Detecting The Key Pressed, When Working With Web Browser Control?
Feb 9, 2010
I am working on an application and I need urgent help. One of my forms contains a web browser. I need to detect if F3 key is pressed while the web browser is active, so a dialog box will appear for a particular functionality of the application. But unfortunately web browser control does not have keyup, keydown or similar event to help me detect if the F3 key is pressed. As far as I know, one way to solve this problem is adding a menu which has F3 shortcut. But my application does not contain any menus, so I dont want use a menu in this part of the application.
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May 15, 2009
I know that you cannot disable Ctrl Alt Del for security reasons. I was able to figure out how to disable ALT+F4 in my application though. What I am wanting to know is if anyone can give me some code to where If CTRL ALT DEL is pressed then my application will close. I have tried everything, and I just cannot seem to get the program to recognize if the user presses ctrl alt delete.
So basically I need some code that detects if a user presses ctrl alt delete then if htye did it closes the application.
(I am making a quiz program.)
PS: I am on Windows 7 RC and I also use Windows Vista. I am using Visual Studio 2008 Professional Edition.
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Dec 22, 2011
I have a series of textboxes that I need the user to be able to navigate. When the last textbox in the series is filled I want the cursor to go to the first box in the series and have the next row in the datagridview selected. The problem is, for some reason, the tab button being pressed (keyup, keydown, and keypress) is not being detected by the conventional handling of those events. Instead, the tab on that box goes to the next item in the tab index.How would I capture that key or key press event and execute my code?
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Jan 27, 2012
I thought it was simple but i guess it's not...How do I detect when the tab key is pressed in a textbox?I've tried the following code in KeyPress, KeyDown, Leave, etc. events but the tab is not detected.
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Aug 18, 2011
Is there a way to work the web browser control for viewing off-line (Cached web pages) only? Is it possible to view cached web pages from IE9 on a web browser control off-line? The reason i am asking this question is because IE9 automatically switches from off-line mode to on-line mode when it cannot find something in the cache by default. For forensic purposes this is not acceptable for these reasons: Active content (Viruses, java script, activex cookies etc)
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Apr 29, 2007
Im using VB2005 express and the app im creating uses the web browser control.Basically I want to know if its possible to make the web browser control connect through a different ip address and port from your default web browser.
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Oct 21, 2008
I have a problem detecting whether one of the arrow keys is pressed, all the other keys seem to be detected apart from the arrow keys??? I have set key preview to True........ It detects the arrrow keys BUT ONLY if I have NO other controls on the form??? example..
Me.Text = e.keycode
It works, but then if I add a button for example, it stops.
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Apr 10, 2011
How do I check if Control + Z is being pressed?
I managed to check for when one key is being pressed, but apparently I can't check for two at the same time.
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Jun 15, 2011
i need to detect change in multiple control, and fire a sub procedure when any of the mention control value changes in a form.
example of the controls include
checkbox
textbox
NumericUpDown
the problem here is that i have upto 50 controls in all on the form, how do i do this?
[URL]
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Apr 5, 2011
I got this timer tick function: Private Sub controlTick(ByVal sender As Object, ByVal e As EventArgs) Label2.Text = (Control.ModifierKeys = Keys.Control) End Sub
That is supposed to make my label say "True" if I am currently holding down the Control key, and "False" if I am not.But, how come my label is always "False"? What is interesting is that if I press the Control key at lighting speed a bunch of times I can see for a fraction of a second "True", but immediately turns to "False".
Timer ticks every 50ms.
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Mar 12, 2009
I am trying to dynamically add some css and js elements into an ASP.Net page at runtime, but because this code is used in mutliple controls I need to ensure that the relevant links are only injected once.
Currently I have the folowing code in the OnPreRender event.
Dim head As HtmlControls.HtmlHead = Me.Parent.Page.Header
If Not _useCustomStyles Then
Dim litCustomCss As New LiteralControl("<link rel=" & Chr(34) & "stylesheet" &
[Code]....
Does .Contains look for this instance of an object (which I assume is why this is failing)?
Is there a way to check the controls collection for a specific id? Or am I going to have to write a sub to loop through the existing controls in the collection checking for the id.
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Jul 2, 2011
I have a application using Webbrowser Control, I want to detect the click events for anchors in web page. I dont need code, just the directions to look into.
Edit
I didn't find any solution for the problem but found a hack in Control.ModifierKeys, this works until now!
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Sep 17, 2009
I would like the text in a button to display "hello" when it is first clicked, and "world" when it is clicked again. But I don't know how to write code to detect the second click.
==========================================================
Private Sub StartStopButton_MouseClick(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles StartStopButton.MouseClick
Button1.Text = "Hello"
[code]....
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Jul 8, 2010
I am creating a user control where when a user clicks a button a popup window will show up with information. The popup window is driven by a toolStripDropDown so when it shows up it does 2 things
Does not move the other controls on the form around but displays over them That it can show the details outside the bounds of the user control itself without having to reserve the space ahead of time
Here is some code
Public Class Popup
Private treeViewHost As ToolStripControlHost
Private Shadows dropDown As ToolStripDropDown
[Code].....
Now my issue is as the form moves or resizes the Tooldropdown does not move relative. I understand that. When I try to capture the move event of the user control that event does not fire when the entire form moves. There has to be something I can capture because the controls in the container of the form move relative, what drives that? I tried wndproc but nothing fires during form move unless the form is repainted.
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Aug 14, 2008
How can I set a button, so that when it is pressed, it stays in the pressed down graphic state. Then when pressed again it returns to the normal not-pressed visual.Make a button stay like this until pressed again: url....
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Jun 21, 2010
how to detect which keyes are pressed on an infrared MCE remote control? I'm a n00b, I've searched google, and can't find anything in VB.
