Access Control On Active MDI Child?
Apr 7, 2010
I have got a project that i am currently creating that is a basic word processing application. There is the capability to have unlimited MDI child forms open however when you click on change font colour of something similar i only want it to do it in the currently active MDIChild. I have found the Me.activemdichild however i cant then access controls on that form.
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Feb 23, 2010
After getting the current mdi active child form, how can I get it's control collection so I can access their data?
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Mar 29, 2012
I try to access the MainContentBlock control from the aspx, but unable to do so. In the aspx file I have registered both controls:
[Code]...
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Mar 30, 2009
I want to get the active control (control which has the focus or where the cursor is on) each time the cursor moves to another control or each time a control receives a focus.
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Nov 7, 2009
How could I get information from the active MDI child? And another thing I'm wanting to know, is it possible to run another program as an MDI child within your MDI parent form?
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Jul 20, 2010
I want to get the contents of the active child MDI form, how do you do that? Here's what I did to create a child form.
childForm += 1
If childForm > UBound(childForms) Then
ReDim childForms(childForm)
[Code].....
So say I want to get the text from an active form. How can I get the active form id so I can just do this?
childforms(childform).textbox1.text
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May 31, 2011
I just starting to use MDI form. I can show the child MDI form, without any problem. My problem is that I want to close the child form also from the parent menu bar. This is my code:
Private Sub CloseToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CloseToolStripMenuItem.Click
Dim frmActive As Form = Me.ActivateMdiChild
[code].....
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May 28, 2011
how to get all the active mdi child in an application..it is possible to work? me.ActiveMdiChild.Name
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Aug 29, 2010
I am having trouble catching getting the currently active text input on a 3rd party window.
If I use GetForegroundWindow it returns the handle of the main process of that window.
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Jul 8, 2009
When I have two MDI Child forms opened, it is difficult to visually see the active form versus the non-active form.I would like to have the Active Form stand out more, say a yellow border.
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Aug 18, 2011
I'm from denmark and hope I can explain my question for you. This is just a example: I have a panel, let's say panel1 and another panel on that panel (panel2) and so on until for example panel5 - on panel5 I have a button (button1). Now I would like to change button1's backcolor property through code how do I then get access to button1, now it's a child-control on panel5 that is a child control on panel4 etc. ??
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Aug 20, 2009
I'm trying to call a method defined within a child form from the menu strip of the parent form when the child form is active.
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Jul 29, 2010
I have 3 forms, one frmMain - main form, second is frmUserType- childform, and the last frmCreateUserType. In the main form I have a menu item to open my frmUserType, In this form I have a button to open another form which is my frmCreateUserType, In this form I have a button to add records then update the listview in frmUserType. The problem is the listview will not access with my add button control in frmCreateUserType. I tried not to used mdiparent declaration for my frmMain and frmUserType as children and it works, so meaning that the problem is showing my frmUserType as childform?I am using vb.net 2008
Code to open my second form (frmUserType)
[CODE]...........
Code for my add button to update the listview in frmUserType
[CODE]...........
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Dec 11, 2011
how to put this on a background worker without getting cross thread errors??? trying to upload a childform object values to an access db.I don't work in IT,Our company's LAN so slow that it takes around 3~5 seconds trying to update/insert values in access using the code below so putting it on a background worker i think makes the app immediately usable once save/upload's called unless otherwise somebody could suggest a faster way to speed things up.[code]
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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 28, 2012
It has to be a simple line of code but I do not know how to construct it. Using VB 2010 Express, I have a MDI parent form and many child forms. I want the parent form to determine what child form is active and load data into the RichTextBox1 on the child form. Each Child form has a RichTextBox1. The parent form gets its data by loading a file.
I am close to a solution but just can't get there. You will see in the code below, if I make a direct reference to a specific child form, it works great. What I want to do is to use the Active Form function to determine which form to write to. I have looked at the MS tutorial which gets me close.
Private
Sub OpenToolStripMenuItem_Click(ByVal sender
As System.Object,
[Code].....
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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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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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Mar 25, 2011
I having a program built in VB.Net and would like to take in the users windows name and then compatre that with a security group in AD, if they are in a certain group then redirect them to the next page otherwise block them.I have tried many ways using many different snippets of code from different forums, but cannot find a code piece of code that works?
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Jul 3, 2011
I would like to get the control name, regardless of if its on the projects form or not. put it in a thumbnail following the mouse...
So if i open up notepad it would give me the active control name...
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Dec 24, 2009
I have 9 textboxes in 1 form and couple of buttons to add unicode symbols inside the last active textbox when the button is pressed. So how do I find out which textbox was last active when the button was pressed.
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Dec 19, 2009
how to get the name of the active control in Visual basic
system.reflection..... that doesnt work
like i use addhandler so if I do that it gets me the name of the adress of the original control
Also, I'm trying to get a toolstripdropdown menu as a bookmarks thing; how can I get the name of the selected dropdown item?
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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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Jul 26, 2010
I have to access the active x dll which is installed on my system from VB.net.
I added as reference and followed all the steps as given in I have declared private mycomponent as activexcomponent.libclass and i gave constructor for this i.e. creating the object for this class in the constructor of the main form as mycomponet = new activexcomponent.libclass()
Then the following expection is coming when i tried to run the program.
System.InvalidOperationException: An
error occurred creating the form. See
Exception.InnerException for details.
[Code].....
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Mar 14, 2010
The following code lets me insert an image into an Active X Image box using 'GetOpenFilename', however, if I push the Cancel button I get an error saying that the file cannot be found. Can anyone provide me with some advice on how to handle this error, the code is below?
Private Sub Image1_Click()
Dim ImageOneLocation As String
ImageOneLocation = Application.GetOpenFilename
[code]....
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Mar 30, 2009
I want to get the active control (control which has the focus or where the cursor is on) each time the cursor moves to another control or each time a control receives a focus.
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Jul 26, 2011
In small project I am making , when I load the main for the list box is generated by data from xml ,well that done well , but I cant get the control active and I can getit to select item
Me activecontrol = listbox 1
ListBox1.SelectedItem = 0
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May 9, 2012
I wanted to create some CLR functions that will access Active Directory, but I discovered I can't add a reference to "System.DirectoryServices" to my CLR project.
I googled it, and found that I have to add the AD dll as an Assembly to the SQL Server. Like so:
CREATE ASSEMBLY [System.DirectoryServices]
FROM 'C:WindowsMicrosoft.NETFrameworkv2.0.50727System.DirectoryServices.dll'
WITH PERMISSION_SET = UNSAFE
GO
The problem here is that I have to set the "PERMISSION_SET = UNSAFE" to the dll... this means that I have to set the database as "TRUSTWORTHY ON", and this opens a can a worms!
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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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