Disable Mouse Scroll Wheel In Combobox?

Jun 3, 2010

Does anyone know of a way to disable the mouse scroll wheel when a control such as a ombobox or listbox has focus? For my purposes, combobox is all I need the answer for.I have a combobox set to trigger a SQL query on SelectedIndexChanged, and accidentally scrolling the wheel while the combobox has focus causes about six SQL queries to fire off simultaneously.

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Tab Control Scrolling - Middle Mouse Wheel Doesn't Scroll The Scroll Bar

May 22, 2012

I have a tab control with two tab pages. One page has the auto scroll enabled since there is to much content in the page. The middle mouse wheel doesn't scroll the scroll bar; I have to actually click and hold the scroll bar and drag it down to scroll. Is there a property to allow this?

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Scroll Up/down Picturebox With Mouse Wheel?

Mar 9, 2009

I have 1 panel and 1 picturebox and I want to scroll up/down picturebox with mouse wheel.

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MOUSE WHEEL SCROLL LINES DEFAULT IS 3. - VB 2005 ?

Feb 25, 2009

My application uses a trackbar to sort images.It works best if the mouse wheel scroll lines value is one.I can advise my users to set the value themselves in the control panel having determined it is three, but I cant set a users scroll value to one for them.I would like to have some visual basic code in the form load that sets the scroll line value to one.

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VS 2005 : Disable Mouse Wheel Scrolling?

Oct 7, 2009

how to disable mouse scrolling only in selected combobox..ex. i want only scroll function ius disable only in combobox1 and combobox2

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Disabling Mouse Wheel In Combobox

Aug 22, 2008

I want my combobox to work like the one in Internet Explorer Address Bar,which does not move on move wheel move and the up and down arrow keys. I tried this code but it didn't help.Private Sub ComboBox1_MouseWheel(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles ComboBox1.MouseWheel RemoveHandler ComboBox1.MouseWheel, AddressOf ComboBox1_MouseWheel End Sub

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VS 2010 Way To Control Mouse Wheel Rotation With A Simple API / Without To Hook Mouse?

May 24, 2012

The GetAsyncKeyState Api does'nt recognizes the mouse wheel rotation, I see.Is there way to control the mouse wheel rotation (always, not only when the pointer is over a form of mine) with a simple API, without to Hook the mouse?

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.net - How To Retarget The Scroll Wheel

Apr 1, 2010

I have a form in VB.Net with Autoscroll enabled and several ComboBoxes within it. When I click on a ComboBox, I can use the mouse wheel to scroll through options, but I cannot deselect the ComboBox (by clicking off it on a blank portion of the parent form) in order to return to scrolling the parent form. This makes navigation in the form annoying, as I instinctively click off the control and flip the scroll wheel, causing the ComboBox to change selections instead of moving the parent form.

Is there a way to make this work in the intuitive way I expect it to, or do I have some conceptual confusion that makes this the wrong question to ask?

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VS 2008 WM_VSCROLL Not Picking Up Scroll Wheel?

Dec 30, 2011

I am overriding the WndProc to capture the WM_VSCROLL of a textbox / RTB... However this does not seem to capture the scroll event if it happens from a scroll wheel of a mouse ... how can i pick this up?... i can't use the MouseWheel event because this occurs when the mouse is scroll wheel is actually turned and not after the content is actually scrolled.

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IDE :: Enable Mouse Wheel In IDE?

May 8, 2009

How can I enable my mouse wheel while using entering codebehind in the VB IDE?

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Any Way To Emulate Mouse Wheel Scrolling Up / Down?

Jan 15, 2009

Is it possible to emulate a mouse wheel scroll up/down with VB?

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Detect Mouse Wheel Tilt?

Jul 5, 2009

To detect rotation of the mouse wheel in .NET/WinForms, I can override OnMouseWheel. Clicking can be detected by overriding OnMouseDown (it's just the Middle button). But how do I detect tilting of the wheel (tilt to the left/right for horizontal scrolling)? Neither OnMouseWheel, not OnMouseDown is being called when I tilt the mouse wheel.

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Mouse Wheel When Over A Control - Regardless Of Focus?

Jul 16, 2009

how to capture the mouse wheel if the mouse is directly over my control - regardless of what form / control has focus?? - however if another window or control is over the control at the time it won't scroll.

