Keyup KeyDown Listview First Time Go To Top?

Feb 14, 2012

How to make keyDown and keyUp in first time not go to first Row.? I have Listview After I focus to this Listview example to row 20 and then keyDown for the first time not go to row 21 but to the first row also keyUp not go to row19 but to the row 1?

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VS 2008 : Use The Keydown/keyup Events With Buttons In The Same Project And It Not Working Properly?

May 12, 2009

I am trying to use the keydown/keyup events with buttons in the same project and it not working properly. I have 4 red boxes and when I press an arrow key the box should change to green according to which arrow key it corrosponds to. I have this part working fine, however only when there is nothing else in the project. When I add in say 3 buttons, Button1, Button2, Button3 and try runing the program instead of the correct red box changing to green, button outline just moves between buttons 1,2 and 3. I have tried turning tabstop off for the three buttons but that didnt work. how to read the keydown/keyup while still having buttions that can be pressed with a mouse?

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Application-level KeyUp/KeyDown Events (not Windows Form-level)?

Apr 1, 2012

I am creating an Excel add-in written in VB.NET. I would like to bind KeyDown and KeyUp events to the spreadsheet to record when the user presses and releases the arrow keys while navigating the spreadsheetIdeally, these events would be built into Excel alongside the native SheetActivate and SheetSelectionChange events, for example. Alas, they are not.

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VS 2008 Have Noticed That A Form's Keydown Method Has Slight Delay First Time Hold Button

May 20, 2010

I have noticed that a form's keydown method has a slight delay the first time you hold a button. How do I get rid of it?

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Show Messagebox/play Sound When System Time = Time Displayed In Listview?

Nov 13, 2010

Basically i'm trying making a task manager program for myself. I want to know how I can display a message box and or play a sound when system time = time displayed in listview. I have used a dropdown box for the user to select which option they would like to select - sound or message box to popup. The data for the task will be stored in a listview box. I want it so that when the date and the time is = to the date and time set for the reminder the action will follow.Here is my code so far: 

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim notext As String = ""
If TextBox1.Text = notext Then[code]....

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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...

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Listview - Add A User In My Listview And Click The Start Button Both Of Them Start Their Time

Jul 10, 2011

I want to start the time in one user only because when i add a user in my listview and click the start button both of them start their time. how can only start one user only? and when i select the other user and start their time the first one that i start is continues deducting a time.

This is my code:

Public Class Form1

Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
With Timer1
.Interval = 1000 '// set interval to 1,000, which is 1 second.

[CODE]...

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Get Keyup To Recognize A TAB Key?

Jun 19, 2009

I have an data application I made for a company. I want them to be able to hit both the Tab and the Enter key to select the next control in the tab order. I would also like to turn the background of the currently selected control a color other then white. I have been trying for days to find a solution but trying to interpret the msdn library is making my head spin..For some reason, the below code only recognized the enter keyup and not the TAB key.My Code here:

Imports System.Windows.Forms
Public Class Form1
Private Sub TextBox1_KeyUp(ByVal sender As Object, ByVal e As

[code]......

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VS 2010 : DatagridView KeyUp Add New Row?

Apr 4, 2011

i have problem when addnew row at keyup event for datagridview control.i want to add one row when method addRow() called.this my code :

vb.net
Public Class Form2
Dim dt As New DataTable("view")
Private Sub Form2_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
dt.Columns.Add(New DataColumn("Col1"))

[code]....

the problem at dg_KeyUp code, Since more than 1 row created while I want only 1 line only.

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Get System Wide KeyUp Event?

Jul 15, 2011

Currently I am able to see if a key is currently pressed via the GetAsyncKeyState function. Currently I just simply have a timer running in the background that constantly checks if a certain key is pressed in order to run a command. However my issue is if the user holds down the key it will continually run that bit of code over and over per timer tick. Is there a way or another function to detect a keyup or keypress only. This is my current code to detect keys:

Public Declare Function GetAsyncKeyState Lib "user32" (ByVal vKey As Windows.Forms.Keys) As Integer Public ReadOnly Property CurrKey(ByVal key As Windows.Forms.Keys) As Boolean
Get Return CBool(GetAsyncKeyState(key))
End Get
End Property

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KeyUp Event If Keycode = Alpha Or Numeric

Apr 28, 2010

[Code]....

whats the simplest way to achieve this? is there a built in value for this or regular expressions?

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Prevent Enter Key Passing Through To The Next Controls Keyup?

