Changing The Desktop Wallpaper?
Jan 10, 2010
I am writing an app to change the background wallpaper kinda a little project I am making for my wife's grandma. It is a multiple wallpaper changer to change the wallpaper based on a list of images she adds. Anyways! I have everything setup except the fact that it doesn't change the wallpaper... This code here:
Code:
Public Declare Auto Function SystemParametersInfo Lib "user32.dll" (ByVal uAction As Integer, _
ByVal lpvParam As String, _
ByVal fuWinIni As Integer) As Integer
SystemParametersInfo(20, 0, Application.StartupPath & "Wallpaper.bmp", 1)
will NOT change the wallpaper but the same code works in VB6 I tried it because I have made something like it before in VB6 but it was a game that changed the wallpaper. Anyways, using the above code in VB6 works(well with a change to the SystemParametersInfo declare to work within VB6. But it doesn't work in VB.NET. I have NO IDEA why everything gets set in the registry just fine from VB.NET but I just cannot seem to get it to update the wallpaper..
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Aug 25, 2011
I am having in VB.NET 2010. I am writing an app to change the background wallpaper kinda a little project I am making for my wife's grandma. It is a multiple wallpaper changer to change the wallpaper based on a list of images she adds. Anyways! I have everything setup except the fact that it doesn't change the wallpaper...
This code here:
Public Declare Auto Function SystemParametersInfo Lib "user32.dll" (ByVal uAction As Integer, _
ByVal uParam As Integer, _
ByVal lpvParam As String, _
[CODE]...
Will NOT change the wallpaper but the same code works in VB6 I tried it because I have made something like it before in VB6 but it was a game that changed the wallpaper. Anyways, using the above code in VB6 works(well with a change to the SystemParametersInfo declare to work within VB6. But it doesn't work in VB.NET. I have NO IDEA why everything gets set in the registry just fine from VB.NET but I just cannot seem to get it to update the wallpaper...
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Jan 30, 2010
How can i get the current desktop wallpaper?I just want to save it somewhere thats all nothing complicated.
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Jan 23, 2010
Short I want to write an application that loads a swf file (or html file containing the swf), and uses it as desktop wallpaper.
First off, is this even possible? Second, how can I do something like this (If its possible)?
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Feb 14, 2011
I have a logon script which changes the desktop brackground picture in the registry. The only problem is this change isn't applied until the user logs off and on again. I currently use a small program which uses SHChangeNotify(&H8000000, &H1000, 0, 0) but this will not refresh the wallpaper. I was also hoping this would refresh the Taskbar because I change a registry setting which removes a toolbar.
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Sep 5, 2010
Any visual basic net code to make the application run between desktop icon and background wallpaper. It mean if that application is running in background the icon in the desktop should be selectable..
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Feb 2, 2010
im making a Desktop Wallpaper Changer, using a timer to change the wallpaper after a select interval. I have 13 images in my directory numbered 1-13.
But im getting an error when it reaches 13 , is there any way i can maybe loop it ? so that it select no.1 again and repeats the process?
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Dec 7, 2011
I'm developing an application where the desktop wallpaper will change from an image in my resources. Or change it to a solid color.
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Jul 15, 2011
I've created a desktop wallpaper changer and added some animation part to it.
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Oct 5, 2008
i have written a small program to set wallpaper on the desktop when i change the wallpaper then if I refresh the desktop then problem is that,wall paper is disappeared and a blue screen comes.secondly i want few changes i want to set wallpaper as Tile,Center and stretch i want to use radio buttons on the form for this purpose so how can i make these changes.
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Oct 18, 2009
I have written a small application that will allow the user to use DreamScenes on there desktop in Windows XP but i can't get the screen to refresh to reflect the desktop changes. The refresh routine i have used will only work once....This program is part of an application i am writing to allow users to customize/modify the windows xp source.Here is my code:
Imports System.Collections.ObjectModel
Public Class Form1
Dim DSNAME As String
[code].....
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Jul 5, 2009
I'm building a Visual Basic program to allow me to change my desktop background through VB. I've made it so the user can select a file and set it as the wallpaper but i'm wondering if there is a way to allow the user to decided on the position eg Stretch, tiled or centre.
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Jun 12, 2011
here a simple class to change the wallpaper in winxp and win7. i think it will work on every windows version.
[Code]...
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Aug 27, 2009
I'm trying to create a fake virus for a collegue who keeps changing our desktop backgrounds. I have created a form in vb 2008. It as a window security icon and coule text boxs saying virus has been found, it has 3 buttons (Repair), (Quarantine) & (Ignore) and a progress bar on the form. I have put a timer event on the form too. My question is: How can i get the progress bar to pause at 50% and say files cannot be repaired, once ok is clicked on the pop up msgbox asking to Quarantine items, pause again on say 85% and msgbox say Cannot be repaired, try restart and run anti virus software.
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Jan 8, 2010
How do you get the current wallpaper? do you use SystemParametersInfo? what about the picture position setting?
