Trap Event Of New Control?

May 16, 2012

I have the problem in VBA for Access, but I assume that it is related to Visual Basic as a whole as well.I have the following code:

public sub NavigateIE
dim ieobj as shdocvw.internetexplorer
ieob.navigate ("Some URL")
end sub

[code]....

How can I link the DocumentComplete event of ieobj to the subroutine named customeventforieobj?

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Trap Event Of New Control

Apr 22, 2010

I have the problem in VBA for Access, but I assume that it is related to Visual Basic as a whole as well.

[Code]...

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Listview With Checkboxes - Trap Mousemove Event?

May 19, 2009

I am using VS 2008. I have a listview control whitch 'checkboxes' property enabled.My question is: how can I trap a MouseMove event over an item only, excluding the associated checkbox?I have the following code in MouseMove event of the ListView control but it cannot differentiate between an 'item' and a 'checkbox:

Private Sub mylstview_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles mylstview.MouseMove
Dim oListViewItem As ListViewItem[code]....

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VS 2008 Application Wide Event Trap

Mar 26, 2009

How can I set up an application wide event trap that is triggered when my database connection status changes?i.e. no matter what form the user may be on if the connection is terminated for whatever reason a message box is displayed to the client requesting whether the program should try and reconnect with the database or not.

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Way To Trap The Event Of MDI Child Loading For The First Time?

Jun 23, 2009

I'm trying to force an always maximize setting

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Trap Checked / Unchecked State Of A Datetimepicker Through An Event?

Mar 14, 2009

In Vb.net 2005 how can i trap the checked/unchecked state of a datetimepicker through an event. I'm trying to execute two different methods based on the checked/unchecked state of a datetimepicker when the user clicks the datetimepicker. When the user checks the dtPicker Method A is executed, when the user unchecks it Method B is executed. How can i trap it.

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Forms :: Trap The Checked/unchecked State Of A Datetimepicker Through An Event?

Mar 14, 2009

How can i trap the checked/unchecked state of a datetimepicker through an event. I'm trying to execute two different methods based on the checked/unchecked state of a datetimepicker when the user clicks the datetimepicker. When the user checks the dtPicker Method A is executed, when the user unchecks it Method B is executed. How can i trap it.

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Control Array - Add New Event - Click Event Code And Calling It A Doubleclick Event

Jul 31, 2010

I've read thru Iceplug's tutorial on control arrays and got it working. I tried to add a new event by basically copying his click event code and calling it a doubleclick event. I used the proper addhandler and assigned the correct name to my sub. I have the click event changing the background color to blue and the doubleclick event changing the background color to green. The background color does not change to green. Why?

Heres the tutorial with my new code encased in asterisks ...

Code:

Imports System
Imports System.Windows.Forms

Public Class form1

[CODE]...

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Can't Use Form Mouse Move Event Or Any Other Control Event

Dec 6, 2011

How should I go about getting my mouse position over multiple controls, and such. I can't use the form_mouse move event, or any other control event nor can I use them all at the same time cause that would conflict with the actual position I need for an object.

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Handles Button.click Event From Custom Control Inside Other Control?

Jul 29, 2009

I've created my own ascx control with button inside it. Now I'm using this control inside other control. (In my case it is a webpart). What I would like to do is program button.click logic from my custom control inside webpart

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One Trigger A Click Event In A UserControl From The Main Form's Tab Index Control That Contains An Instance Of The User Control?

Jan 5, 2011

The code is listed below which hopefully illustrates what I'm trying to do:[code]....

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Never Ending Loop While Setting Focus To Control On Validating Event In Cantrol Validating Event?

May 9, 2012

I am writing below code for validating compulsary field account no. in form.User's requirement is set focus back on field when error comes :

If txtAccountNo = "" Then
MessageBox.Show("Account no filed can't be left empty")
txtAccountNo.SetFocus
Exit Sub
End If

It's working properly. But suppose user don't want to fill form and exiting from application.Message box keep on appearing till user enters account no.

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Detect Click Event For Control Under Another Control?

Dec 24, 2009

ok so i have a PANEL control under a WINDOWS MEDIA PLAYER control. Both are same size.

The panel has a click event which shows a message saying "HI"

when the panel is behind the wmp control the message is not shown when i click on it.

so the question is is there a way round it, cos currently it only works if the panel is on top of the wmp control

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How To Trap 'F1' Key Pressed Or Not

Jan 27, 2010

'pressing F1 key on main form. I dont know how to trap whether user pressed F1 key or not

Private Sub frmMain_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles Me.KeyPress
Dim KeyAscii As Long = Asc(e.KeyChar)

[code]....

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Trap Tab Key In Combobox?

Mar 16, 2010

I'm using Vs2008 and I have a combox in a Windows form.I woud like to know how I can capture the tab key after the user has select an item in the combobox.

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FileUpload - How To Trap Maxfilesize

Aug 26, 2006

The fileupload control works well for files < 4MB (maxrequestlength), but if the file is larger than this the program fails with: - Server error in '/xxxxx' application Maximum request length exceededHow do I trap this so that I can return a better error message? The failure occurs before the Page Load from any callback, so I can't see any way of trapping the error, and I haven't seen any event or property of the Fileupload control that I can set to say "Do this when Max Request Length is exceeded"

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How To Trap DataGridViewComboBox Events

Dec 8, 2009

Does anyone know how to trap f.i. the SelectedIndexChanged event in order to read the SelectedValue from the ComboBoxColumn?