May 2, 2012

I am working on an application using a form with textbox controls as a menu. Pressing enter while the textbox has focus invokes another form and hides the menu form. The reason for this is a requirement that the mouse must not function at all in thisapplication. Not my idea but it is my job to make it so.The problem I could use some. When the user presses enter on the textbox on the menu form the keypress event is used to invoke the selected data entry form and the menu form is hidden. When the data entry form opens the cursor is supposedto be in the first field on the form but the first controls keyup event triggers and the enter keypress from the menu form is still active so the cursor moves to the second control on the form. Having the enter key move to the next field like tab does is also a requirement.

In the keypress of the textbox on the menu form e.handled is set to True but that does not prevent the passthrough. I realize there are many ways to force this to work as I intend by putting flags and so on in the data entry form but I have many to deal with and would like to find a solution I can apply on the menu form rather then adding code to every data entry form to compensate for .NET deficiencies.

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Regex - Cancel Handler On A KeyUP Event?

May 11, 2012

There a way to use e.Cancel () on a keyup event?

I'm trying to validate a textbox with a Regex and I need to cancel the event if it no meets the Regex expression, or delete the key pressed to meet so that the expression

For Example:

Dim rex As Regex = New Regex("^[0-9]{0,9}(.[0-9]{0,2})?$")
Private Sub prices_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Textbox1.KeyUp,

[Code].....

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VS 2005 : Call KeyUp Event Programmatically?

Apr 15, 2010

I am needing to call the KeyUp Event of my richtext box. Anyone know how I can do this?

rtbScript_KeyUp(Sender As Object, e As System.Windows.Forms.KeyEventArgs)

I'm not sure what I would enter into this.I'm wanting to call the Period Key going up. I think the key is oemsPeriod or something like that

rtbScript_KeyUp(??, ??)

Not sure what I need to put in these two fields.

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VS 2008 - DGV Mousewheel Scroll Same As Keyup / KeyDwn

Aug 16, 2011

How do you move the selected row to the next row using the wheel mouse in a datagridview?

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VS 2008 Bug With E.Keycode On KeyUp Event Handler

Dec 31, 2009

I have this code

If e.KeyCode = Keys.D0 Or e.KeyCode = Keys.D1 Or e.KeyCode = Keys.D2 Or e.KeyCode = Keys.D3 Or e.KeyCode = Keys.D4 Or e.KeyCode = Keys.D5 Or e.KeyCode = Keys.D6 Or e.KeyCode = Keys.D7 Or e.KeyCode = Keys.D8 Or e.KeyCode = Keys.D9 Or e.KeyCode = Keys.Oemplus Then

[Code]....

The output WILL be 189 when I press the - sign. But when I check "Keys.OemMinus" it stands for 189 and when I replace "Keys.OemMinus" with 189 it won't work either!

I checked the Resources file and it's correct. The picture just doesnt change, only shows the last pressed button...

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VS 2010 Enter On Button Fires Keyup On Next Control

Dec 27, 2011

I have focus on button and when I press Enter key button_click event is executed. At the end of button_click I pass focus to text filed:


Private Sub btnAddPos_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDodajPoz.Click
try

[Code]....

And every time I press Enter on button txtNewItemID_KeyUp is triggered. And i don't want that. I just want txt field to get focus when button is pressed (with mouse, enter key, Alt+key combination).

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Feb 6, 2012

I have a ListView that contains 3 checkboxes per row. I want to set it up so that only one checkbox can be selected at a time. Here is my current CodeBehind...

Public Class MyClass
Dim Checkbox1 As Checkbox
Dim Checkbox2 As Checkbox

[Code].....

Let me know if I need to include anything else. Right now when I click a checkbox and another checkbox is selected then both are selected instead of just the new one..

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Create A ListView Control At Run-time ?

Aug 27, 2010

I am trying to create a ListView control at run-time and populate it with data from a SQL Query, I can create and execute the SQL query returning my desired data, I can create the listview control, but I can not get the list view to Populate data from the ListviewGroup I am creating from the SQL query. Code Snippet Follows.

Dim ItemGroupSQL As New ListViewGroup
' Create three items and three sets of subitems for each item.
a = 0

[Code].....

This will create a ListView Box and populate the data in a very odd way, every row will have 5 columns with the same data repeated in each column. I have verified (using the commented out msgbox statements you see) that the ItemGroupSQL variable is being populated correctly. but Listview1.items.addrange(itemgroupSQL.items()) does no add the data to the listview correctly

Am I using incorrect syntax for Items.Addrange?

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Display Records Into Listview All Time?

Mar 25, 2009

I wonder how we keep records alive in listview..i m entering data into listview from textboxes...but when i stop and again run the program i get new listview...the record i added from textboxes are not there..i want to display the records everytime i run the program.[code]...

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Prevent Texter / PhraseExpress From Causing Misfired KeyUp Events?