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Mar 28, 2009
I've made a program to change a computers wallpaper through VB which works perfectly UNLESS as your browsing for the picture you press the cancel button. The code on the browse button:
Dim dlg As OpenFileDialog = New OpenFileDialog
dlg.Filter = "Image Files (*.bmp, *.gif, *.jpg)|*.bmp;*.gif;*.jpg"
dlg.Title = "Select the image to load."
[code]....
Is there anything that can be added to the code so that the user is able to cancel looking for a picture without it crashing?
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Jun 11, 2012
We have a Windows Forms VB.NET application running on Windows Server 2008. Users access this app using Remote desktop.The app displays information in Excel, but Excel opens on the server.Is there a way for the .NET app to launch Excel on the users local desktop?
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Sep 5, 2011
Some of u already know I'm making a 'virtual desktop'- thing.Only one problem. When switching to a new desktop it starts a new instance of my app in that desktop (works) and on the form load event it says process.start("explorer.exe") <- here is the problem. It only shows a window not the actually bar.Also this may be important it shows the window, but when I navigate to explorer.exe 'C:Windowsexplorer.exe' and open it there. The explorer bar does show up.
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Jan 31, 2011
I'm writing a program in VB.NET that needs to get the path to the current user's wallpaper.
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Dec 6, 2009
I'm trying to update my wallpaper with VB.NET and it's not working. Weird thing is, this same code works fine on my other machines (same OSes, Win XP Pro SP3). My code grabs a random picture then passes it to the SetWallpaper function:
<System.Runtime.InteropServices.DllImportAttribute("user32.dll", EntryPoint:="SystemParametersInfoW")> _
Public Shared Function SystemParametersInfo(ByVal uiAction As UInteger, ByVal uiParam As UInteger, ByVal pvParam As System.IntPtr, ByVal fWinIni As UInteger) As <System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.Bool)> Boolean
[Code]...
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Apr 9, 2009
I just want to write a function which will set the Vista's wallpaper using the file name supplied.
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Jan 8, 2010
I have windows 7 background setup as a slideshow to change picture every 30 min. But when i use SystemParametersInfo in my program to set the wallpaper so i can see how it looks on screen, the wallpaper no long change like a slideshow. How can i display an image in the background but keep the current desktop background setting unchanged so that it will stay a slideshow on the location it was set?
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Jul 22, 2009
i got this code to change the desktop background from a forum.[code]the SetWallpaper function was written by me as the ChangeWallpaper only works on .bmp files.all these code works but my problem is that i need this wallpaper to be stretched because some of my pictures are smaller or larger than 1280 by 800 pixel which is my pc monitor dimensions. i've tried to tweak the ConvertBitmap function (as you can see in the comments) to produce bmp's to my screen size but it doesn't work.i need to set the pictures (.bmp or not) to be stretched and i don't know about dlls and stuff
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Aug 18, 2011
How to change wallpaper with fade?
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Feb 9, 2010
I am trying to layer some program to take up the space of the wallpaper, like maybe just below the icons but above the wallpaper? Does anyone know if this is possible? Anyways, I am trying to make some video thing behind the icons but above the wallpaper to let u know of things that will happen if you start messing with the computer, as a simple, don't mess with things doesn't seem to work.
[Code]....
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Jul 2, 2010
Heres the code on how to change the users wallpaper.
Imports System.Drawing.Imaging
Public Class Form1
Private Declare Function SystemParametersInfo Lib "user32" Alias
[Code].....
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Jan 11, 2009
I wish to make a wallpaper changer that can select a random wallpaper from a given directory and sub directories. I'm not asking for code at this point, I'd like a reality check to see how hard this could be. I'm still quite a newbie at VB so I just wanna check if what I'm thinking process wise would work.The basic thing I'd like to do is have it pick one picture out of a given dir and sub dirs. Then set it as the wallpaper. I'd like it to be resized if larger than the desktops resolution to fit inside it, no stretching cropping or stuff.
That's the simple things I'd like it to do. Unfortunately I have dual monitors so it'd have to pick two wallpapers, resize each one independently, stick them together, and then set the wallpaper. I'd also like to make a kind of simple database which would have the name of each pic and two values with it. I'd like a value to mark if it's been used already which would be reset when all pictures have been used. The second would be a simple tag. This way i could have all car wallpapers listed as tag 1 and all non-car wallpapers listed as tag 2. Then I could chose whether to use all or only tagged wallpapers.
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Aug 5, 2009
iv been making a automatic wallpaper changer useing the timer, listbox, and picturebox , it works, untill i minimize it then it stops changeing the background, but when i maximize it it has actually moved down the listbox of pictures each time so the timer must be working when minimized, just it doesnt change the wallpaper when its maximized it always works,
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May 17, 2009
I'm working on one of my applications and I'm trying to find a way to use the "Go To Desktop" function that goes directly to the desktop without minimizing any window (This can be achieved by clicking on the Win + D buttons or on the desktop icon in the quick launch toolbar), but how can I activate it using vb? I thought about sending keys but I guess there is more offical ways to do it.
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Sep 21, 2010
I'm searching for a way to change the font size of selected text in a RichTextBox (rtf) having different font families (e.g. Arial and MS SansSerif) and font styles (underline, bold...) using the FontDialog, but without changing the families and styles. The following code resets all the font attributes, which is not what I want:
[Code]...
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