Adding Code To A Form While In Runtime?
Sep 13, 2011
i am in runtime mode and have a form open. I do some calculations on it and based on those i generate some lines of VB code (concatenated and saved in a local variable). Is there a VB command that i can use that will take this code and INSERT it into another form?
i could copy the code, exit runtime, go to design mode and paste it into the form myself but because i want to do this for several subs for a lot of forms then it will become very time consuming.
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Jan 27, 2010
Updating a VB6 prog in VS2005 on Windows 7. The prog has an MDI + child forms and there are a number of content types, with varying numbers of controls being set up and positioned from setup files.On forms which are not child forms I can easily add controls at run time like this:
Dim lab As New Label
With lab
.Left = 0 : .Top = 0
.Width = 800 : .Height = 800
[code]....
This doesn't work on a child form, no label is visible. Can't see any obvious problem in quickwatch.
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Jan 27, 2010
Updating a VB6 prog in VS2005 on Windows 7. The prog has an MDI + child forms and there are a number of content types, with varying numbers of controls being set up and positioned from setup files.On forms which are not child forms I can easily add controls at run time like this:
Dim lab As New Label
With lab
.Left = 0 : .Top = 0
[code]....
This doesn't work on a child form, no label is visible. Can't see any obvious problem in quickwatch. Is there some known reason for this or do I just have a wierd bug?
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Dec 20, 2010
I have created multiple dropdown list at runtime and populated with data. I also have added an eventhandler to determine the selected value of the drop down list.
The code is as follows :
Dim tbl As New Table()
tbl.EnableViewState = "true"
[code].....
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Apr 28, 2010
What I am trying to do is create a form in code that runs while the BackGround worker is running.I created a form the normal way with a label and progress bar but I want to update the label with what is going on in the BackGround Worker.Doing it the standard way isn't updating the label on the form.So my next idea is to create a form in code which I have done, but now I can't remember how to add controls to that form at runtime.Here is the code I have so far.[code]So from here I have tried the CreateControl() and the Controls.Add() and neither one is working for me.
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Jun 18, 2009
I've got a form with a TabControl. PictureBoxes (containing thumbnails) are added to each TabPage thru a loop. A click event Handler is added for each PictureBox. When a PictureBox is clicked, a new form is created thru code and a PictureBox is added to it that shows the pictures enlarged. What I need is to add another Handler to the PictureBox in the code-generated form so that I can rotate the pictures because some of them (photographs) were taken with the camera at 90 degree angles from vertical. I've tried to come up with a solution but I always run into the problem of the PictureBox on the code-generated form needing to be declared WithEvents before a Handler can be added.
Code for adding PictureBoxes to TabControl:
'Variable p declared public withevents at class level
p = New PictureBox
img = Image.FromFile(Path.GetFullPath(picfile))
[Code].....
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Apr 15, 2012
I have below code that set customised form border color and title. the form is missing icon though.how to add icon to the form as well.
Code blocks are created by indenting at least 4 spaces... and can span multiple lines 'A form with custom border and title bar.'Some functions, such as resize the window via mouse, are not implemented yet.
Public Class CustomBorderColorForm
'The color and the width of the border.
Private borderColor As Color = Color.GreenYellow
Private borderWidth As Integer = 3
[code]....
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Mar 30, 2011
This question is about VB.NET. I'm quite a novice on this one, so please forgive me if you feel that this question is nothing short of crazy or whatever. Anyway, I've been a creating a simple Windows addressbook Form application. We all know for a fact that a single person can have one or more addresses, of which a one-to-many relationship holds true. So there, my application also has to be able to edit each of these addresses (by the way, my application uses an Access Database, which really sucks but it's part of my task), and I already thought of using a control array (just like in PHP but it obviously never worked in .NET) for me to edit them. How am I supposed to implement this?
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Mar 9, 2009
I have some questions on AppSettings. I can add a setting at design time from the settings tab of the My Project. I would like to add to the settings at run time. I have not found a way to do this. I would in VB6 use an ini file but would like to start using xml.
The .net makes this folder for the settings C:UsersRyanAppDataLocalTestAppSettingsAppSettings.vshost.exe_Url _0ay3fimqt4k0pp1s2e4vb3pi3iymxzx2 .
How do I retrieve the location to add to the xml file?