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BindingNavigator - Using Mouse Wheel To Move Between Records

Feb 3, 2010

I have one form that display records and I use BindingNavigator to navigate trough the record. I want use also the wheel mouse to go up and down to the record, it's possible do this?

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C# - Shift + Mouse Wheel Horizontal Scrolling

Oct 19, 2011

The use of shift + scroll wheel is fairly common for horizontal scrolling.

Both of those are fairly easy to capture. I can use the MouseWheel event with a flag set by the KeyDown, KeyUp events to keep track of when the shift key is pressed.

However, how do I actually trigger the horizontal scrolling? I am aware of WM_MOUSEHWHEEL, can that be used to trigger the event?

Update: For a System.Windows.Form there is a HorizontalScroll property that is of type HScrollProperties. You can manipulate the Value attribute on that object to change the horizontal scrollbar's position. However, so far I haven't spotted any other controls on which that object is available.

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Mouse Wheel Does Not Work Once It Lost Focus?

Mar 24, 2012

i have use one mdi form and with in i have call form1. in mdi there is menu and text box.when i run program the mouse wheel work in form1. but when i click on text box after it only mouse wheel not work on form1.

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Use Mouse Wheel In Multi-line Textbox?

Aug 24, 2009

I have a multi-line text box with hundreds of lines. I would like to be able to scroll up or down in the list using the mousewheel (much like using the pgup/pgdown keys).  I think I need to use the .mousewheel event, but I'm not sure how to implement this.  Is that supported out of the box, or do I need to hook the mouse?

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VS 2005 - Disabling Mouse Wheel On A DataGridViewComboBoxColumn?

Sep 14, 2011

I have an unbound datagridview, where column #3 is a DataGridViewComboBoxColumn which is filled with some values for the user to choose.

Problem: mouse wheel.Users usually use the mouse wheel to scroll the datagridview. That is fine.However, if the focus is on a ComboboxCell, the wheel will not do the intended function (scrolling the grid), but will scroll the combo and change the cell value.
I am having lots of accidental changes because of that.

- Disable the wheel, if focus is ON DataGridViewComboBoxColumn ?

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Working With Mouse Wheel Not Moving Constantly

Feb 15, 2011

I was getting some slightly unusual behavior when using the mouse wheel for some zooming/scaling work (only vaguely related to the earlier thread, for those who remember it). Frankly, it is likely that I have a bug in some code, but that wasn't quite enough to explain what I was seeing. Therefore, I used a error logging feature in my app to note the delta being passed in each Mouse Wheel event. I then ran the app and gave the wheel one good spin, which was about the maximum that I would normally ever spin the wheel in one steady, continuous motion. I wasn't going slow, I wasn't going fast, and I rotated it about as much as my finger comfortably could in a single roll.[code]I then rolled it back the other way using the same motion, and got 8 events, mostly under 200, but one of them was -331 and the other was -7940.

After a handful of tests, it appears that the wheel event is raised often, which is no surprise, but that the values fluctuate all over the place. With a continuous rotation, or as nearly continuous as I can make it, I can see a series of events with one of them easily being ten times the rest.The problem this presents is that the scaling I am using is not smooth (nor is it standard mathematical scaling, but that's a different story). Each zoom level doubles the size of the objects relative to the previous level, though the distance between them stays the same. I would like to do this by dividing the delta by some factor, and if that is above a threshold, increase the zoom level. That won't work smoothly, in this case. If I make the factor something small enough that I pick up a small rotation, then any larger rotation is likely to include a delta that takes the screen through all zoom levels in a single step. Alternatively, if I make the factor large, then all smaller rotations are simply ignored.One option would be to filter out rotation values below 200 and above 800, or so. I am looking for other alternatives.

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.net - Using Mouse Wheel And Up Down Keys To Navigate Images In Imagelist?

Jan 17, 2012

The code given below works fine. The only problem is mouse wheel/keyup cannot be used after the TOP image is displayed, it fills the keyboard buffer. Then I have to wait awhile to use wheel/keydown. Also the images after wheel/keydown goes beyond last image. It should stop at the last image like it stops at the first image. Code courtesy of Geek On Demand.

[Code]...

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When Mouse Scroll The Datagridview Will Scroll Following Horizontal

Dec 10, 2009

Following default the datagridview will scroll following vertical. How can i do that. I tried :

DataGridView1.ScrollBars = ScrollBars.Horizontal but not work

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Control Zoom Level Of WinForms Using Mouse Sroll Wheel And Ctrl?

