. My current code is MessageBox.Show(myMessageText, myTitle, MessageBoxButtons.OK, MessageBoxIcon.Exclamation) without owner. When I display a MessageBox on my single background thread, it usually displays behind the main form, so to make the program usable I need to display it in front of the main form. How do I call Invoke to run MessageBox.Show on my background thread please?