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Trap CTRL-Z With Keypressevent?

Dec 7, 2009

With the component I am using, I only have a keypress event. So I cannot seem to figure out how to trap the control key. The lower case z is reported as keyascii 90 and the upper Z is 122 but can't get the control to show me when debugging. This is where I'm at (trying different ways, none working) Can someone tell me how to trap a ctrl-z correctly with this keypressevent?

[Code]...

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Trap Key When DateTimePicker Dropdown?

Apr 14, 2011

Are there any way to trap key when the DateTimePicker is dropdowned?

I have tryed many ways but no effect.

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C# - Custom SNMP Trap Implementation In .Net?

Oct 2, 2009

I need to create a monitoring mechanism using SNMP (in .Net). I think we'll be using an nsoftware component to handle most of the work. It appears we must use 'traps' to communicate from the agent to the server. We'll have a number of different traps and various information detailing each trap. What is the best way to implement custom traps? That is, what is the best way to not only send a trap, but also send the information describing the trap to our 'snmp manager'? I think this is done through "variable bindings". To use "variable bindings" do we need to create our own "enterprise number" and use an "enterpriseSpecific" trap? Should we implement our own, custom MIBs or can we just send the data we need with the trap (via variable bindings)?

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Javascript - How To Send SNMP Trap To Different IP

Jul 30, 2009

I have the an ASCII message of SNMP traps, how can i sent it to different IP address? i dont want to use email instead. Given a IP address and the port, of that receiver machine. tell me the solution or where can i get references to the command at least. coz i could find anything regarding it.

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KeyPress To Trap A Decimal Or Period?

Nov 8, 2009

I am trying to prevent the user from typing dupilicate decimals or periods into a data entry form. The code below has all been tried and yes, there was a do something in there. This is just a sample of what I tried. When I could not trap "." I moved through various renditions of the e.keyvalue still no luck. I know it is simple and stupid but it darn sure escapes me...

If e.KeyValue = 110 Then 'NUMPAD DECIMAL
If Me.MultiplierTextBox.Text = "." Then
End If

[Code]....

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Trap A Connection String That Is Disconnected?

Sep 11, 2009

How do i trap a connection string that is disconnected?

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Trap An Error Response And Timer

Jul 1, 2009

In my Timer codes[code]...

How can I add this statement or condition?

If the Response is > 1, my timer will tick and go to next item in listbox (means successful).[code]...

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Trap The Data From The Scales And Then Update The DB?

May 9, 2012

I am trying to build a socket program and I need your help.The program is to be used for Scales.I need to trap the data from the scales and then update the DB.

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VS 2010 Unable To Trap Error

Feb 4, 2012

review the following code; it is not able to trap the error and the code errors out (OleDbException was unhandled) on the code marked with *

Private sub SaveEmployee()
Try
gConn = New OleDbConnection(sConn)

[Code].....

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Trap Any Exceptions With Try Catch Finally If The Reader?

Apr 8, 2011

I have a SqlDataReader and I want to trap any exceptions with Try Catch Finally if the reader =cmd.ExecuteReader() statement fails. If this statement throws an exception do I need to close the reader? If so, where. Wherever I place the reader.close() statement I get an error that the reader has not been assigned a value yet.

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Trap Error For Incorrect Data Type

Feb 10, 2009

i want to enter date in the format of dd/mm/yyyy (30/03/2009) in a textbox. when a click on the button, if nothing or wrong format is enter, will pop up msgbox saying wrong format.

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Trap Exceptions In Thread Pool Threads?

Jun 15, 2012

I have a thread pool that send file using ftp protocol. I encapsulated the call for threadpoll with try catch believing that the thrown exception inside the threadpool will be catch by the main thread. Instead the system terminate whenever i throw an exception from inside the threadpool. Also I design the Clsftp.ftpsend class to throw an exception related to ftp error. Basically my design for handling the error is just like the code below.

'Main thread
Private Sub BttnStartSending_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BttnStartSending.Click
try
Dim objparam As New ThreadParameter

[code]....

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VS 2005 Form Level Exception Trap

Apr 1, 2009

I have a form with a button that brings up a different form. In some versions of this program (don't ask), the second form is shown non-modally, but in my version it is shown modally. The point of that last statement is that the second form can be either modal or non-modal, so an answer needs to handle either one, but the modal option is more valuable.If form 2 throws an exception that is not handled, the exception is caught somewhere on Form1, though the exact place that it is caught is largely dependent on where the exception was thrown from. The question is this: I need a means to trap all exceptions raised on Form2 or anything called from Form2 such that no exception EVER propagates out of Form2 to be caught in Form1. The reason for this is that Form2 HAS to perform some cleanup for reasons that I have zero control over. That cleanup doesn not absolutely require user input, but it would be good to have some.Is there any event that is fired if a form is exited due to a call stack unwinding as an unhandled exception propagates up the stack?

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