Create And Change A Panel Object At Run Time?
Jan 9, 2012
I havn't got any test code for this, as i dont know what way i am going to approach this yet.
at the moment i have a groupbox on a form with 3 radio buttons.
what i would like to happen is when a radio button is selected for it to display a panel with a few controls on it.
i am looking to know what is the best way to code this, i have read a few guides on creating objects at runtime, but none of which i have looked at have any information on adding objects to the likes of a panel.
i am thinking that their are probbably 2 way to attempt this.
my logical thinking tells me i should either
1) Create a class will contain the controls and subs that i need and then try to load the class when it is needed.
2)create a control array then try and work with it that way.
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Feb 3, 2009
I want to allow my user to add certain small pictures into a form which has a bigger pictures. My idea is to simply allow the user to move small pictureboxes that is set on the top of the form to wherever she wants it to be. My problem is that she may want more than one instance of the same picturebox. I am wondering if I can create a picturebox (complete with the picture) during run time?
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Sep 22, 2011
hey guys i need a code that shows me how to make program create an object in run-time...(if this line is clear enough dont read next cause i did even confuse what i want)
the best example i found is dividing procedures..lets assume i did a calculator which also can show the calculating in a picture....when a user use dividing a line has to appear between two numbers(like: ___) and how can i create that line in run-time...
. i was using visible property to do that but when theres a lot possiblities ... its easy to that in run time but i dont know how..
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Sep 6, 2007
I am getting a run-time error within my VB app:
Run-time error '429': ActiveX component can't create object
I have run this application under WinXP and previous Windows operating system fine, but when I installed my application on Windows Vista I get the above error at run-time.
how I could resolve this error as I believe it is not a programming error as the app works on other Windows OS's fine. Could it be something to do with registering dll's etc.
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Feb 1, 2012
I am getting a run-time error within my VB app: Run-time error '429': ActiveX component can't create object. It goes away after IIS reset.
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Jun 3, 2009
Source File: MathNet.dll
Output file: MathNet.tlb
Included Classes MathNet.Division and MathNet.Multiplication
[code].....
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Jun 29, 2010
Ok i got a problem when ever i move a panel and a picturebox at the same time. Ok well them bolth move but the panel has a image in it and when ever i move it with the picturebox it creates a balck square behind the picturebox and the panel and how can i see it, well it on the top like picturebox.location(20,20) well balck quare.location(0,0) same size as picturebox how do i fix this cause it messes up the image. Here is my code:
[Code]...
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Aug 24, 2010
I am using this line of code on form load event it is working very fine but i have to problems
1. It replaces the form name and display the date and time but i want to keep both date and time and forms caption separated by some space.
2. When form loads it load the current date and time but the time does not change it should run.
What should i do please please help me code is as follows
Me.Text = Date.Now.ToLongDateString & " - " & TimeOfDay
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Jun 6, 2009
I need to center the red panel in the middle of the dark grey panel, when you resize the form the red panel should be in the middle, and the red panel can't be resize, anyone have a code or property to do this?
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Oct 18, 2010
If I declare my object at the beggining of my page class, and instantiate it in a dropdownlist selected_index change event. Shouldn't this object be available thru out the entire page and also persist thru a postback? I lose the object in my selected date change event in my calendar.
[Code]...
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Apr 27, 2012
How do I change the panels opacity?
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Jun 30, 2010
I have a Panel and a button control on windows form. Button is placed behind the Panel. I want to change the opacity of Panel, so that the button control can also be visible. But there is no property of panel control to change the opacity. Is there any way to make the Panel Opaque in this way?
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Dec 22, 2009
For Each Ctrl As Control In Panel20.Controls
If TypeOf Ctrl Is CheckBox Then
CType(Ctrl, CheckBox).Checked = False
ElseIf Ctrl.HasChildren = True Then
Uncheckboxes(Ctrl)
End If
Next
I have a few panels that contain the controls, how can I check them all at once rather than use that code above and just change the panel number each time? It'll get pretty messy if I have to keep pasting all that code and just changing one number.
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Apr 28, 2009
Unable to cast object of type 'Panel1' to type
[Code]...
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Feb 26, 2009
Now i came with another problem.I want to print a Panel Object with scroll bars (AutoScroll = True).
I have searched over the vbforums.com and i have googled for almost 2 days and i did not find any solution for this...
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Mar 11, 2011
I am throwing some data out into Excel and am having some formatting troubles. I have 5 columns (date, time, a long number I don't want displayed in scientific notation - text is fine, text, text). I can get it all working with numberformat, however I have to do them different ways.
Date works this way cell.numberformat = "m/d/yy" and it formats it to say 3/1/11
Time works this way cell.numberformat = "h:mm AM/PM" and it formats it to say 8:07 AM
For the long number cell.numberformat = "@" and it doesn't change the format and it gets displayed in scientific notation
BUT if I use cell.style.numberformat = "@" it works as it should, but it messes up all of the date and time cells. Apparently when you use style.numberformat, it doesn't just apply to the cell you're working with. If I try using style.numberformat with the date and time formats, they don't change and are entered as if I didn't change the format at all.
