Cursor - Get The Position Of The Mouse Relative To The Browser Control

May 13, 2010

I have a hobby of making webbrowsers. I'm writing a new one, but it has an old webbrowser control in it (CEXWB). This means that I am using IHTMLDocument(s) rather than normal HTMLDocuments. I'm in the process of implementing a ContextMenu, but I need to get the position of the mouse relative to the browser control, so using something like Cursor.Position won't work. The Webbrowser_MouseMove event also won't work. I'm not sure why. I also can't use WithEvents with a HtmlDocument (like in my webbrowser ContextMenu tutorial) as I cannot Convert A System.Windows.Forms.HtmlElement into an mshtml.IHTMLDocument2.

So far, I have this code:

'The event which fires when the ContextMenu for the browser Opens
Private Sub cmenuWB_PopupOpen(ByVal sender As Object, ByVal e As DevComponents.DotNetBar.PopupOpenEventArgs) Handles cmenuWB.PopupOpen


How I could implement this?


Make Relative Cursor Position On The Form?

Jun 3, 2012

I am working on a screen cropping program. The program works by expanding the current for to maximum and the opacity level set to 35% so the screencan be seen from behind. The cropping code is below:

Private Sub disect_mouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Me.MouseDown
Me.Opacity = 0


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Jan 7, 2009

I've used the search function but couldn't yield any solutions. Sorry if I didn't look hard enough. Anyway, it's just a quick question. How can I find the mouse cursor X and Y co-ordinates relative to the form itself and NOT the screen?

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I want to set control position relative to other control so when i make one control hide then other control move up like this.

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Apr 21, 2009

I'm trying to create a hook to monitor the current position of the mouse cursor. Nothing important, I just need to count some pixels during interface design and wanted to learn how to create a hook, so I decided to go for a hard way instead of a sane way.

I've found example code which declares the following function:

<DllImport("User32.dll", CharSet:=CharSet.Auto, _
CallingConvention:=CallingConvention.StdCall)> _
Public Overloads Shared Function SetWindowsHookEx _


But Appdomain.GetCurrentThreadID generates the warning: "'Public Shared Function GetCurrentThreadId() As Integer' is obsolete: 'AppDomain.GetCurrentThreadId has been deprecated because it does not provide a stable Id when managed threads are running on fibers (aka lightweight threads). To get a stable identifier for a managed thread, use the ManagedThreadId property on Thread."

I've tried using ManagedThreadID, but that doesn't work. The thread ID returned seems to be the logical thread ID of the thread, as it runs in the .net runtime, rather than the Win32 thread identifier.

Calling the function ith AppDomain.GetCurrentThreadID works, but I really would like to have a "stable identifier" for my thread.

Can someone explain to me whether it is possible to use ManagedThreadID in this context (I assume not) and, if not, the things I need to avoid in order to stop the AppDomain.CurrentThreadID from becoming "unstable"?

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VS 2008 Setting The Mouse Cursor Position From A Textbox?

Feb 22, 2010

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Oct 6, 2008

Apologies as this has probably been answered a million different times a million different ways already. I'm trying to control the mouse. I wish to move the mouse to a given pixel position (x, y) and cause a click. I don't want this to be limited within a form, as I want to control another application. I'm using VB 2005.

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Sep 15, 2009

Private Sub pSalar_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles pSalar.MouseDown My problem is that this panel is the parent of labels, and when I click somewhere on the panel, I can't get it to trigger the event. If I remove the line below, it works ok (but then obviously it's not holding any children labels anymore)[code]....

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Forms :: Get Name Of Control At Cursor Position?

Sep 10, 2009

How do I get the name of the (topmost?) control at the cursor position? The background: I implemented drag'n'drop from a dgv to a label and need to identify the control where the mouse button is released. I have enabled dropping on the label where the drop is going to take place. However, this label is the parent of say a hundred labels that are created dynamically in codebehind (I use this way to create a "dataview"). Therefore, I need to know which of these "child" labels the user drops the data onto.

I can get the mouseposition without problems (Me.PointToClient(Cursor.Position).ToString), but as I said, I can't get the name/text/ID of the control the user dropped the data on. Also, I ned to get the child control's name/ID/Text, not the parent label of course.In addition, it seems as if I can't select the row I click on in the dgv anymore, after I implemented the DoDragDrop on the CellMouseDown event. Any ideas? Should I use another event?

