VS 2008 : Getting The Position Of A Child Control?
Jan 22, 2011
In your opinion what API use Spy++ to get the "Rectangle" and "Restored Rect" data of a child control of an external window?I don't think it uses GetWindowPlacement because if I use this API for the main window I obtain the same values of Spy++, but if I use the GetWindowPlacement API to find the position of a control of the window itself, known it Hwnd, I obtain different results as to Spy++ (that are ALWAYS the same results also if I shift the Main window... so I think that are relative data and not absolute data... but they are wrong )
One example:
Spy++ : (620, 473)-(792, 505)
GetWindowPlacement: (615, 450)-(787, 482)
same dimensions... but different pos... and the right pos is the Spy++ pos.
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Apr 6, 2009
Well I'm not sure how to describe it so i uploaded an image that has 2 different control box positions.
[URL]
The one on top is set up as Render Mode=System while the other image is set up as Render Mode= ManagerRenderMode
Both applications were developed in VB using VS2005.
Each one has its MDI container and their MainMenuStrip set up..
What property/reason would be causing this? I just created a test program simulating the same case (MDI container with child forms) and everytime i maximized the control boxes appear in the correct position.
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Oct 24, 2009
In my form I hace a Groupbox1, within Groupbox1 have a Groupbox2, within Groupbox2 have a Textbox1..how to call the Texbox1 from another form? When I use Dim newControl As Control = Form1.Controls(Textbox1.Name) I get nothing value?if I use Form1.Controls(Groupbox1.Name) it can get the Groupbox1
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Jan 21, 2011
In the form property i set CENTER TO PARENT but its not working then i also write a code but still form not shown in the center
Private Sub About_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles About.Click
Dim aboutdev As New aboutaut()
aboutdev.MdiParent = Me
[code]....
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Nov 19, 2011
If you have a Control contained within another Control and the Child Control has the default Anchoring (Top + Left) AND AutoSize=False (Assuming the control has that Property) changing the Parent Control's Top or Left Padding will not offset the Child Control.If you change the Anchoring of the Child Control to anything other than the default values OR set AutoSize=True, the Control is correctly offset when the Parent Control's Padding values are changed.
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Dec 18, 2009
I need to determine the child control with focus - I've got lots of controls in panels and other container controls so the ActiveControl is simply coming back as the TOP LEVEL panel I was trying something like this:
[Code]...
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Sep 22, 2010
In a MDI WinForm I want to save each child window position and state, per application user, that is different by the logged in Windows user. My application has its own users; so I won't use the user settings like my.Settings... etc.One option is to read/write directly to the database, but I don't like the idea to access the database for something so trivial as the windows positions. The plus is that I could store that information independently by the machine where the user works, wherever she logs in, her preferences will be remembered.Another option, that I'd like to follow, is to use Xml to store that information in a file locally on the user's computer. The structure could be something like:
<form name="form name">
<Top>120</Top>
<Left>100</Left>[code]....
how this could be done; maybe using Linq to Xml? I've found I can write something as simple as
Dim formPos As XElement = _
<User><%= My.Application.connectedUser.id %>
<form1>[code].....
2) How to write the XElement when finished building it. Should I use an XmlWriter.Create? Hot to pass it the XElement?
3) What happens when in the Xml file there's already a node with the same name, I want to overwrite the previous user settings if they are already there, but not append to the file, nor rewrite the entire file, of course.
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Feb 21, 2009
How to set child form start position in vb.net that will be work in different screen resolutions
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Dec 6, 2009
How can I make my MDI child form to load in a specific position in the parent form? Or preferably, how can I make the child form Dock Inside a Panel in the parent form?
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Mar 25, 2011
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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Dec 5, 2010
I am using the following code to populate data in Textbox1:
[Code]...
I have few functions assigned in TextBox1_TextChanged event. The problem i am facing is this event is fired twice, once after the Fill command and another after the Position command whereas i want the event to fire only once after the Position command. What should i do?
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Feb 16, 2011
I'm trying to make a program with transparent labels over pictureboxes and when I set the label Parent to the PictureBox the position of the label changes.
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Jun 6, 2012
Is there a way to bind the text property of a control to an expression? I have a user control that I add to a FlowLayoutPanel. You can see I have 4 controls in the FlowLayoutPanel below. The first control is a LinkLabel and the other three are my user controls which are numbered 1, 2, & 3. I'd like to bind the label that shows the 1, 2, or 3 to the user controls index within the FlowLayoutPanel.
