Set Focus On The Keydown Event So After The Button Control, Sets The Focus Into The Keydown?

Dec 15, 2010

Is it possible to set focus on the keydown event so after the button control, sets the focus into the keydown? although says often control can have focus,.Putting a button and a keydown event on a form...


VS 2010 Button Focus Messing Up Keydown Events?

Mar 4, 2011

I have an application similar to calculator, with button from 0 to 9, Enter and Clear. I made it possible to use the buttons by clicking on them and also by using numpad, like shown below: Private Sub Form1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown

Select Case e.KeyCode


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.net - Focus On KeyDown In .NET?

Jan 29, 2012

Basically, for my first VB project, I am creating a virtual keyboard where a sound is played from the resources on KeyDown. So far, the program seems to work except for the fact that each key needs to be clicked by the mouse before the sound is played by pressing each key (hence put the object in focus), where I need the key to play the sound without clicking the keyboard key (put the object in focus on KeyDown). Below is an example of my code:

Private Sub C_KeyDown(ByVal sender As System.Object, ByVal e As PreviewKeyDownEventArgs) Handles C.PreviewKeyDown ' C is the label attached to the first 'Rectangle' (Key)
If (e.KeyCode = Keys.A) Then 'The A key should activate the C key on the keyboard


I have KeyPreview set to 'True' under the form's properties.

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Lost Focus Event, What Control Is Getting Focus?

Mar 21, 2012

I have a textbox on a form that when it loses focus it updates other text boxes on the form. But before it updates the other textboxes I check the input value in the textbox lostfocus event if it is undesired I return focus to the the textbox and alert the the user with a msgbox. However where my problem is, is that when the cancel button is clicked I don't care what the input in the textbox is because the changes are being canceled but if the value is undesired the it keeps returning focus to the textbox instead of canceling the changes. Is there a way to see what control was clicked on before or in the lost focus event? Can't seem to figure it out tried enter and leave events but no luck!

So for example something like this...

Private Sub TextBox1_LostFocus(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.LostFocus
If Control that was clicked <> btnCancel then


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Make A Statement That Sets The Focus To The TxtPassword Control?

Sep 29, 2010

how do you make a statement that sets the focus to the txtPassword control?

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Button After Keydown Event?

Dec 7, 2010

why does the keydown event not responding when i put a button on the form?all are set but after i put one button keydown event is not working...

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Forms :: Changing The Backcolor Of A Control When It Has Focus And Lost Focus?

Feb 16, 2011

Is there a more efficient/easier way changing the backcolor of a control when it has focus and lost focus? Let's say I've got 10 text boxes. Right now I would have 20 different events...10 for Enter event and 10 for Leave event. Of course, entering would change the back color to "green" and leaving would change it back to "white".


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Detect Button Click Before Lost Focus Event?

Jan 30, 2010

My application has a form which contains several Textboxes where user is required to fill up data. Once data is filled up user can click on "Save" button to save the data. I have added lost focus events to all textboxes so as to validate user input. When I click on cancel button, i want to detect cancel button click, but textbox lost focus is fired first so I get error message for textbox before my code moves to cancel button click handler. Is there any way to detect button click before lost focus event?

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Keydown Event

Aug 31, 2010

this code works

Private Sub TxtLname_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles TxtLname.KeyDown
If e.KeyCode = Keys.Enter Then
If IsNumeric(TxtLname.Text) Then[code]....

when I replace the keys.enter with "" it won't work..

Private Sub TxtLname_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles TxtLname.KeyDown
If e.KeyCode = Then
If IsNumeric(TxtLname.Text) Then[code].....

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MDI And Keydown Event?

May 26, 2010

my child form is a game that allows user to move using keydown event (arrow key left and right). But when i import it to MDI, keydown event doesn't work anymore. Am i missing something here?

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Use The Keydown Event?

Sep 17, 2008

how to use the keydown event soif you press 'A' a messagebox will popup saying you pressed A else it will say This function is not reconised i am hoping to use this knowlage to start a game so that if you press W the image will go up.

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Setting Focus To Control In Selecting Event?

May 29, 2009

The following code (VB 2008 .NET 3.5) failes to move focus to the combo box.  How can do it?