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Dec 19, 2010
I want to place a few buttons on my form. The number is unknown at design time. Actually each button will represent an item entered in combo box. So if user adds an item, a button on the form should be added by the code.
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Jun 1, 2009
is there a tutorial (i looked, couldn't find) on adding controls at runtime?
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Jan 1, 2010
I've created a code that will add a control on runtime.
Sub Button_AddNewGradeEquivalent_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button_AddNewGradeEquivalent.Click
Dim newGradeRepresentation As New TextBox
Dim newGradeCondition As New ComboBox
Dim newGradePercentage As New TextBox
TextBoxItems += 1
[Code]...
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Mar 23, 2009
Can we add the datetimepicker control to a form at the press of a button?That too number of controls to add are more than two.
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Feb 2, 2010
How to add image at runtime when click the picturebox? Is picture box is suitable for it or not?
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Apr 5, 2009
I was wondering how I would go about adding resources into my program during runtime.
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Mar 23, 2011
I have added a DataGridViewComboBox to my DataGridView during design time. It has 0 items in it and I need to add a bunch of items to it during runtime.
In most controls, they have some kind of direct method like ".Items.Add("etc")", but for the life of me, I can't figure out how to access the DataGridViewColumn programmatically.
I can create a new ComboBox during runtime and add it to the DataGridView, but that's not what I need to do.
I played around with IntelliSense, I've searched on Google and I've looked through the documentation. The only thing I could find on MSDN was DataGridViewControlCollection, but I didn't see anything that would allow me to directly access that control.
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Nov 17, 2011
I was writing a program for creation of form to ticket reservation. The form creation and everything is done a runtime. The problem is that i wanted to include a validation process in which the program will check whether user has entered the data(name) before showing select airline list box There are 2 if conditions which i both want to validate and if both the IFs are validated then i want it to show the list box.I dont know how to do that. Below is the code snippet
Private Sub button_selectair(ByVal sender As Object, ByVal e As System.EventArgs)
If Me.Controls.Contains(t1) Then
If (t1.Text.Length <= 3) Then
MessageBox.Show("please enter a proper name")
[Code]....
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May 18, 2009
In the helpfiles of Visual Studio 2008 I read control arrays are no longer supported. There is an example for the new situation but then you need to hard code the names of all the controls beforehand.I do not know how many controls I need, could be one or 5000 (think simple image browser). Is it still possible to create something like that or should I change to a different programming language like Phyton? At the moment I work around it by using a browser control and then manipulate the <img> tags but I'm puzzeld as to why this functionality was removed and if there's a solution to the problem.Another thing I don't understand is where the app goes when it's installed with 'Click once'. It dissappears completely, doesn't show up in 'Program Files', can not be found by the search function but it *is* somewhere because you can start it form the Start menu. However, I use data which is in a subfolder of the program folder, which I nor my program can find any more after the app is installed. The program runs but it can't find any place to put/get its data so in the end it doesn't work.
I work around it by *not* installing the program but have people just run it after unpacking the downloaded folder. This works great but I wonder how long this will be the case until Microsoft disables this possibility? I have no idea why they would, but I also have no idea why they did remove the functionality I mentioned above. I already changed to PHP and MySQL because I had to throw away my carefully built W2K+MSAccess image database a few years ago and after installing Vista Visual Studio 2005 was a goner. OK, I upgraded but then no control arrays any more and now they hide the apps when you install them? Why on earth would they do that?
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Apr 14, 2010
I have a basic IDE for a user control i am building. It allows me to add labels to a panel and move them around, like a very basic form designer. When I add the controls to the panel at runtime, I'd like to give the control a unique name string like how the VS IDE tracks the controls it already has and adds an extra number when it creates the default control name. I have tried checking the controls collection each time a new control is added, but wasnt sure if there was a good string comparison method to return a name with a unique number on the end that hasn't been used yet.
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Dec 6, 2011
I am very interested to see the answer as I would like to know the significant differences (if any) of generally using one more than the other. In a few days, I will be starting my Java programming class to familiarize myself with the language.I do know that Java uses objects.My question/discussion is not necessarily related to .NET (although in a way, it is); my question is more about what is a better practice and why.Is it more proper to declare buttons and such through runtime rather than designer? Is it just more work typing everything? Or does build and run much faster?