If I happen to remove the 2nd user control I want the 3rd user control to now display 2. I could use the FlowLayoutPanel ControlAdded or ControlRemoved events, but wanted to see if I could do some binding first.
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Jun 30, 2010
I have a UserControl that contains other controls that I would like to be able to rearrange or resize at design time. So I have a custom designer for the UserControl that inherits from System.Windows.Forms.Design.ParentControlDesigner, and I call EnableDesignMode on the child controls from within the designer. That way, at design time, I can drag and drop the child controls to move them, or resize them. But I can also drag and drop the child controls somewhere else on the form that is outside of the original UserControl. Is there a way I can limit the child controls from being moved or resized outside the UserControl?
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Feb 24, 2012
I've looked throu all of the SendMessage(messages) but there does not seem to be anything like WM_GetPos.Now I can accomplish through AHK with ControlGetPos, but for the life of me I can not figure out what Win API function they are calling to accomplish this.We have an order entry system we use, that I am trying to automate the printing of our reports (we have 4 per order form) to save time
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Aug 19, 2009
I am still messing around with Cntrl/Copy and Paste from a menustrip. Paste is working fine. The copy is working to a certain extent. It will copy the complete text field from one control to another. how do I determine what is the selected text only. My code below:
Private Sub CopyToolStripMenuItem_Click(ByVal sender As Object, ByVal e As EventArgs) Handles CopyToolStripMenuItem.Click
Dim activeChild As Form = Me.ActiveMdiChild ' Determine the active child form.
Dim activeControl As Control = activeChild.ActiveControl
[code]....
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May 22, 2010
I am using Visual Basic .Net 2005 professional.From what I understand, I should be disposing of any object that is an unmanaged resource. I understand the best way to tell if a resource is unmanaged is if it has a Dispose method. ie: If I type a dot after my object, intellisense shows .Dispose() as one of the options. If it does, it's an unmanaged resource. Is that correct? In that case, pretty much every control is an unmanaged resource: buttons, forms, panels, etc.In the application I am working on I use an MDIparent container form, which contains MDI children forms, which themselves contain Panels, Menus, Groupboxes, etc, which in turn contain Buttons, Textboxes, Labels, Dropdowns, etc.Do I have to dispose of each button, textbox, label and dropdown within a panel before disposing of the panel?
Do I have to dispose of each panel, menu, and groupbox before disposing of the MDI child form?.Or can I just call the Dispose() method of the MDIchild form and the GarbageCollector will take care of all the controls and resources within the form?Watching the "mem usage" in Windows Task Manager seems to be an unreliable way to detect if I have a memory leak. The numbers just keep climbing and falling (mostly climbing) erratically and without any activity performed on the application. Is there some (relatively) easy way to detect leaks?
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Apr 20, 2012
I have a UserControl named DataGridViewFilterAndSorter that I built using a SplitContainer. In each Panel of the SplitContainer contains a FlowLayoutPanel and in each FlowLayoutPanel contains a LinkLabel.
I have a procedure that accepts a reference to one of the FlowLayoutPanels in the UserControl. I want to get a reference to the UserControl (DataGridViewFilterAndSorter) using the FlowLayoutPanel reference. Currently, I have to use this[code]...
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Apr 11, 2011
how to fix the child form position from parent mdi form in vb environemnt ?? i seek from several forums and articles on internet still can't find .. Currently i have 5 child form in a parent when i click on it frm the 1st frm till the 5th frm the child form position will coming down...
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Feb 18, 2011
Im working with MDI parent/child objects. when closing the child objects i need the child to check to see if it is the last child object before closing. i couldn't find anything on google, maybe im searching for the wrong thing.
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Jul 14, 2009
I have a datagridview, a bindingnavigator both of them link to a datasource. i want to ask you how can i control position of CurrencyManager.
I tried but not yet :
[code]...
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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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Oct 1, 2009
How can i know name of control which is in position of mouse (cursor ).
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Dec 11, 2009
How Can I Get The X,Y Position Of A Control In A Form?
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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:
myform1.controls.add(mylabel2)
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 = color.red
[Code].....
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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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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Oct 11, 2011
how i can set screen position for control(Like Button)?
*I'm talking about position(screen), not about location
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Mar 28, 2011
I have a user control where in the user control that there are 3 other controls for the PictureBox, button1 and button2.for the PictureBox control I want to resize when the user control in he will change length and width.button1 and button2 whereas only change in the position left alone.I include the following examples in resize images before and after.
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Jan 20, 2011
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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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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