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Apr 2, 2012
I have JavaScript that works excellently but I need to change it to Update Panel and I can't get it to still work properly. What I want it to do is if it selects 1 in the first dropdown, pick c in the second dropdown. I am using asp.net vb.
[Code]....
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Jan 1, 2010
I have a panel that I am writting text into troughout the applications use. I would like to be able to make some of the words in the panel bold and others non-bold.
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Mar 7, 2009
i want the panel to center itself evertime i change the size of the window. how do i do it? panel1.location.x=form1.location.x doesent work.
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Apr 10, 2011
how to change border color on panel. There is no option in propertis, and Idon't know how to write a code.
I am using VB 2010.
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Jun 30, 2010
I have a Panel and a button control on windows form. Button is placed behind the Panel. I want to change the opacity of Panel, so that the button control can also be visible. But there is no property of panel control to change the opacity. Is there any way to make the Panel Opaque in this way?
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May 4, 2009
How do I reduce flicker in a vb2005 panel?Inside the parent panel I have 2 other panels that I'm am using.
The outer most panel contains a background sprite and the two innermost panels are overlays that change to fit the places in the background sprite.When I change the overlay sprites I would like to reduce the flicker and make it a smooth transition from one sprite to the next.
Here is the code that changes the images in the overlay panels the overlay panel is not changed if the new value is the same as the old value
[Code]...
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Oct 10, 2011
First of all sorry for any grammar mistakes, english isn't my native language.I need to cycle through all the elements in my panel (full of "ImageBox") and change their images.
My code so far:I declare an array with my objects.
Dim OrdenCartas() As Object = {Ardilla, Ardilla, Cangrejo, Cangrejo, Morsa, Morsa, Oso, Oso, Pato, Pato, Pinguino, Pinguino, PinguinoPaleta, PinguinoPaleta, Serpiente, Serpiente}
Then I call this method (I have doubts in this one)
[Code]...
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May 25, 2010
I'm trying to set the maximumsize via code of a panel, but I can't get the proper code.
Private Sub panel_right_Resize(ByVal sender As Object, ByVal e As System.EventArgs) Handles panel_right.Resize
If calendar.ShowWeekNumbers = True Then
With panel_beslag_right
[code]....
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Aug 20, 2011
Does anybody know how can we change color of Panel's Scrollbar in vb 2010?
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Sep 12, 2011
I thought this would be easy but for some reason it's giving me a rough time. I have a windows form with three equal size panels on it. Each panel takes up about 1/3 of the window width, less some inter-panel spacing.
The effect I want is if the user stretches or shrinks the form the panels maintain their relative 1/3 width and spacing, similar to how divs on an html page would size as the browser window is sized.
So I anchored the left panel to left, top and bottom, the center panel to top and bottom, and the right panel to top, bottom and right. This works fine in keeping the left and right panel anchored to their respective sides, and all panels now stretch with a form height change.
So in form resize I adjust the width of each panel to form.width/3. As expected this is close but does not account for the inter-panel margins I want to preserve and the form border width.
I played around with various constants and noting I do gives me the desired effect.I'm sure there is a pretty straight forward solution to this but I can't seem to find it.
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May 13, 2011
I have a panel with the BackgroundImage set that I'm using as a button. The panel also contains a PictureBox with a png image loaded so that parts of the image are transparent and the panel image shows through. On MouseDown I change the panels BackgroundImage, then on MouseUp I change it back again. The problem is that when the panel image changes, the PictureBox flickers badly when redrawing its transparent areas. I've tried using the DoubleBuffered property of the form its on; no luck there. I've also tried SuspendLayout just before changing the image, refreshing the PictureBox, then ResumeLayout. Still no luck.
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Mar 25, 2012
I am stumped on this one. I have a panel (pnlKeyPad) that won't change the visible property when I try to set it to True. But when I try to set the Dock Property to DockStyle.Fill it succeeds. I have tried them in different orders, setting the parent property to the splitpanel and nothing seems to fix it. The panel is on a splitpanel that is visible. The panel is set to visible = false by default.
Any ideas of why this panel won't switch to visible when I specifically set it to visible?[code]...
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Oct 11, 2010
I am generating an Excel file upon a click of a button in an update panel. It is throwing a parsing error.If I keep the button outside the update panel it is working fine. Why isn't it working in the update Panel?
Response.ContentType = "application/vnd.ms-excel"
Response.AddHeader("Content-Disposition",
String.Format("attachment;filename={0}", filename))[code].....
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Oct 26, 2009
I have an object that is defined as a global variable based on custom class. Within that class I have an event that gets fired a certain intervals. These events are fired on the same thread as where the object is declared. How do I create a global object, but have the events within that object fire on a separate thread?
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