Nov 17, 2011

I have a VB.NET application. When Texter or PhraseExpress is installed and enabled, the program behaves poorly. Debugging has revealed that at times I can press Enter in a field and no event will be fired (i.e. no breakpoints in the event handlers get hit), then I press it again, and they will be fired twice. (Basically these cycle if I keep pressing enter - one time nothing will happen, the next I get two events, the next keypress does nothing, the next triggers two events, etc.)

Since Enter is used in certain places to trigger searches, or to move between fields for fast data entry using the numeric keypad, this effectively breaks the program in these spots. The problem is highly repeatable - disabling Texter or PhraseExpress causes the program behaves perfectly normally. Enabling them again causes it to break. Note that in both text expansion programs, I have assigned NO events to the Enter key. In fact, with Texter (haven't done this particular test with PE yet), it happens even if NO replacements have been defined at all, simply based on whether Texter is enable or disabled.

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Jun 9, 2011

i am using vb.net 2005 and i want to know the event name for a listview that happens every time an item is added.

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Populate A Listview From A Sql Table And At The Same Time Run A Progress Bar?

Nov 17, 2011

I am trying to populate a listview from a sql table and at the same time run a progress bar. Currently my progressbar does't run and also the listview does not poulate.

HTML
Dim lsvdupsitemlist As New List(Of ListViewItem)
Private Sub FindDupsBGW_DoWork(ByVal sender As System.Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles FindDupsBGW.DoWork

[code]....

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Asp.net - ListView Controls Display Wrong Data The 3rd Time?

Aug 11, 2010

I have a ListView that populates and displays a user's data (via a profile system in VWD 2008) during Page_Load and also when I go from the EditItemTemplate to the ItemTemplate. When I go to the edit screen again, my DropDownList and RadioButtonList controls display the first items in the corresponding tables instead of the correct profile values.

I don't understand why the controls populate correctly the first and second times but not on the third time (that's right, the third time is NOT a charm).how to solve this problem?

[Code]...

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Communications :: Connect To Several URLS At The Same Time And Add Information To A Listview?

Feb 8, 2011

im trying to make a program that connects to several websites and parses some information out and then add the information to a listview list.The listview have 2 columns: Site and Nuts. So i load a bunch with urls in the site columns (that isnt a problem) but the problem is to take 5 websites at the same time and connect to them and then write "OK" in the Nuts columns.

In VB6 i could easily make 5 sockets, and then move down five items in the listview, save each of the listview text to a variable and connect to each variable with different socket, but how i add the information to the column "Nuts" is also a challenge in vb6. In the other hand, in vb.net i haven't yet got the skills to do so.

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VS 2008 Error 2 'KeyUp' Is Not An Event Of 'Microsoft.Office.Interop.Excel.TextBox'

Mar 29, 2010

Error2'KeyUp' is not an event of 'Microsoft.Office.Interop.Excel.TextBox'. how can i fix this error

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VS 2008 Error2 'KeyUp' Is Not An Event Of 'Microsoft.Office.Interop.Excel.TextBox'?

Nov 4, 2009

Error2'KeyUp' is not an event of 'Microsoft.Office.Interop.Excel.TextBox'.

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Event ItemSelectionChanged Of ListView Firing Three Time When Showing A MDI Form

Dec 20, 2011

I have a VB (.NET3.5) project like this:

- form1: IsMDIForm = true.

- form2: adding a list view with 2 records, select first record, and register the event ItemSelectionChanged.

- Add form2 as a child of form1 (form2.MDIParent = form1).

- When use "form2.Show()" -> the event ItemSelectionChanged firing three time:

+ 1st: SelectedItem = 1

+ 2nd: SelectedItem = 0

+ 3rd: SelectedItem = 1

I want to know the rootcause (not Solution) of thi issue, can anyone help me !?

Project code: http://www.mediafire.com/?hhhdzh5te1wrod4

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Jun 11, 2009

I have a ListView w/filename, data, time and size fields. I've copied the code from this article [URL] to use in my solution. Problem is, when I click a column header the first time, it sorts, but when I click the same header a second time, to sort in reverse, the column stays in the same order as it was just sorted in.

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VS 2010 Connect To Several URLS At The Same Time And Add Information To A Listview List?

Feb 8, 2011

I'm pretty new to visual basic .net (have been a hobby VB6 developer for a few years) but now i have moved on to vb.net and i must just say it, what a difference in the language!So im trying to make a program that connects to several websites and parses some information out and then add the information to a listview list. The listview have 2 columns: Site and Nuts. So i load a bunch with urls in the site columns (that isnt a problem) but the problem is to take 5 websites at the same time and connect to them and then write "OK" in the Nuts columns.

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VS 2008 Call KeyUp Event From MouseUp Event For A Textbox?

