MDI Container & Toolstrip - Giving Child Forms Foreground
Sep 3, 2010
So currently i have been working on a application that is a MDI parent, with child forms. I use a un docked toolstrip as a toolbox since i like the small icons and mouse hover, but one issue that bugs me is that when a child form is open in the parent form it's "under" the toolstrip. For example moving childform1 pass the toolstrip menu makes the form go under rather ontop. Is there anyway to give the child forms foreground when moving?
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Aug 13, 2009
Is there a way to draw in the foreground of a container control. Such as a Panel, or PictureBox.
I need to be able to draw across multiple controls all within the same container.
Lets say, that you have a Panel containing Five Buttons. Is there a way to draw say a line across all five buttons, that will show as a continuous line, using only the Graphics object of the container?
I can only get the line drawn in the background such that the controls are drawn over the line and it appears broken. In the actual usage there are 25 controls and I would rather not have to loop through each contorl and drawn the line if needed, every time the control is invalidated.
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Mar 30, 2009
I've two forms Form1 and Form2, I want to add container(*) in form2 having toolstrip(Toolbar) and later want to display that container(containing toolstrip) in Form1, that enable the user to use toolstrip to execute needed actions written in form2.
[Code]...
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Jun 22, 2010
In my program, I want the user to be able to move an MDI child window anywhere inside the MDI container but I need it to be kept completely inside the container boundary. For example, the upper left corner should never be at a location less than 0,0 when moved left or up. Currently, if I slide the child window too far left, it extends outside of the MDI container window and the MDI container shows the bottom scroll bar.
Is there a way to prevent the child window from moving outside of the boundaries of the container window? I tried adding code to the .move (see below) so that if the new location was less than 0,0 then it reset it to 0,0 but then the child window controls flicker as the window is moved beyond 0,0 and the logic moves it back to 0,0. It appears that even though the code changes the location to 0,0 and the window shows the child moved to 0,0, when the mouse moves again, the window jump back to its unmoved location.
Private Sub MyForm_Move(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Move
If Location.X < 0 Then
[Code].....
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Oct 15, 2011
I have this simple set a codes that opens a form as a child in MDI container.
Private Sub BarButtonItem1_ItemClick(sender As System.Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem1.ItemClick
frmConfirmShipment.MdiParent = Me
[Code]....
When i run this set of codes, system keep telling me that same form cannot be both mdichild and mdiparent, however, I never set my child form as a parent.
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Nov 23, 2010
Why does this happen?
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Apr 8, 2010
I have a small program I have designed to be able to sit in the background on my desktop, and whenever a new form is given focus (foreground) it's title and thread are recorded.
However, I would like the program to also report to me the X and Y coordinates of the foreground form. Could be any form NOT one that is attached to my program.
[Code]...
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Aug 21, 2008
see the code below i placed form and made it isMDIcontainer=trueadded treeview to this form and docked to leftadded split Containeradded 2 child forms namde Form3 & Form4
everything ok, except one thing the child forms not showing up
Public Class Form2
Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code].....
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Dec 17, 2011
A panel with enabled scrollbars has many buttons. If I push the tabulation key, focus navigates between buttons.When a partially visible button has focus, the panel scrolls itself in order to completely show the button.
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Jan 9, 2010
I'm working on a project that will create new windows components. (If this is possible). I have made a button that creates new forms when clicked in the MDI container.Now I'm just wondering if someone can figure out a code to make it so when I click a button it creates a new button on the new created form. [code]
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Feb 16, 2011
I have a Form, that is a MDI Container.But the grey window where the Childform are in has a 2 pixel width border around it.
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Jan 18, 2011
This should probably be a different topic, but the reason I was cutting/pasting is that I have a split panel form. I dock a toolstrip to the top of one panel, and then add a datagridview control. I set it to dock to parent, and it does, but goes under the toolstrip, hiding the top of the grid and scrollbar. Not acceptable of course. Is there a setting that I'm missing?
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Jul 12, 2011
I had a master form which has a MDI container.When I was load the master form, I will also display another form inside the MDI container.But I was fail to maximize the child form to fix the MDI container. The image below is my problem Untitled2.jpg. I need to expand the form above to touch the MDI container border. (Full size in the MDi container)But I was fail even I was set the child form window state to Maximized
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Mar 17, 2009
Am devloping an application with multiple forms, which reside on top of a main form. i.e the main application window. The 'child' forms do not need to be linked in any way as they do not pass information to the parent form, as all the parent form does is act as main window.Now I would like to know what is the correct way for the 'main window' form acting as a container for the other forms? So that all the smaller secondary forms stay focused on top of the main application form, that when the main window is minimized, so these forms should do also etc..
