Programmatically Remove BackgroundImage From Tabpage?
Dec 20, 2010
A tabcontrol's backgroundimage caused severe flicker problems when resizing a windows form. By setting that property to NONE at designtime and that adding it at the very end of the processing pipeline & after the window had been maximized, the flicker problem on initial form load was solved.
HOWEVER, now when a tabpage resize event is fired, I would like to remove that image at the beginning of the resize and add it back to the tabpage at the end of the resize event. The following code however does NOT work. I get an error in the resize event, Property cannot be found.
Private Sub Form1_Shown(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Shown
TabPage.BackgroundImage = My.Resources.GraphicallyIntenseImageToDraw
[Code]....
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Sep 16, 2010
how to remove a backgroundimage in the code whenever I activate colordialog :
[Code]...
I have a backgroundimage on the Me.(form1), I want it to be replace by the color choosen by the user with colordialog, right now it only changes every other form because the : me.backcolor = colordialog1.color has a backgroundimage.
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Dec 3, 2010
I been trying to create a section for my program to change the backgroundimage property of the main form. let me show the code: (some parts may be bad written but I was trying to try to find the problem) this code is a click event from a button
[Code]...
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Jun 14, 2010
How to set focus on a certain tabpage programatically.
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May 31, 2011
I have an MDI application, say name of MDI is MDIParent. From form1 I am adding new tab pages to form2. In the first tab of form2 I have generated a ListView by calling a ListViewCreate() function in Load event of form2. I am not able to generate ListView for the new tabs. I tried calling the ListViewCreate() while adding newtab. But, it is not creating listview nor throwing any error.
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Jan 11, 2011
I am developing an app which has a TabControl and Several TabPages. However when I switch the taps to be dislayed on the side I am left with a large amount of empty space. I am unable to move the TabPage to remove the empty space.
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Feb 27, 2009
My Application is built to a scan MS Access database in VB.NET.When the Access application is distributed to end users, they may have different versions of COM components. Is it possible to Add/Remove references programmatically to resolve broken references due to differing versions
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Jun 10, 2012
I am trying to display an usercontrol(has several panels one on top of the other panel) on tabpage. I am using below code to achieve this.
[Code]...
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Jan 8, 2009
I am using System.Windows.Forms.TabPage to store an entire TabPage for later use in My.Settings. Here is a brief description of the application.
I have a TabControl that has 3 tabs. One for user input, another tab for equipment settings, and then a final tab for Oven settings. On the user input tab, if the user de-selects the checkbox for Oven, the oven tab is saved to My.Settings and hidden.
I can then run the application without oven control. After running, lets say the user would like to re-run, this time with the oven. They go back to the input tab and re-select the Oven checkbox. However, the Oven tab doesn't re-appear. When stepping through the code, the is nothing stored in My.Settings for the oven tab page. Why not?
Also, I can open the application, and check, then uncheck the oven checkbox and the tab is hidden, then returns. I can do this all day. However, after running the tab will not return.
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Mar 22, 2012
Is there a way to delete an specific scheduled task from Windows XP/W7 ? I am trying to do that via VB.NET. The Idea is create a console app without any external DLL.
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Jan 8, 2009
How in the heck do you programmically add/Remove new controls to the form?
I'm wanting to create a form with several fields thing is, I don't know how many fields a client will need, So i want to be able to add new fields to the form with a button click and reset the form back to normal when they submit that information.
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May 22, 2012
I am programically creating a 2 buttons at runtime....I'm assigning the first button to open an image from file and display the image into the picture box. got that part.
The second button is where I am getting hung up. I want to assign the second button to delete the picture box from the form when I click on it but whenever I go to put in the code it throws an error at run time.
Anyone know of how I should code this to dispose of the picturebox when I click on my button?
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Apr 12, 2011
In VB.NET I used wscript.shell to add a shortcut to the desktop. I didn't realize it created the shortcut on the "All Users" desktop, which means I can't delete it. I don't have admin rights as this is my work computer, and asking for admin isn't an option. WScript.Shell has a createshortcut method but not a remove shortcut method! I've been googling for days with no luck. Windows XP Pro 2002, SP3.
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Feb 14, 2010
I created a custom control and add it to a form programatically.
The user can add and move them all over the form.
The problem is when I want to clear the form of my user control I don't know how.
I created an array of my control called ctlCorkNotes
Say I create ctlCorkNotes(1) and now I want to delete it.
How do I do this so it is gone and would have to recreate it to show up again?
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Nov 22, 2010
I Try so many times to change TabPage Size and Form Size when I shif from One TabPAge to another, This because every TabPAge consist of defrent volume of control which need to enlarge and reduce the size. But I couldn't make it.
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Jun 2, 2010
winforms .net 3.5 Ultrawingrid 9.2 In my subclass of Ultrawingrid.Ultragrid :
[Code]...
This works fine. But when the grid is dropped on a TabControl tabpage, the ctrl-tab looks very different to the sub above. e.keycode is seen as controlkey {17} I realize that by default cntrl-Tab moves between tabpages. I need to override this behavior. My thought is I probably need a subclass of the tabControl which will pass the keycombo through just as the form does but I confess to being clueless as to how to accomplish that. I tried to override the onkeydown of a tabcontrol subclass and just issuing a return and not and base call to onkeydown if the ctrl-tab combo was pressed but it seemed to see the e.keycode as controlkey as well.