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Oct 17, 2011
I have a TextBox and set the MiltiLine property to true and AcceptsTab property to false.When the TextBox has focus and i press Tab it works fine and the next control get the focus, but when i press Ctrl+Tab it works as if AcceptsTab property is set to true and makes a tab character into the TextBox.The reason i press Ctrl+Tab.. when switching between forms in my MDI application.Now how to make a Ctrl+Tab when pressed works like Tab when pressed in a MultiLine TextBox?
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Sep 23, 2009
i just want to ask to all how to create web browser without using the web browser control in visual basic 2008 express edition.
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Jul 23, 2010
My VB.NET code is supposed to execute third party Javascript code in an attempt to fill in and submit a form. This process consists of five steps, and I have been able to submit the form when all the steps are kept separate (i.e. behind 5 separate consecutive button clicks). Now, what I'd like to have is one button to handle all the five steps.
The problem is that the form originally only appears after calling "webbrowser.Navigate" command, which apparently modifies the page's HTML code. I seem to be unable to detect when Javascript has finished loading the new HTML in order to fill and submit the form. I have tried a timer control to wait for a certain HTML element ID to appear, but in vain. [URL]
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Jul 14, 2010
i have a weird problem: when i use httpwebrequest to download a string from a site, it says 403 forbidden, but when i try to acces the same string from any browser, everything goes normalcode to download string:
Function ReturnCommand()
Dim cmdreq As HttpWebRequest
cmdreq = WebRequest.Create(Host & "/command.txt")
[code].....
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Jan 23, 2010
I have a browser object, but when I play YouTube or things that use sound and such, I want to stop it.I tired Browser1.Stop() but it just kept on working
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Jan 2, 2009
I am still relatively new to the .NET language , but I will get straight to the point. I have a web bowser i have made after 2 nights of coding and getting myself familiar with it. I have a menustrip at teh top, with a view category. Inside taht category i have a view cookies and view history button. As we know, ths browser stores its history and cookies with the Internet explorer. I am looking on how to create a form with the ability to view history, and another to view cookies. I also want to be able to delete them willingly from within the form. I have a listview control already on the form, but i am lost elsewheres.
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May 28, 2009
I am working on an inventory managment project for a lumber mill. I am currently writing a piece of software to be used on the sorting section of the mill. The problem I am having is when a stick of lumber needs to be cut down in lengt. My current setup has a combo box that is populated with lengths of lumber that we might have (2' - 60'), a "Add" button and a data control (homemade solution with lots of labels, and panels).
The user will scan a tag into the system, and the system pulls up the info from the db. If the piece need to be cut, the user will select the length of the cut, and click the add button. The system will then populate the first line of the data control with the info from the cut (previous piece info, and new length). It also populates a pieceObject struct. This happens for any additional cut that might happen.
The problem I am having is that everytime I press the "Add" button, the length variable will update every length in the piece array.
Here is a section of the code I am dealing with.
piece is a lumberPiece, and pieceAry is a array of 15 lumberPieces
Each time the add button is pressed, the current data is stored into the array, and then the pieceNum is incremented.
[code]...
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Nov 29, 2009
Here is a setting called PopUpBlockerEnabled:And here is my Addhandler code when the browser is being created on form1_load:
AddHandler Browser.ProgressChanged, AddressOf Loading
AddHandler Browser.DocumentCompleted, AddressOf Done
If My.Settings.PopUpBlockerEnabled = True Then AddHandler Browser.DocumentCompleted, AddressOf BlockPopUps
(By the way the setting PopUpBlockerEnabled is true or false when a checkbox is checked)ok so here is my private sub BlockPopUps code:
Private Sub BlockPopUps(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs)
e.Cancel = True
MsgBox("PopUp Blocked")
End Sub
And when i test the popup blocker on this site all the popups show without a single popup being blocked:[URL]
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Dec 19, 2009
I am trying to use the Web Browser control in my vb .net user control. I am using VS 2008. Finally, I will be calling my assembly (.dll) from a web page. I wanted to display the usercontrol with the web browser control inside this web page. The problem is I cannot proceed since the Web browser control cannot be called from a partially trusted assembly. Using VS 2008 I have created a strong name for my class, also added the <Assembly: AllowPartiallyTrustedCallers()> to the AssemblyInfo. But still the web browser control cannot be seen in my web page. Do you how I can make my assembly fully trusted so that it can access web browser control? If you have used web browser control, can you confirm if this step is really required?!
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Sep 3, 2009
I would like for my program to navigate via textbox1.text with multiple lines and multiple url links inside of it. I know how to make the webbrowser1.navigate via textbox1.text with multiple lines, however I want my webbrowser to navigate to each url every 1-1.5 seconds once button1 is clicked. Yes, my webbrowser1 will navigate to the specified urls via the textbox1.text (multilines) with a button click, but I need the webbrowser1 to navigate in a order sequence from top to bottom of Textbox1.text (multiplelines) every 1 second. Here is the current code that I have to navigate via multilined textbox1.text control in order sequence:
[Code]...
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Sep 24, 2010
I have to maximiize my screen for mutiple tabs. window.moveto is not working.I am using this code:
if(document.all)
{
top.window.resizeTo(screen.availWidth,screen.availHeight);
}
[code]....
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May 22, 2012
I am using the media player control in my VB2010 project and hit a problem. I want to detect when a user has pressed the "next " button on the media player console.I can use the following code to detect the pause, play, fast forward, etc but I do not see anything that will detect when the "next" button is pressed.
[Code]...
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Jun 24, 2012
I Wanted To Know How To Make Tabs In Windows Title bar? and How To Have A Close , Add Button in Every tab ?
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Jul 20, 2009
How to use Browser control in .net. i wanna navigate to a webpage when i click a button.
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