Mar 1, 2011

If I have a winform, may I know how can I control the zoom level of the font in theapplication (as well as the application window itself obviously) by using Ctrl + Mouse Scroll Wheel? I see there is a Delta in the Scroll Wheel event, but not sure how that works.Is there any code sample that I can look into?

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Detecting Mouse Wheel Events When Form Does Not Have Focus In Visual Basic 2010

Aug 11, 2011

I want to make an auto log off feature, I want to detect if there is any user input, and if there isn't the user will be automatically logged off. So I want to know how to detect mouse wheel events when the form doesn't have focus.

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Disable Mouse Click For A While Of Filter Mouse Clicks

Sep 1, 2011

Im using Visual Basic 2008 Express..Is there a way to disable mouse click for a while in Visual Basic 2008, I mean if mouse was clicked more than 1 time in very short time to click only once? -- I need it because my mouse became like crazy one.. when I click once it may clicks twice or more.so until I buy another one, I'd like to filter click, to allow only one click and to block another clicks that were made in last second.

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Disable Scroll Bar On A RichTextBox?

Nov 5, 2009

1) disable the scroll bar on a richtextbox

2) transfer all scroll capability to a standalone scrollbar control

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Disable Mouse While Mouse Is Over WebBrowserControl?

Jun 11, 2009

I have a WebBrowserControl on my main form and it auto navigates and all that just fine! What I would like to do is not allow the user to click anywhere within the WebBrowserControl while the program is running. Reason for this is that the browser self-navigates to a view of cameras and this shows scrollbars. My program then takes screenshots of specific coordinates on the screen so I do not want the user to use the scrollbars or highlight or do ANYTHING to the page once the program starts. I would like to change the cursor icon to like a red X or something similar to indicate no user functionality.

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Determine Mouse Scroll Up Or Down?

Dec 10, 2009

I searched on internet but i have not find out !

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How To Detect Mouse Scroll

Jan 30, 2011

how to detect mouse scroll with its direction ?

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RichTextBox Scroll 1 Line Instead Of 3 Or Disable Smooth Scrolling?

Feb 7, 2011

I am new to programming- basically I have a richtextbox1 with some data from the database,but when you scroll it scrolls 3 lines, whereas I want to scroll only one line at a time.

Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
Dim mySelectQuery As String

[code].....

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VS 2008 Disable Scroll Bars But Enable Scrolling?

Feb 4, 2010

I am building a basic web browser that I would like to not have any scroll bars (I can do this by setting the "ScrollBarsEnabled" button to False) but also still be able to have the scroll fulction via keyboard shortcuts.

IE when you press page up and down the page scrolls, but when they are disabled you can no longer use the page up and down keys to scroll.

Is there any "scroll function" in the browser like WebBrowser1.scrolldown etc that I could use? that I can have key strokes trigger?

A bit of an over view, the web browser is hosted in other software that has customizable buttons, these buttons can be set to send key strokes to the hosted app in this case my web browser.

Example of what I do for my home button

Private Sub browser_homebutton(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PreviewKeyDownEventArgs) Handles browser.PreviewKeyDown
If e.KeyCode = Keys.H And e.Modifiers = Keys.Control Then

[Code]....

Is there something similar I can do for scroll up and scroll down?

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Scroll Bars & Mouse In VS 2010

Mar 12, 2012

I am creating some help files by using a TabContol box, on one of the tabs I need to have the scroll bars to be able to scroll down to see all the info.In nearly all software packages that I know of, you can also use your mouses' scroll wheel to move the scroll bars. This is not happening for me in this particular situation. I have looked for a setting in the TabControls properties settings, but cannot find anything to enable the mouse to move the scroll bars.

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Mouse Scroll Up And Down Event Is Not Triggered On Picturebox?

Nov 15, 2010

I have a picture box in my form and now I want to add an event so that if the mouse is scrolled up the scale of the picture box gets larger and when the user scrolls down the size off the picture box gets smaller. This way I want to make a zoom in and out effect.So now i have the following code in the mouse wheel event of the Picture box:

If
e
.
Delta
>

[code]...

But somehow this whole mouse wheel event isn't fired.

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Scroll Panel Based On Mouse Position?

