VS 2010 : Create Multiple PictureBox Controls?
Nov 28, 2011
I'm attempting to create multiple PictureBox controls. This is as close as I've got this thing to work:
vb.net
Dim Obj(6) As PictureBox, i As Byte
Dim Pics() As Image = New Image() { _
[code]....
However, it gives me this error on run-time:
Quote:
Object reference not set to an instance of an object. on the line "Obj(i).Image = Pics(i)".It would work if I was able to create a 'new' instance: Dim Obj(6) As New PictureBox, however apperntly:
Quote:
Arrays cannot be declared with 'New'.I am pretty sure that my image resource files are 'instances' of objects'' because the code works fine when every statement is written out separately (no arrays).
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Feb 13, 2012
drawing shapes on a picture box then saving them.
My current situation: I have a scrollable picturebox (achieved using panel + picturebox). On top of the image inside the picturebox I've added labels on different locations(the labels are added on run-time using PictureBox1.Controls.Add etc). I want to save the contents as well as the image inside the picturebox.
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Oct 8, 2011
I'm very new to VB and am struggling with a problem! I have a form with mutiple (100) textboxes and buttons. I have set the properties of some of the buttons so that the text is draggable, but I want to be able to drag it to every textbox. I have posted a snippet of code below that allows me to drag ot to box 1 and 2, but is there any way that I can set it to drag to all boxes without having to individually specifying them? The same goes for dragging text between boxes...i'm sure there must be some way of specifying multiple drag and drop locations without the laborious task of specifying each as an individual sub? Code below
[Code]...
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Oct 1, 2010
How would I go about doing multiple layers on a form?Say the first layer contains a command button that when its click, it changes to the second layer hiding the command button and showing the controls on the second layer?
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Mar 8, 2011
I am just wondering how i can create a picturebox array like i could when i copied and pasted another picturebox in VB6 and it asked me if i want to add them to an array. Doing so made them code like this:
[Code]...
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Jan 25, 2012
I have many textbox controls and they are named as txt1.text, txt2.text, txt4.txt etc.I want to raise the event "Leave" when txt1.text leaves or txt2.text leaves.but with a single handler.
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Apr 3, 2012
I have multiple user controls (the same one dynamically added to a form 4 times), and one class. I would like all of the user controls raise events in that one class. For example, if any of the user controls are clicked, I want it to send a string to the class to be processed and show a MsgBox "Control name was clicked"I am doing this as an exercise to reduce repeating the same code over and over directly in the control, and to avoid creating the class over and over to accompany each user control.
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Jul 12, 2010
I have a Picturebox, where the .Tag property is holding a path to a file. But I would also like to have something like a .Tag2 property that could hold another file... I'm guessing this is possible to achive, but I have been struggling with this for quite some time now, and I really don't how I to do this... I can't seem to any useful information on the net either...
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Aug 9, 2011
I'm trying to create a small game in VB2010. The gameplay is as follows:
civilians would walk/stand in a room/street and suddenly an evil character would pop from the ground/wall. This evil character would suddenly vanishes too. So, the player has to shoot it to kill the character. The evil character, civilians, etc. would be random. Also, there would be sound effects too. That is the popping up of the evil character, it's voice, the civilians voice, etc. I'm trying to make it as simple as possible but without degrading the quality of the game play. I think, I could somewhat create the graphics for the characters, scenes, etc. and can get the sound effects recorded.
So, the difficult part is,[ ] how could I make it a smoother for playing the game ?
[ ] what would be the best way to do animations ?
[ ] Creating a GIF and placing it in the picturebox and moving it ?
[x]how to play the music in background and at the same time play sound effects on certain instance ?
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Mar 10, 2010
here is the deal, imagine that i've a fullscreen form, and when clicking on a button, it will create a new control, a control that could be selected and moved. I know that they are dynamic controls, but anyone know how to make them with the specific things i've said? A kind of dynamic controls allowing drag & drop to another position.
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May 22, 2009
I wanted to know if anyone could tell me how to access the Click_event.I have a boarderles form with a panel control which has the Dock property set to fill and on the panel I have placed a Label also with the Dock property set to fill. I also have a timer running.How can I get code to execute in the Label1 click event.I've tried doing it by using the generic Click_event and also with two variations of the Click_event Handles parameters
'Alternativ 1:
Private Sub Form1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click
[code].....
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Apr 25, 2011
I've been programming in VB6 for years, I have decided to take the plunge into VB.net and C# 2010 but having a little problem understanding the big picture.In VB6 I could create user controls and save them as .ocx files, then use those .ocx's in other programs or on html pages. I am sure the same idea is present in VS 2010, I'm just not seeing it.Can anyone recommend a book or tutorial that will show me the big picture of all the aspects of the .net environment?
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Nov 15, 2010
I know when I draw to the form and add controls I get a flicker effect.If I draw to a picturebox on the form and add controls will the picturebox flicker?
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Mar 1, 2012
In VB6 I could embed a panel or picturebox containing controls or images within an outer panel or picturebox. If I moved the outer control then the embedded panel would move with the outer panel and stay in the same relative position, which is what I require. This doesn't seem to happen in VB.NET, the internal panel stays fixed in its location, even if I have pasted this panel within the outer container. Is there are trick to this or do I have to code to get the internal panel to move with the outer one? How does an internal container remain embedded within an outer one?
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Dec 4, 2011
how do i create an event for MouseEnter but instead of the mouse a picturebox?