[Code]...
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Feb 24, 2009
I got a PictureBox Control with a BackgroundImage. Related to the active Image I will show the next image by manipulating the name-string. But how to get the name of the actual shown image? All my images stored under ressources.Following wont work:PB.BackgroundImage.ToString it will give: "System.Drawing.Bitmap"
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Feb 20, 2009
Can i set an image as a backgroundimage for a treeview control?
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Oct 10, 2010
I am writing a simulator for a complex technical system. I have created a custom control which inherits from the Button control. My project requires around 100 of these buttons, which function identically except for one difference. The background image cycles between 4 different images, (depending upon whether the button is pressed and/or the state of a Fault parameter), and this group of 4 images is different for many of the buttons. So when I drag a new control onto the form, I'd like to be able to specify which group of 4 images to use for this button.
Currently I'm using this syntax:
if not IsFault and isOn then
MyBase.BackgroundImage = My.Resources.FaultOnButton01
...
But this means I have to change each image in the code for each individual button. To simplify matters I though of using the Tag attribute. That way the class code can select the images by a process like this:
if not IsFault and isOn then
Mybase.BackgroundImage=My.Resources. + mybase.Tag + "01"
Obviously this syntax won't work, so my question is: How can I pass a built-up string value to the MyBase.BackgroundImage?
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Oct 26, 2011
Can the background image in a picture box be moved, or located some where else, not the top left corner?I am aware of the layout that can be changed but that is not what I am after.
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Mar 19, 2012
The code;
Private Sub PictureBox3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox3.Click
If user.Right > PictureBox3.Left Then
PictureBox3.BackgroundImage = (My.Resources.dooropen)
End If
End sub
Will not work as it should, when my player (rectangleshape) right is more than the picturebox.left it will not update the picture of the picturebox.
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Jun 11, 2009
I'll explain this briefly as I need to be sure pretty quickly... basically, I'm developing a game. after the user gets 5 points, an alert box comes up saying "proceed to next level"... on the next (second level) I want the background image to change....
Now the default background is not a picturebox, it's actually part of System.Drawing.Bitmap I am using the same form throughout the entire game, so when it says "Proceed to next level" the game stays on the same form... Here's my Select Case statement to tell it to change the background image:
[Code]...
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Mar 18, 2012
I am using images imported into My.Resources as images for items in my game. Now for the saving procedure I use pnl.BackgroundImage.ToString but that returns System.Drawing.Image. What I'd like to know is how to retrieve the name of the resources object that is the image of the panel.
[code].....
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Feb 28, 2012
I have a panel that has a BackgroundImage set to "zoom". Because of this, the image usually has some grey "letterboxing" showing the panel beneath the BackgroundImage. I want to paint on the Graphics Object of the Panel using its paint event handler. Is there a way to contrain my painting to just the image part of the panel? Is there a way to find the rectangle that the BackgroundImage is occupying within the panel?
P.S. I don't want to make a graphics object from the BackgroundImage because I'm already using that for some other "paint layers".
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Aug 18, 2009
Why when ever i set my form to righttoleft layout to True i lose my background image?
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Feb 23, 2010
i have a form1 and a button1 i want to when i press the button1 ,the recent backgroundimage 'ex.png' changes to be 'ex1.png' what is the code ?
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May 26, 2011
I am using VS2010 VB.net and I am having issues with what would normally apear to be straight forward in VB6... I am looking at a control that will alternate its backgroundimage between two images, I wish to check which image is currently loaded to the control and change it to the alternative image.
If A1RectangleShape.BackgroundImage = my.resource.Image1 then
A1RectangleShape.BackgroundImage = my.resource.Image2
else[code]....
This only yields the type of image thats assigned to the control "System.Drawing.Bitmap" how to return the backgroundimage file name thats been assigned to the control at runtime, IE Image1 or Image2.
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Dec 5, 2011
defauld the usercontrol create(when is used) the backgroundimage property, but these property can be blocked? i'm asking these, because i need the entire control in that property
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Mar 19, 2009
I'm from Holland (The Netherlands) and new to this forum, I'm not 100% sure if I'm posting this thread in the correct subforum... I don't I have a little experience in Visual Basic .NET 2008 Currently I'm developing a program for my job in which you can follow a checklist for doing a certain procedure. With every step you have to click a checkbox and so on. It's saved in an XLS-file and blahblah, all irrelevant for my question.
I've got to the point that I'm almost pulling my hair here, because everything went fine so far with coding my program, but this simple thing I can't solve What I'm trying to do is, change the BackgroundImage of a Button when you click on it. If it is Image1 at the time of clicking it should change to Image2, and vice versa.
[Code]...
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Apr 13, 2010
I want to use a PictureBox2 (pic.png) above PictureBox1 (pic.jpg) on VB I used this code:
PictureBox2.BackColor = Color.Transparent
PictureBox2.BorderStyle = BorderStyle.None
but it doesn't work
it makes the border black & white
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