I have read other posts and they mention, leaving all the forms standard i.e. IsMdiContainer = False and then using form.showDialog() to call the secondary forms. This did not work for me as what happens is that as soon as I give focus to the main app form, the secondary form disappears underneath.I tired making the main app form IsMdiContainer = True and when it loads calling:
frmMemberForm.MdiParent = Me
Now this works, because I can click off the form and minimize the app etc and the frmMemberForm doesn't disappear. However if i close the MemberForm and reopen it, it looses this property and once again when it looses focus, it will disappear.
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Mar 24, 2009
I really want to make use of the toolstrip and databinding but these two technologies keep conflicting with each other. I think the root cause is something to with the fact that the toolstrip buttons don't recieve focus in the normal way.
I invite you to try the following:-
1. Create a form and put some text boxes a tool strip with a save button on it.
2. Write a query or sproc to get a datatable back and bind your text boxes to the field in the datatable.
3. In the code behind your Save ToolStripButton put some code that makes an arbitrary change to a field on the dataset (it doesn't matter whther this field is bound to a text box or not). eg:-
m_DataTable.Rows(0).Item("CommissionRatePerc") = "0.0000"
4. Put a breakpoint in the save and run the form.
5. Make some changes in the text boxes. Do not leave the last text box but rather click save while a text box whose contents you have edited still has focus.
6. When your code hits the breakpoint, query the value of the data table field that is bound to the text box you were editing when you clicked save - it will still contain the unedited value. Unless you do something about it that unedited value is going to get saved back to your DB.
We did get around this problem by explicetely setting the focus to another control on the form before saving. That worked most of the time because it prompts the text box to flush it's value back to the datatable (nb EndEdit does not work, although you'd have expected it to). However, and this is the reason I suggested you add a line of code that changed a value in the underlying datatable in step 3, if you change a value in code in this way before the value from the text box get's flushed back then it doesn't seem to matter what you do, the user's current edit is simply lost. They will still show in the text box, though, leading your user to believe that the change has been committed when it hasn't. Our final solution is that we never ever change a value in the adtaset in the code behind our toolstrip buttons. That's working but it's a pretty big restriction.
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Dec 11, 2009
I build my first Project composed of several forms and it�s working just fine. Id like now to redesign the project as a MDI Application. Once created the parent form, I can create child forms but thats not what I need. What I would need is convert my already designed and working forms to MDI child forms. How can that be done?
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Feb 11, 2009
Ive been working on this project of mine for some time now... though im not involved in IT in my current company, im just trying to help to at least have their system computerized (they are still doing it manually by paper & calculator)... I have one problem though which made me stick for 2 days (and still counting) without progress...How To Drag & Drop Between 2 Datagrids Between 2 similar MDI Child Forms
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Jul 1, 2009
I know I can set IsMidContainer in forms for parent-child relationship forms. I just want to know if the parent form could be a panel. If so, how can i do it?
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Apr 8, 2011
I have made a project on Library management system using Microsoft Visual Studio 2008 and Sql server 2005 .I have used MDiParent form in this project, from where I can click on the menu item to open the desired form.
I am now able to open the child forms in the main window background.Now what happens is When I click on one menu Item it open in the parent form background.I am able to open all child forms corresponding to the click event in the MenuToolStrip ...all in the Parent form Now the problem is that I cannot minimize child forms when I minimize Parent form..I want child forms also to minimize along with the Parent form.. Also are child forms still not attached to the parent Form is also my question here.....
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Mar 26, 2011
i'm a beginner in MDI form. i created a MDI form with buttons and child forms. when i click the forms continuously, many forms will be opened. how to avoid forms overlapping, in other words, duplicate
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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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Oct 12, 2010
I am re-doing part of a GUI for my project, The Windows Alias Generator, and decided to switch to MDI. The child forms consists only of RichTextBox1. Here's the generate routine called when the save is clicked:
Private Sub SaveAsToolStripMenuItem_Click(ByVal sender As Object, ByVal e As EventArgs) Handles SaveAsToolStripMenuItem.Click, SaveToolStripButton.Click
Dim ActiveMDI As Form = Me.ActiveMdiChild[code].....