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Dec 17, 2009
I am making an application that uses multiple WebBrowser controls, and multiple proxies.The code for changing the proxy settings are as such:
#Region "Proxy"
Public Structure Struct_INTERNET_PROXY_INFO
Public dwAccessType As Integer
Public proxy As IntPtr
[code]....
Note: getRandomProxy gets a random proxy from a list.Problem is that whenever RefreshIESettings(getRandomProxy()) is applied, the proxy will be applied to all of the WebBrowsers, while i would need to have a unique proxy for each WebBrowser. Not having this would just error out the page in the other browsers and so on.
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Jan 21, 2011
I am working on a small desktop form in VB 2010 and am trying to place a pictureBox with an image in it, next to another pictureBox already located on the form when the user clicks a button.
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim tool As String
[Code]....
But for some reason the newPictureBox with image from "ptext" does not show up on the form. When I specify the new Point to be something like, (50,50) instead of getting the first pictureBox coordinates, the new pictureBox shows up in the right place.
Am I using System.Drawing.Point wrong? Or is there some other error that I'm making?
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Jan 7, 2010
I have a picturebox with controls on it. I wanna save it as a pic with controls. I have seen a getimageofcontrol() func. on vbforums earlier that does exactly this. But I am not able to find it now...
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Nov 13, 2010
I've tried using the method in the link below, but unfortunately this only works with .exe files. I want to be able to display icons from all filetypes in picturebox's.
[URL]
So I was wondering if maybe there's a quick edit I can do in the method above to make it work, or even a completely different way of doing it?
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Feb 17, 2009
How can we embed images (for picturebox controls) within an application so that a specifiic directory does not have to be accessed in order to display the image?
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Dec 31, 2011
I have multiple picturebox controls in my form. Both of them contain an image with a transparent background. I want them to be on top of each other. I've already set their BackColor property to Transparent, but when I place one on top of the other one, the following happens: [URL]. How can I make them transparent while they are on top of each other?
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Nov 15, 2010
I have a question about serializing a Picturebox and it's child controls. I have a picturebox on my main form where a user can put new Picture boxes in.To a add a new Picturebox I say: Pictureboxmain.controls.add(Picturebox)But now I want to serialize this in a stream of bytes. I know that you can serialize an Arraylist as followed:[code]But is the same possible with a collection of controls?So now I tried this assuming the same method can be used with a control collection:[code]
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Jun 30, 2011
When my main form loads it also shows two other forms and has them scroll down from the upper right corner of the screen.
Here's the code for one of them:
Me.Visible = True
Dim x As Integer
Dim y As Integer
[Code].....
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Nov 19, 2011
I have forms with multiple pictureboxes, labels, etc. They are all numbered, for example, pb_QL01 to pb_QL99, or lb_Main01 to lb_Main29. In the old days, I could reference the properties of these in code using, for example, Me.Controls(a).Image where 'a' was the string of the name of the object (e.g. "pb_QL23"). So, I get it that you can't do this anymore in QB2008 (too bad). I need to set the properties in loops. [Code]
but it takes a long time to cycle through all of my controls, and there are some properties that will not work (like mycontrol.image), image not an option. So, is there an easy way to get this done? I don't want to add the controls in code, since they already exist on the form. If I have to use collections (which I'd prefer not to if there is an analogous way to the old way of passing the name of the control in code with a string, but if I need to, how do I get this to work.
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Dec 2, 2009
I've dynamically added 20 pictureboxes to a panel and would like to see the panel scroll when I use the mouse wheel. To implement this I have tried to set the autoscroll to true on the panel control. Here is the code.
For i As Integer = 1 To 20:
Dim b As New PictureBox()
b.Image = Nothing
[Code]....
It works for "button" control, but not for the "picturebox" or "label" controls?
How can I implementthe scrolling affect using 'mousewheel'?
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Oct 7, 2009
I got down the drawimage part. The problem I am having, is when I draw another image, it replaces the old one. Here is my
vb
Public Class Form1
Dim PicPoint As Point
[Cod].....
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Feb 19, 2010
So I want to click on different things in a listbox and somethings have a picture and some dont. I want the things without a picture to all show the same thing. I've tried this:
Code:
If ListBox1.SelectedItem = object1 Then
PictureBox1.ImageLocation = object1picture
Else
[CODE]...
This only works for object2 and I know why, but I dont know the correct way to make it work for multiple objects.
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Jun 21, 2010
i am trying to make screen saver in vb.net i m using picturebox and timer (for separation of time), but i cannot attach multiple pictures in a single picturebox.
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Apr 13, 2011
I'm basically trying to make a simple, easy-to-use, paint program. I seem to be having problems with using multiple colors in the PictureBox1_Paint option. It draws the graphics but when you change the brush color and click in the picturebox it changes the colors of the previous graphics to the color you are currently trying to use. I need it to allow multiple colors.
Here's the code that I'm currently using..
Imports System.Drawing.Drawing2D
Public Class DynosPaint
Inherits System.Windows.Forms.Form
Private IsFormBeingDragged As Boolean = False
[code]....
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Apr 13, 2011
I'm basically trying to make a simple, easy-to-use, paint program. I seem to be having problems with using multiple colors in the PictureBox1_Paint option. It draws the graphics but when you change the brush color and click in the picturebox it changes the colors of the previous graphics to the color you are currently trying to use. I need it to allow multiple colors.
Here's the code that I'm currently using..
Imports System.Drawing.Drawing2D
Public Class DynosPaint
Inherits System.Windows.Forms.Form
[code]....
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