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Jun 21, 2012
Code:
Private Sub btnMonSet_Click(sender As System.Object, e As System.EventArgs) Handles btnMonSet.Click
My.Settings.tweetMon = tbMon.Text
If tbddOccurrence.Text = "Just Once" Then
If cbToday1.Checked = True Then
lblPanel.LblScheduledTweet1.whenDate = Date.Today
[Code] .....
The goal of this code is to add a control to a panel in runtime. This MUST be done in runtime for the purpose I intend. The problem is that, when I add a second control, the first one disappears.
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Jun 2, 2011
Any snippet of code for adding groups at run-time to a listview. I am currently listing books (and stats) without groups via the following code which is executed in a loop (one pass per book title).
item = New ListViewItem
item.Text = seq.ToString
item.SubItems.Add(Mid(titlenode.Nodes(N_CSTAT).Text, 3))
item.SubItems.Add(Mid(titlenode.Nodes(N_JSTAT).Text, 3))
item.SubItems.Add(titlenode.Nodes(N_PUBLISHED).Text)
[Code] .....
The listview is set to details view. What I want to do is group the book titles by series. For example, books by Michael Connelly may be grouped by "Harry Bosch", "Jack McEvoy", "Mickey Haller", etc. I can create a new group for each new series by
groupnum += 1
group = New ListViewGroup("group" & groupnum, _
System.Windows.Forms.HorizontalAlignment.Left)
group.Name = "group" & groupnum
group.Header = series
But I cannot find how to add the group to the listview and add the new item to the associated group.
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Mar 3, 2010
I want to add a Reference to my application in run-time mode and i want to list the public keys of this Reference in run-time mode I'm using VS2005.net Windows XP professional
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Apr 29, 2011
I need a little help with variable scope ( I think that is the right term) As I understand it, the follow could be used to add a button to my form at runtime ...
[Code]...
I want a method that creates a new button with the object name that I pass to the method.
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Jan 5, 2010
I am having issues adding a custom object to an arraylist at runtime.
Details of what Im trying to achieve.
My object is Fixture which represents a light. My light has the following properties:
Name, isMover, HighlightValue, UserNumber, Channels.
Channels is a dynamic arraylist which lists all the different channels of the fixture. A channel could be the lights colour or its intensity. A channel has the following properties:
Type, FeatureGroup, Value, Universe, Address, Slots and Offset.
Slots is the same again, breaking down to another ArrayList with more details.
Code:
Private Sub Patchingtest()
Dim TestFixture As New Fixture_Structure
Dim Intensity As New Channel
[Code].....
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Jan 19, 2009
i have taken one combobox in form1, another in form2. when i want to add an item permanently in combobox in form1 it should automatically added in the form2's combobox permanently and at the same time it should be added into the database(ms access) also.
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May 15, 2011
I want to allow the user to select which table they want to be displayed in the datagrid by selecting the table name from a comboBox - this bit I have managed but I want to limit the number of columns displayed. Each of my tables have the same fields (it is for a plant database, there is a table for each type of plant tree, shrub etc) so I know the column headings but
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Jan 20, 2010
I have 14 command buttons on my form. what i want to do is change the text of the form based on the current date. button1 should have todays date.button2 should have tommorows date.button3 should have day after tomorrows date and so on. I want this for fourteen buttons.I can do it manually by assigning each button.text to each date... i want to do it using a loop. is it possible.my buttons are named , button1,button2,button3,button4, and so on toll button 14.and the text i want on them is from the current date to 14 days later...basiocally want to display the dates on the button..is it possible though a loop.m using visual studio and vb.net
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Jun 6, 2011
I'm having a lot of trouble trying to add a new control to a dynamically created TabPage at run time, I have viewed many threads with similar help requests and cant seem to make the codes work!
Here's what I've got:
Dim albumscount As Xml.XmlNodeList
albumscount = config_doc.SelectNodes("component/config/menu/album")
i = albumscount.Count - 1
Dim albumtitle As Xml.XmlNode
[code].....
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Jan 4, 2012
I am working with my project and I have difficulties in my program. This is the set-up: I put a textbox1 and a button1 in the form, textbox1 is for the property of the label text to be add
when I click the button1 I have another textbox, label and a button,I want the added button to remove the textbox, label and if possible the button itself, is there a way to delete a control by the added button?
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