But because I cannot define richtextbox1.text from the currently active MDI, I cannot use this routine...my question is this: How would I get RichTextBox1.text from the save option in the MDI form?
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Sep 19, 2011
I have a MDI child form with its own menus. (TestForm)When I call the child form (Testform.show) from the parent form menu, the MDI Child form's menus are appended to the container form..Essentially, the container form steals the menu of the child form..
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May 11, 2012
I have a MDI parent on which i launch a child form
Dim NewMDIChild As New Frm_addOT
'Set the Parent Form of the Child window.
NewMDIChild.MdiParent = Me
'Display the new form.
NewMDIChild.Show()
His child form contains several comboboxes which hold data from a dbase(sql)
When new data is entered in the cmb it checks the database and if it isn't in there it launches another window
FRM_OTlistaddklant.Visible = True
and copy's the newly entered text in a textbox.
FRM_OTlistaddklant.TB_klantnaam.Text = OTaddklant_naam
then i can give in the details etc.
now, when this is done and the users presses a button "Add"
the information is written to sql(which works perfect)
than i have a public sub on the Frm_addOT which should refill the combobox and
also set the backcolor to a specific color.
and the last two things will not work. Actually when i try to change the backcolor on Frm_addot it triggers the event backcolorchanged and says it has changed but it is not visible.
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Jan 19, 2011
Has anyone ever had or dealt with resizing issues on MDI Child forms? I am working on a VB.Net Windows applciation project I inherited from another devloper. When I took it over the forms had already been designed. There are one MDI Parent Form and two MDI Child Forms. When the application starts up the parent form and one child form open by default. Both the parent form and the child form will maximize, restore, and minimize. Although I have to move the parent form slightly, when it is not maximized I can resize it with the mouse pointer as expected. The child form will not resize and when I move the cursor to the border of the child form I do not even get the mouse pointer. Also, when both the parent and child form are maximized the vertical scrollbar on the child form is no longer displayed.
One potential problem is that there are lots of controls on the child form, which are inside several group boxes. When I comment out the controls, the blank form displays without the vertical scrollbar but will resize with the mouse pointer as expected. When I uncomment the controls the resizing does not work any more. The AutoSize propery on all of the controls is set to True. I tried commenting out the code setting the Autosize property to True on the group boxes only. The result of that is that the resizing still does not work and I lose the vertical scrollbar.I am trying to avoid having to redesign the form completely, however I am running out of alternatives. The project will not pass UAT if the resizing does not work.
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Feb 11, 2010
I'm just getting started in VBE 2008 porting a VB6 program and have created the MDI Parent form. I've added a form called frmNav and need to designate this and all subsequent forms as MDI child forms. Is there somewhere in each form's properties where I designate this? It used to be in VB6 there was a property called "MDIChild = True." input id="gwProxy" type="hidden"><!-- Session data--></input> <input id="jsProxy" onclick="jsCall();" type="hidden" />
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Mar 21, 2008
In VB6, MDI applications were possible. You'd create a form and a few Child forms and go with it.
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Oct 26, 2010
I want to access my arrays from many child forms. Where should my arrays and declarations be? and what is the code to access them?
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Jun 2, 2010
I have some VB.Net WinForms I imported from VB2005 that are MDI Child forms. In the old project the clipboard shortcuts work (Ctrl-V, etc.) but in the VS2010 project they do not. the ShortCutsEnabled property is true.Any way to get these working again without adding special code to replicate the feature? I have a bunch of forms to convert....The parent does have KeyPreview but I can comment that out and the problem still exists. I also hook the TextChanged event for dirty logic but I can comment that out also to no avail.
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Oct 5, 2009
I have been looking around at how I can close my parent form and my child form. This article: [URL] has some information but it either doesn't work for me or I am putting the wrong information it. What I want to happen is when a button is pressed I want to close both parent and child forms and then go to another form (frmResults). Then there will be a button on frmResults that will take me to the beginning form (frmPTCalculator). With this code below when I click the button on frmCalculator it goes to the MDI form and both parent and child forms are there.
my Parent form is called: frmGender
my Child form is call: frmMale & frmFemale
Below is what I have tried from the example in my Child form frmMale:
Private Sub btnResults_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnResults.Click
Dim frm2 As frmMale = New frmMale()
AddHandler frm2.FormClosed, AddressOf frm2_FormClosed
[code]....
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