Aug 30, 2009

I'm trying to make an autoscroll enabled panel that will scroll if the mouseposition.x > panel.location.y However, I cannot seem to find a panel.scroll() function. Is there a way to programable make the control scroll?

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VS 2008 KeyDown And Mouse Scroll Events?

Sep 26, 2010

I try to catch the keydown event, but arrow keys don't fire this event, although I set KeyPreview = True. Arrow keys neither fire the KeyUp event. Not on the form or on any controls..

What is required to handle:

1. Arrow keydown or keyUp event with individual event handler based on mouse focus/hover (does the control have focus if mouse hovers on it, or it needs to be clicked?)

2. Mouse scroll events individually based on "mouse focus"

I don't actually need for the form... Since all the form is covered by controls.. But I need individually for different controls. Which are just buttons, labels and a chart control.

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C# - Disable The Keyboard And Mouse?

May 13, 2010

I am looking to create a VB.NET application. when the application is opened it will disable the keyboard and mouse so if you hit any keys it does nothing and you can not move the mouse. (even if currently selected window is not that of application).

MUST WORK ON WINDOWS 7!

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Disable Mouse And Keyboard?

Feb 1, 2009

Yes wat is the Source Code for Disabling Mouse and Keyboard?(For VB 2008)

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How To Disable The User's Mouse

Oct 28, 2010

What I have so far is a program that moves the mouse around my application. I used a bit a maths as well to make the movement smooth. Here's my code for anyone who is interested:

Code:
Public Sub MoveMouseCursor(ByVal DestinationX, ByVal DestinationY)
Dim DifferenceX As Integer = MousePosition.X - DestinationX
Dim DifferenceY As Integer = MousePosition.Y - DestinationY

[Code].....

Now with my problem. When the program is running, the last thing I want is for the user to be moving the mouse because the program would get disrupted. How can I enable and disable the use of the mouse for the users benefits really because if they even knock the mouse slightly it could cause them a few difficulties. Anyway, I am hardly restricting them from using their computer because there is only one mouse. If they want my program to run, then they will have to except the fact that they can't do something else in the mean time. Also, after the program has finished running, I will need to enable the mouse again.

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Disable Mouse Clicks, Right And Left

Jul 20, 2009

I have an application in Visual Basic Express 2008 that just has a Windows Media Player control on a blank form. In order to prevent the user from double clicking which would result in the media player full screening, I want to disable both right and left mouse clicks on the form and Windows Media Player control. Any suggestions?

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Disable Mouse While Over WBrowser Control?

Aug 2, 2009

How can I disable the mouse while it is over my web browser control. I do some code-navigating so I do not want the user to interact with the control while it is doing its thing (and it has to be visible)

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Disable The Keyboard And Mouse Input?

Jan 30, 2010

How can i disable the keyboard and mouse input?

Its not working:

Option Strict On
Option Explicit On
Private Declare Function BlockInput Lib "user32" (ByVal fBlock As Boolean) As Long

[Code]......

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How To Disable User Mouse And Keyboard

May 24, 2011

In visual basic how can I make the user's cursor not visible and the keyboard input not "enabled"?

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How To Disable/enable Mouse Click

Feb 1, 2012

I'am using vb 2005.me a hint how can i disable/enable my mouse click at runtime

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Script To Disable Keyboard And Mouse

Dec 25, 2011

I am kind of amazed that there is no answer to this anywhere and I mean anywhere. I am looking for a way to disable the keyboard (actually all input) on a computer. There are several threads about it but no one has ever posted any serious, working code. I know someone is going to inevitably ask "why would you want to do that"? Actually why I want to do it is immaterial but if you must know... I am playing with a "USB Keylock". When this USB Keylock is not present in the computer I want to disable the keyboard. When it is present I want to enable the keyboard.

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VS 2008 Disable Mouse Move?

Nov 12, 2010

i would like to write a function that when i click a button, the monitor will go in to standby mode, and then when i press the keyboard, it will wake up, but i do not the mouse wake up my monitor, how can i prevent my mouse wake up my monitor or how can i disable the mouse move?

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Disable Mouse When Using Touch Screen Monitor?

Nov 28, 2011

I want to disable the funtionality of using a mouse when using a touch screen monitor in vb.net. the reason why i ask is because i want to limit users to only one option. is there a way I can code this in vb.net 2010.

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