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

Feb 25, 2009

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Horizontal Scroll Control - Using It To Scroll A Series Of Panels Across A Form?

Nov 11, 2010

I am having an odd problem with the Horizontal Scroll Control in my program.I am using it to scroll a series of panels across a form.This is my code:

Private
Sub scrHoriz_Scroll(ByVal
sender As[code]....

The problem is that this works perfectly if I use the left and right arrows and it also works perfectly if I use the scroll bar's slider SLOWLY. If I scroll using the slider and move it quickly then the scroll gets out of sync.The small change and large change are both set to 1 and maximum is set to 8

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Making A DataGridView Horizontal Scroll Event Scroll Another Control

Aug 5, 2011

I have a DataGridView with a panel above it, that contains a group of textboxes above each column. My DataGridView has a horizontal scroll bar. What I want to do is when the DataGridView scrolls horizontally, scroll the panel with textboxes above it, so they stay aligned.I tried handling the DataGridView's scroll event, but I'm not sure what to do with it.

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VS 2010 Panel Auto-scroll Will Not Show Vertical Scroll Bar?

Jun 12, 2011

I am loading several command buttons into it (one in each grid box). I have the panel set to autoscroll. When TableLayoutPanel is set to AddColumns, all works well. However, I dont want horizontal scroll, I want vertical. When I set TableLayoutPanel to AddRows, a vertical scrollbar will not appear.

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Jan 6, 2010

How would I leave the vertical scroll position as it is and set the horizontal scroll position all the way left if it isn't already in that position? I've been using Me.AutoScrollPosition and have come up with code that is satisfactory but I haven't been able to always leave the vertical scroll position exactly as it is and just move the horizontal scroll position to the left limit.

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Mar 13, 2010

I have a textbox that shows events on a program, which I add. I use the 'scroll bar' option on the textbox to show the vertical scroll bar, but how do I make it stay at the bottom most possible? I am using this code while I am trying to learn how to do what I want the scroll bar to:[code]But how do I get it so the scroll bar will stay at the bottom-most it can? I'd like the newest, most recent events to appear at the bottom of the textbox, and to have the user not have to scroll down every time something new is added.

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Scroll Bars Not Long Enough To Scroll Panel Far Enough?

Aug 19, 2009

i have 2 controls on a form. Panel1 and picturebox. I am using the following code to zoom in.

PicBox.Width = PicBox.Width + 100
PicBox.Height = PicBox.Height + 75
'PicBox.Left = PicBox.Left - 50
'PicBox1st.Top = PicBox.Top - 20

i am also using the following code to try and scroll whilst zoomed in

Inherits System.Windows.Forms.Form
Private m_PanStartPoint As New Point
Private Sub picbox_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PicBox.MouseDown
'Capture the initial point

[code]....

I have set the panel to autoscroll and added scroll bars but they do not scroll far enough... They only scroll about 2cm.

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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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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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Making A Color Wheel In VBS

Sep 26, 2009

is there anyway I can make a color-wheel in VBS like this one: [URL]

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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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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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How To Show The Waiting Wheel Of Vista

Jun 29, 2009

how do you show the vista waiting wheel close to the mouse ( in a wpf application)

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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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Add A Spinning Wheel While Application Is Searching Database?

Nov 30, 2010

I have an application that searches in a database for some information.Since the database is quite big, it sometimes takes a lot of time before the application returns the results to the interface.

I want to add some sort of spinning wheel to inform the user that the application is still searching the database and did not freeze. Once the results are returned, the wheel should disappear.

Any idea how to do this or is there a good tutorial explaining how to do this?

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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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Sep 11, 2010

I want to capture the Steering wheel and pedal output with my vb.net program , so my question is what kind of brand or type of Steering wheel and pedal should I look for that would be the easiest for this?

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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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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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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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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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