Me.InvokeRequired In A Module?
Jun 28, 2010I am using the under given code in a module and I am getting an error ['Me' is not valid within a Module]
[code]...
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InvokeRequired Not Working?
Feb 6, 2011This code works fine in VB 2008 attempting to redo the program in vb2010:
in the GuiForm:
the following is declared in formgui:
Private Delegate Sub UpDateGSLDelegate(ByVal rpn As Integer)
Also the following sub is also in formgui:
Public Sub updateGSLDisplay(ByVal rpn As Integer)[code]....
"UpdateGSL", in turn, will be called from any subs running in another module in a separate thread.The purpose is to update one or more labels on formgui based on the "rpn" variable.now the program will just hang at " Invoke(New UpDateGSLDelegate(AddressOf UpDateTheGSL), rpn)" in the "updateGSLDisplay" sub. no error messages, just stops.also I'm now using the " Dim t1 As Task = Task.Factory.StartNew(Sub()" way to starting a new thread in case that is revelant.what has changed from 2008 to 2010 to cause this. Just started trying out vb 2010? How can I fix this in 2010?
I looked at this page: http:[url]...aspx but it doesn't say anything or maybe it does and I just didn't pickup on it.
Begininvoke And Invokerequired Usage?
Dec 1, 2011instead of using if control.invoke required in a procedure can I just call the procedure with begininvoke?I have, possibly, the following:
Private Sub UpDateTimer_Elapsed(sender As Object, e As System.Timers.ElapsedEventArgs) Handles UpDateTimer.Elapsed
UpdateTime()
If MicActive Then
PTTCancelTime += 1
[code]....
Learn InvokeRequired And BeginInvoke?
Sep 5, 2010where is the best place to learn InvokeRequired and BeginInvoke.
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vb.net
Public Sub ListviewSub If ListView.InvokeRequired = True Then Dim t As New MethodInvoker(AddressOf ListViewSub) picCurrent.Invoke(t) Else RunSub() End IfEnd Sub
[Code]...
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Feb 3, 2012I read Accessing Controls from Worker Threads and implemented this
Private Sub myExplorer_Close() Handles myExplorer.Close
If Me.InvokeRequired Then
Me.Invoke(New MethodInvoker(AddressOf myExplorer_Close))
[code].....
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Imports System
Imports System.IO
Imports System.Diagnostics
[code].....
InvokeRequired Returns False When UpdateLabel Function Is Called From A Different Class?
May 10, 2012I am working with tasks, so I've got the following code to update a label on my form:
Private Delegate Sub UpdateLabelDelegate(ByVal s As String)
Public Sub UpdateLabel(ByVal s As String)
If Me.InvokeRequired Then
Me.BeginInvoke(New UpdateLabelDelegate(AddressOf UpdateLabel), New Object() {s})
Return
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Module MOD_ENGINE
'Declare Database connections controls
Dim con As New OleDb.OleDbConnection
Dim dbProvider, dbSource As String
[code]....
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[Code]...
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what I need is if the connection is an error the module should also get the form name which returned the error...is it possible???
check my below code....
DBConnection.module
Imports System.Data.SqlClient
Module DBConnection
[Code].....
now what I need is if the functions Open_DB_Connection() or Close_DB_Connection() returns error it should prompt the form name....
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Imports OBID
class reads
Public Sub run()
Dim back As Int32
Dim fedm As New FedmIscReader
when i run the program and call the run function im getting error "The specified module could not be found. (Exception from HRESULT: 0x8007007E)"
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