Aug 16, 2010

In VB6 we had a code inside textBox_MouseUp to call textBox_KeyUp(-1, 0) and the signature of KeyUp was
Private Sub textBox_KeyUp(ByRef KeyCode As Short, ByRef Shift As Short) Handles textBox.KeyUp

Now when I migrate to .NET I changed the KeyUp event to Private Sub textBox_KeyUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles textBox.KeyUp

How can I do this call textBox_KeyUp(-1,0) now from textBox_MouseUp event?

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VS 2010 Shortcut Keys (KeyUp) E.Keys Combinations?

Mar 25, 2011

I'm trying to create a shortcut which expands or collapses my treeview using the ctrl+alt+up-arrow or ctrl+alt+down-arrow:

If Keys.ControlKey And e.KeyCode = Keys.Alt And e.KeyCode = Keys.Down Then
mytreeview.ExpandAll()
End If

[code].....

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Keyup Event - Get The Current Value Of The Current Row And Column

Sep 12, 2011

I have a datagridview having 3 columns (qty,scraft factor,actuall qty). What I want is if the user encode 50 in qty and 2 in scraf factor, actuall qty will automatically computed based on qty multiply by 2. I was using keyup event. Now I am using endedit to get the current value of the current row and column, now the problem is if the amount to be encoded is more than one digit it will not accept because of endedit. What event do I have to used? or any solution with this scenario.

[Code]...

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Sep 6, 2009

I have an ASP.NET application with a SQL Server back end. I am storing all my dates in UTC format and doing the appropriate conversions to the local time zone of the browser viewing it. One of the pages asks for a start date and end date (no times).

I am taking the start date and setting the time to 00:00:00 hours (midnight) and I'm taking the End time and adding a time of 23:59:59, so that the date range covers the whole day. Now what I'm trying to do is do a SQL query to do a search for records in this date range. The problem is, the data in SQL is in UTC time and the user is typing their dates and times in their local date and times. My quickest solution was to convert the date and time to UTC, then search the records. However, by doing this, I am to believe ASP.NET converts the given time and date to UTC based on the server time zone. How can I convert a date and time to UTC time based on the time zone of the user?

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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

[code]....

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

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How To Handle KeyDown

Jul 24, 2009

Ok here's my dilemma. here's this code I have:

If e.KeyCode = Keys.A Then
TextBox1.AppendText("C, ")
PictureBox2.Visible = True

[code].....

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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 "keys.tab" 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 = Keys.tab Then
If IsNumeric(TxtLname.Text) Then[code].....

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Keydown Not Looping?

Jan 2, 2012

I'm building a slot machine, and I'm having some trouble.re's the

'Pulls down the slot
If e.KeyCode = Keys.Space Then
PictureBox2.Focus()

[code]....

When I debug and click space down, my picture box of the knob slides on down to 175, pauses, and shoots back up. The problem I'm running into, is that it doesn't do anything if I try to pull the knob down again. It doesn't bug out or anything, but it just doesn't do it again

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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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My Keydown Not Firing

Oct 23, 2010

ABCDE keydown events, the ones I needed, are not firing. I even set my Form KeyPreview to true but no joy.

up and down arrow keydown events work though.[code]...

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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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Use The KeyDown On A Picturebox?

Oct 6, 2010

Is it possible to use the KeyDown on a picturebox?What I want is that when somebody presses the SPACEBAR the cursor has to change in the Hand-icon...and additionally do some operations when moving over the picturebox. I fact...when spacebar hasn't been pressed you can just move around the picturebox, without anything happening...with the spacebar pressed the cursor should change and you should be able to scroll the image using the mouse moving.

what I have is :

'in my global sub that loads everything, not the Main.Load, because he has to check some stuff in advance
AddHandler ACO_graph.PreviewKeyDown, AddressOf Me.ACO_graph_PreviewKeyDown
AddHandler ACO_graph.KeyDown, AddressOf Me.ACO_graph_KeyDown

[code]....

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.net - Form KeyDown Not Working?

Apr 3, 2011

Private Sub Form1_KeyDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles MyBase.KeyDown
If e.Control Then
MessageBox.Show("aaaa")
End If
End Sub

As you can see, my form will check for when the control key is pressed down.But it doesn't work. Why?

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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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Calling Keydown From A Procedure?

May 20, 2010

I am trying to call the form_Keydown method from a procedure, CharacterJump()

Here is my

Keydown
frmGame_KeyDown(Nothing, New KeyEventArgs(Keys.Right))

What I am trying to do is after the user moves the character with the right arrow key and presses the up button to jump while still holding the right arrow key, the character will continue on moving, but the code that I put only does one movement and does not keep going.

Edit: I think I know the reason why it is only doing it once; it is because the keydown procedure is being called and therefore only executed once. The question is, how do I make it so it goes to keydown and doesn't return?

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