Private Sub TabControl1_Selecting(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TabControlCancelEventArgs) Handles TabControl1.Selecting
If cbOrderType.SelectedIndex = 0 Then


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Disable Scroll Event Of Listbox After The Keydown Or Keypress Event?

Apr 9, 2010

Programming language is

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Error In Using Keydown Event

Mar 31, 2011

in my Application i have created a status strip which has three lable to show capslock status, numlock status and current date.I have used the following code, it is working perfectly when Master(MDI Parent) Load but  it dosen't change when key is pressed. every time i start my application it shows the current status of the keys but dosent change when key is pressed.[code]

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Keydown Event For MDI Form?

Jan 14, 2010

This simple code works at child form, but not at MDI form.

Is there anything should I add or change?[code]...

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KeyDown Event Not Working?

May 11, 2011

I have checked my code countless times, tried other computers, and yet the keydown event will not work.

My code:Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)

If KeyCode = vbKeyRight Then
imgPerson.Left = imgPerson.Left + 500
End If
End Sub

That's all there is because I was just testing it out. imgPerson does exist, so that's not a problem.

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KeyDown Event On Another Window?

Nov 9, 2010

if I press F1 on another program like, internet explorer, it will open music. When I press F1 on my Windows Form(My program), It work fine and it play my music but when i'm on internet explorer or anything else it doesn't work and I am wondering if I can.

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.net - KeyDown Event Firing When No Key Is Pressed?

Aug 20, 2011

I am running VS 2008 and building my app on a Windows 7 box. The main form/window has a KeyDown event handler as follows in it:

Private Sub Form1_KeyDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles MyBase.KeyDown
MsgBox("control = " + e.Control.ToString + ", shift = " + e.Shift.ToString + ", e.Keycode = " + e.KeyCode.ToString)

When I build it and run it within VS it seems to run fine. The messagebox appears with the state of the control and shift keys along with the key code of the key I pressed. However, if I take the executable and run it on an XP box (both using .Net Runtime 3.5) as soon as the main form opens, the messagebox appears. Basically the "KeyDown" event seems to be firing without any keys being pressed. The messagebox comes back with: "control = False, shift = False, e.Keycode = None".

How is this possible? How can the keyDown event be fired when no keys have been pressed (as is confirmed by the output contained in the messagebox?) how I can diagnose this on the XP box since it does not have Visual Studio on it?Update I tried creating a brand new project where there is only "form1" and the only code behind this is the keyDown event handler. It just opens a blank window and pops up the message box if a key is pressed. It worked as expected on the Win 7 box but when I moved the executable to the XP box, it immediately popped open the messagebox without pressing a key.

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Cursor Changes When Keydown Event Is True

Nov 15, 2011

I need to make a simple yet cool program for my professor. The program is this: To get the program to work, the user first presses a button on the form. Then, when the user presses an up arrow on the keyboard, the cursor will change to a custom cursor (a cursor with an image of car {in .ico format} for example), when the user releases the up arrow key, the cursor turns back to default cursor -- which is arrow. When the user presses an up arrow and left arrow at the same time on the keyboard, then a different custom cursor will be shown instead of the default.


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Form Deactivate Keydown Event?

Jun 18, 2011

In my program I've used a text box and KeyPreview is True.When press the Enter-key i hope go to next row but called the default key?

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Get A Keydown Event Even When Application Is Not Focused?

Jun 1, 2011

How do you read a key down event when your application is not focus but other are?

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GridView KeyPress/KeyDown Event Using VB?

Dec 26, 2009

using a datagridview and it bind by 3 rows and 3 columns,my task is when the press the F5 key then need to execute some code, my problem is if the datagridview cell is focused then now i press F5 key then the next task is executed but if the cursor is in the cell and i press F5 Key then the Key events was fired

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Keydown Event : Numpad +,*/ Buttons ?

Aug 3, 2010

How can I get to work out that i have pressed +-*/ in Keydown events?

At the moment i am using a Select Case:

Select Case e.Key
'Numpad Numbers Keydown Events'
Case Key.NumPad0
txtAnswer.Text = Display.ToString
Case Key.NumPad1
txtAnswer.Text = Display.ToString

However, I can't find a key. thing to work with the numpad function buttons.