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Apr 27, 2010

I have created a user control tha inherits from the NumericUpDown Control.Is it possible to set the cursor position within the control?I am validating the text OnKeyUp, and formatting it when it meets certain criteria.To do this i have to do me.text = Fomatted(Me.Text), which sets the cursor back to the position 0, i want to set it to the end of the text area.

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Oct 1, 2009

How can i know name of control which is in position of mouse (cursor ).

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Dec 6, 2009

I have a label (mylabel1) control that is say size 200 by 200.  I then add another label (mylabel2) to it as:


When the mouse enters mylabel1, I want to say change the backcolor as:

Private Sub mylabel1_MouseEnter(ByVal sender As Object, ByVal e As System.EventArgs) Handles mylabel1.MouseEnter
mylabel1.backcolor =


this works fine except that when the mouse passes over mylabel2 which was added to the controls collection, it fires the mouseleave event for mylabel1.  Is there a way to do this without having the mouseleave event of mylabel1 having to be checked against the mouseenter event of mylabel2??

I am ultimately going to have a parent container that has multiple children but I don't want the children to effect my changing colors and effects when the mouse has entered the parent.

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I would like to accept input bytes or words from the serial port(this part can do using serial port control) and use those values to control position of the mouse on screen to use MSPaint. How can I control the mouse ?

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Jul 18, 2012

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Jul 9, 2010

I'm writing a VB.Net WinForms application that has multiple data girds on any given form. On one such form, the data grids are loaded into split containers which in turn are located on a tab control. The load method for each data grid is threaded so that an animated "Loading" form can be shown. I would like to position the new loading form (which is smaller than the grid) on top of, and preferably in the center of, the grid that is loading. Whats the easiest way to find the grids location within the main form so that I can adjust the loading forms location?

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Jul 28, 2009

I've got a set of controls in a line inside"FollowTableLayoutPanel1", contained within "TableLayoutPanel2".I have them resizing according to the position of the mouse cursor; the closer the mouse cursor is to the vertical centre of the control, the larger the control is. Because FollowTableLayoutPanel1 has its anchor property set to "Top", it recentres itself in TableLayoutPanel2.It is possible for the recentring of FollowTableLayoutPanel1 to move a control one pixel further away from the mouse pointer, which causes the control to shrink, which causes FollowTableLayoutPanel1 to recentre, placing the control closer to the mouse pointer, which causes the control to grow,which causes FollowTableLayoutPanel1 to recentre, which moves the control further away from the mouse cursor, etc., etc., etc.The end result is that the whole setup judders and wobbles, constantly resizing.Full example code is provided below,and can be pasted directly into Form1 of a new project. Positioning the mouse cursor to correctly show the problem is left as an exercise for the reader :

Public Class Form1
Private Sub myInitializeComponent()
Me.components = New System.ComponentModel.Container
Me.TableLayoutPanel2 = New System.Windows.Forms.TableLayoutPanel[code].....

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Sep 26, 2009

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
End Sub

How do I make the cursor appear in textbox1 after clicking the button?

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I'm trying to get the cursor position within a webbrowser control, and then create a text range starting from the cursor to a specified word or character.I have some code but instead of selecting the specified range it selects the whole html block.


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In my application which is written on,i search for a word by typing the same in textbox here i have doubt to focus the cursor in the text box.. if i press first letter, say 'a', in textbox that will automatically search what are the words start with 'a'but after searching, cursor is not focussed in the textbox and to type another letter, say 'b', i need to bring my mouse pointer over the textbox and click so that i can type another can i keep my cursor focussed in the textbox unless i click somewhere else.

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Oct 6, 2009

I My Problems is when i don't put number and the textbox is empty TextBox string value but the cursor is integer i tryed whith if not string.isnullorempty but have an invalidcastexception in SetCursorPos(MousePositionX, MousePositionY) and if i put all as string happens the same whit the infinite value (empty textbox)

Public Class Form1
Private Declare Sub SetCursorPos Lib "User32" (ByVal X As Integer, ByVal Y As Integer)


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Trying to set the cursor position in a RichTextBox. The contents of a document are opened into the RichTextBox and I would like the cursor to move to the very start of the text.