I tried using:

Case AscW(Chr(107))
txtAnswer.Text = Display.ToString

But it didn't work,

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Keydown Event For Entire Application .Net?

Sep 1, 2009

I want to make it so that no matter which control has focus, it will do my event. So that I dont have to write a keydown event for all 137 of my objects. Is this possible?

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KeyDown Event Not Firing With .NET WinForms?

Oct 22, 2009

I already have KeyPreview set to true in the form properties I'm working on a small program, and I'm having a problem where it seems that some of the controls on it inside groupboxes are not triggering the KeyDown event on my form when I press and release any arrow key, just the KeyUp event. Specifically, I've enabled KeyPreview on the form, and set breakpoints on e.SuppressKeyPress = True in both subroutines, and only the one for frmMain_KeyUp hits the breakpoint.

I added in the two GroupBox events hoping that might mitigate the issue, but no such luck. However, I have a custom control on the form that is specifically coded to ignore these keypresses, and the code works as expected on it.

Private Sub frmMain_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown, GroupBox1.KeyDown, GroupBox2.KeyDown
e.SuppressKeyPress = True
Select Case e.KeyCode


The code in the user control that "ignores" keypresses is as such:

Private Sub TileDropDown_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
If e.KeyValue = 40 OrElse e.KeyValue = 38 OrElse e.KeyValue = 39 OrElse e.KeyValue = 37 Then
e.SuppressKeyPress = True
End If
End Sub

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KeyDown Event Or Override OnKeyDown?

Nov 10, 2009

short question: What's better?

Form KeyDown event vb Private Sub MainForm_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown      End Sub
Override OnKeyDown
vb Protected Overrides Sub OnKeyDown(ByVal e As System.Windows.Forms.KeyEventArgs)         MyBase.OnKeyDown(e)     End Sub

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Keypress - How To Use KeyDown Event In Form

Mar 10, 2011

I'm using VB.NET (2008) and .NET framework 3.5. In my application I've got an on screen button that, when pressed, sends "00" as the characters [via SendKeys.Send("00")]. I also have a keyboard that has a '00' key that sends "00", two zeros, when pressed. I'm picking up the keypress using the form's KeyDown event - it fires twice, once for each "0" and works whether the on-screen or keyboard '00' is pressed. There's also a singe '0' on-screen button and key on the keyboard that sends "0".

I want to be able to treat the "00" as a single event. I.E. in the KeyDown handler, if the character is a single zero "0", I would like to check the next character to see if it is also a zero "0". If it is then I can handle it appropriately, but also need to remove it (from the keyboard buffer?) so that it doesn't fire the second KeyDown event. If it's not a zero then it should be left to fire the next event in the normal fashion.

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Make An Event For Keydown, But For Second Press?

Dec 18, 2011

How to make an event for keydown, but for second press?

Yes, i know how to make event, eg.:

If e.KeyCode = Windows.Forms.Keys.Escape Then
End If

But i want code for second press. For example...:

First use button space: open form1 Second use button space: open form2

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Raise Event Keydown Error

Jun 8, 2012

I want to have a partial class to manage my focus bettwen radtextboxes when a user presses the enter key and I am looking for the telerik interpretation of this line of code " tbs(i).KeyDown += New KeyEventHandler(AddressOf textBoxes_KeyDown) "[code]...

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Stop WebBrowser KeyDown Event?

Feb 27, 2011

I'm using a webBrowser control as a simple HTML editor & I'm trying to stop the default action of creating a new <p> (paragraph) element every time you hit the enter key while typing text into the control.

I have added a handler for the keyDown event & I can insert a break tag, but nothing I do seems to be able to stop the webBrowser from continuing to process the event.

As you can see in the code I tried setting the e.BubbleEvent to false to stop the event.

The added event handler works just fine & executes before the webBrowser processes the event, but setting the e.BubbleEvent=False (or true) has no effect.[code]...

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Textbox KeyDown Event Not Firing?

Apr 19, 2012

I have a textbox on a tabcontrol page, and when someone tabs out of the textbox, it is suppose to move to the next tab. This was working great before I switched the form from a UserControl to an actual Form. This change did not change actual code. So now, I have tried everything. I have the textbox to set to AcceptTab = True, and I have KeyPreview = False (because if the form grabs the event before the textbox does, it would mess things up I am assuming).Here is my code for the textbox:

Private Sub txtMsgDTG_KeyDown(ByVal sender As Object, ByVal e As KeyEventArgs) Handles txtMsgDTG.KeyDown
'check for tabbed out
If e.KeyCode = Keys.Tab Then[code]......

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VS 2010 KeyDown Event Not Working?

Feb 20, 2012

I am using the keydown event so that when i press the right arrow the image changes but when i run it nothing happens when i press the arrow key.I have enabled the keypreview Properties?

Private Sub Level1_KeyDown(sender As Object, e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
If tmrWalk.Enabled = True Then
If e.KeyCode = Windows.Forms.Keys.Right Then


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.net - Remove Border On Focus From Button Control?

May 14, 2010

I am setting my Winforms Button control properties to appear as a hyperlink would on a web page. I've formatted everything fine, except the border in the FlatAppearance object. I have code to act as pseudo-CSS (FormBackColor is a string constant.):

b.FlatStyle = FlatStyle.Flat
b.BackColor = ColorTranslator.FromHtml(FormBackColor)
b.ForeColor = Color.Blue


The code removes the border from the flat Button control except on MouseOver, where I add a 1 pixel border. On MouseLeave, I remove the border. This is to show some visual feedback. This works fine when the button does not have the focus. However, if I click on the button, giving the button focus, mousing out and over again now shows a greater than 1 pixel border around the button. I'm imagining it's combining my button's explicit 1 pixel border with the traditional "Winform Button has the focus, so add a border" border around the Button.How can I disable/remove the "Winform Button has the focus, so add a border" border? Or, should I just do a check in ButtonMouseOver to check if the control has the focus, being a condition of adding the border, and just be done with it?

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C# - Setting Focus Onto Another Control From Button Click?

Sep 24, 2009

I am using ASP.NET 2.0 and VB.NET

On top of my page I have a button called btnViewRecords. When the User click on the button I want to set focus to another button or label further down on the same page. How can this be done.

This code does not work for me..............


Even if my code did work, i dont want to reload the page every time.

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Call A Text Box Keydown Event From Another Method

Sep 5, 2009

I need to call a text box keydown event from another method. How to I create and event args for this to pass to the method?

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Create An On-KeyDown Event For A Datagridview Cell?

May 24, 2010

I'm using an on key down event for my datagridviewer that fires every time a key is pressed while the datagridviewer is selected(Focused).I want the same thing to happen while in a cell, but there is no event for key down in a cell.

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Creating A Keydown Event That When The Enter Key Is Pressed?

Feb 10, 2009

I am creating a keydown event that when the enter key is pressed it performs the button1_click event. I have this much:

if e.keycode = keys.enter then
//code here

I just need to know how to make it perform the button1_click event.

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DataGridView - ReadOnly Cell KeyDown Event?

Nov 25, 2011

i have a datagridview with a readonly cell, i would like to show a formdialog window when the user press the space key. but is not possible since the cell is readonly=true.

i'v been using the following code with the EditingControlShowing event. and when the cell is readonly=false it works sometimes.

Private Sub sub_fecha_keydown(ByVal sender As Object, ByVal e As KeyEventArgs)
If e.KeyCode = Keys.Space Then
Dim frm As New frmFecha


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IDE :: Beep Sound By Keydown Event In Form

Mar 5, 2010

When I put the command in the form_keyDown event that if I pressed the Ctrl+s, run the some instruction, when the focus in the one textbox control, run one beep sound Simultaneously with the instruction.

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KeyDown Event Not Firing For Arrow Keys?

Aug 8, 2010

I have a weird problem. Ive created a UserControl that can be used to pan and zoom an image but when ever I add the control to a form my arrow keys will not trigger the KeyDown event anymore. If I remove it no problem.

If I try and listen to the KeyDown event on the control itself nothing fires either!

Ive set the KeyPreview property on the for to True.

I'd be happy to supply the code if anyone think they could solve it..

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