At the moment, I'm using:

Me.tbLowerBody.SelectionStart = 0
Me.tbLowerBody.SelectionLength = 0

However, this seems to provoke my "Would you like to save changes" dialog on closing the RTB even though no actual changes have been made.

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I'm making some snippets and I want to position the cursor. I've come acros "$end$" but all examples I see are in c#. Since recently I've started programming in again and it seems $end$ isn't recognized or doesn't work here. Is there another keyword in vb to do the same?

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Dim str As String
Dim loc As Integer
If txtInput.Text.Length > 0 Then


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Jul 21, 2010

I'm trying to set a new cursor position but I get this error:
A call to PInvoke function 'mon! WindowsApplication1.Form1::SetCursorPos' has unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature.

Here is the code:
Declare Function SetCursorPos Lib "user32" _
(ByVal x As Long, ByVal y As Long) As Long
SetCursorPos(457, 603)
It used to work when I used VS 08 but now I use VS 10 and this problem has started to appear.

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I have a user control, and want to be able to update its cursor while it is disabled. For example, say that I have a user control whose cursor is Default. The below code works ONLY when the user control is already enabled; if it is disabled the below code doesn't work and the cursor remains Default: Me.MY_USER_CONTROL.Cursor = System.Windows.Forms.Cursors.WaitCursor

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i need to add an text at the end of the cursor position in vb .net .i tried

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it works but the cursor position sets to starting position

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Dim PB As New PictureBox
With PB


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I am trying to use a windows form as a custom contextmenu which is fine as I have done a form with translucent background colour. However the problem is that I am having problems displaying the form at my cursor position. I have a mdi chaild form in my app and when I right click I want to display my custom contextmenu form at the point where I right click in the mdichild form. The only other thing is that I want the middle of the form to be displayed at the cursor point.

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I'm having a difficult time getting cursor's position within the window I tried using : Cursor.Position.X and Cursor.Position.Y but it returns the position of the cursor on the screen and not in the window...

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What would be the proper way to get the cursor position while the mousebutton is held down? I've tried using a do while loop with a background worker, but it freezes up the application.

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Would someone advise as to why the cursor position code does not work in the downloaded code snippet this code is from the second tutorial located within VB 2010. The debugger moves through the method but the cursor is not affected in any manner i.e does not move to position 10,10 when called to do so.I am using XP windows 2003 as a virtual machine through Macintosh OS X 10.5.8 -maybe this has an effect somehow? [code]

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I have the following code to set the cursor position in a 16bit display:

linCursor.x1 = VB6.PixelsToTwipsX(lblDisplay(pintCursorPos).Left) + 10
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I need this code to be converted to

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I Would like to position the cursor in a text box using X,Y coordinates with X being the line number and Y being the column number. Is there any way to determine the line and column numbers of a textbox that is full of text. Using the .selectionstart paramenter only lets you position the cursor a certain distance from the beginning of text but there is no line information that I know of. By the way, I not an expert at VB so bear with me if these questions seem kind of basic.

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I want to find the cursor position when the cursor is over a WebBrowser. The WebBrowser does not contain mousemove command - 'panel' does.I thought I could put the WebBrowser on top of the Panel - but it doesn't work. how I can get the mouse location when it is over a WebBrowser?

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I know how to get the cursor position but how do I add a character to that position. Like I want to have a button that adds a specific character at the position of the cursor.

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If TypeOf Me.ActiveControl Is RichTextBox Then
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Oct 22, 2009

I want to use a conditional statement to determine whether the cursor clicked in a certain area of a form.  Here's my inoperative code:

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In Visual Basic 2010, how do I fetch the color of the pixel on the cursor's position (whether it be outside the program or inside)?

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Mar 5, 2010

I am trying to use a windows form as a custom contextmenu which is fine as I have done a form with translucent background colour. However the problem is that I am having problems displaying the form at my cursor position. I have a mdi chaild form in my app and when I right click I want to display my custom contextmenu form at the point where I right click in the mdichild form. The only other thing is that I want the middle of the form to be displayed at the cursor point.

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