Background Image On Panel Flicker When Scrolling?

Sep 8, 2010

I've got a panel in windows forms (Visual Studio 2008) which has a background image (A book shelf).When scrolling the image flickers and does not redraw so looks awfully - I've tried creating a new object to use double buffering but this has no effect,


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Background Image Causes Form To Lag And Flicker?

Jun 3, 2011

I have a 18kb 1024 x768 jpeg image that is set as background image of my form. The problem is the form now lags like crazy. How can I eliminate the lag?

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VB Background Image Flicker On PRESSING TAB

May 23, 2012

I am making an application using VB.NET 2010 and I have set a background image which flickers every time I open any new Form or hit tab for jumping from textbox to textbox By pressing (tab) it only flickers once but always flicker when ever I close the form and open again. I have tried everything; background image set to, STRETCHED, CENTRE, ZOOM but still it's the same.

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C# - Get Smartphone Like Scrolling For A Winforms Touchscreen App ( Scrolling Panel )?

Aug 5, 2011

After scouring the articles online I have come up with this design for a winforms based touchscreen app that needs smartphone like scrolling. The app itself will run on a tablet laptop or touchscreen desktop.I put everything I want to scroll on a panel. Set autoscroll to true (which will show scrollbars)Now put this whole panel inside a groupbox.Shrink the groupbox until the scrollbars are hidden (visually hidden, not visible = false)

Now the fun part I am stuck at.I think I have to handle the mousedown, mouseup & mousemove on the panel to set the autoscrollposition so that when someone touches the panel and drags, it does it's scroll magic. Please help fill in the few lines of code in below method stubs. The msdn doc on autoscrollposition is very confusing since it returns negative numbers but needs to be set to positive with abs and what not.

Point mouseDownPoint;
Point mouseUpPoint;
Point mouseDragPoint;[code]......

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Controls Flickering Due To Background Image Of Panel?

Mar 5, 2012

i have developed a windows application whose interface has multiple picture boxes panels with background images for rich look and also a usercontrol which contains a gridview and WPF scrollbar in an element host. All these controls are placed in one panel (this is also having a background image) which is equal to the size of windows form. The reason for placing all these controls in the panel is that the window can be resized, if needed, allowing scrollbars.

Due to these large number of controls in which some of them have transparent backgrounds loaded in a large panel having background image, the window is flickering when moved or any other application's window is moved over it.

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Insert A Menustrip In A Panel Which Has Got A Background Image

Apr 7, 2012

how to insert a menu strip in a panel..

The thing is, i would like to insert a menu strip in a panel which has got background image(.png) other words, i just like to create an awesome menu in my main know the menu strip isn't as good as i something makes a little bit stunning for the users...

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Add Background Image To Panel At Particuler Windows?

May 11, 2009

i need to add background image of panel at certain location on panel.First of fall is it possible

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XP - Background Image Of The Panel Is Only Visible Behind Buttons - But Not In Empty Space

Jul 23, 2010

I have a VB.Net project. The form has a panel and few buttons inside panel... The problem is that the background image of the panel is only visible behind buttons....but not in empty space....The app is running fine on Windows 7 but the problem comes on XP....I have tried "Enable XP Visual Styles" but no luck....When i dock a button to fill all empty space then the background image is visible....but if i remove the button ... background image is not visible....

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.net - Reducing Flicker When Change Images In A Panel?

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


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Picturebox - Clear The Background Double Buffer Before The Flicker

Jun 10, 2011

I have a htpc project that I am working on. The main program loads dlls which are basically other win forms. On each of these forms, including the main program, I use a picturebox (double buffered picturebox) for the background image and then draw everything on it by hand. Whenever I go from the main program to the dll, I get a weird flicker. It looks like it is the previously used double buffer. Is there any way to clear the background double buffer before the flicker?

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Scrolling A Panel Using A Button?

Feb 16, 2010

I am currently working on a web browser using visual basic and i think i am stuck at this point where i have a panel and i need to scroll it when mouse hovers a button .. actually if i can find how to scroll the panel without using the scroll bar , i think i can modify it for using it with mouse hover.

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Scrolling Images In Panel?

Apr 16, 2009

i wantt o scroll images up & down,I found the foll code that uses APi to scrool..http:[url].....I Have panel in which images are there & i want to scroll up & donw..On the Down arrow , i write the foll. text

Private Sub PictureBox35_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox35.Click
Dim lCount As Integer
Do While True[code]......

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VS 2008 Scrolling In A Panel?

Mar 4, 2010

I have a panel on my main form that has vertical scrollbars enabled. I also have a custom control I have built that is the same width as the panel and has a height of 45. I store multiple of my user controls in an array, and I want the panel to display these controls like a listbox... one stacked on top of the other. So I loop through the array and add each control to the panel at coordinates right under the previous one.This works fine, and as long as I use the the mouse to scroll down and expose the controls I'm interested in and then clicking on that control, things work great. The problem comes in when I want to use the arrow key to move down to the next control. If the next control is visible on the panel, it works fine.

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Horizontally Scrolling Panel On WinForm

Apr 24, 2009

I have a panel on my winform that is one third of the form size. I need to insert 4 datagidviews side by side into the panel. The user should be able to scroll horizontally to view each DGV. I can position the DGVs side by side within the panel but it does not scroll the whole horiz way to see all the DGVS.

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Make A Scrolling Background?

Apr 3, 2012

I'm making a Shooter game like "1943" and "Jamestown". I was wondering how I would make the scrolling background to simulate moving forward and How would I make this efficient? I was thinking about using a animated GIF or to make a looping BitMap.

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VS 2010 Panel Scrolling (Horotzional Scrollbar)?

Jan 17, 2012

I want to make a panel scroll horotzional with a scrollbar. The panel will have images only (Maybe a label under each picturebox), and I don't have enough space for all the images, so I want to make it scroll horotzional.

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[2005] Panel Vertical Scrollbar: Scrolling It To Zero Or Top?

Feb 15, 2009

When a panel's AutoScroll is set True then it will add scrollbars for navigation of the entire size of its content. What I want is to be able to set the vertical scrollbar to go to top or zero so its contents top controls will be viewable.

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Error With Side Scrolling Background

Jul 5, 2010

I have been going crazy all day and most of the week trying to get this some code to make a a picture box move across the screen and then when it ends another one starts moving right behind it.

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
If picBackGround.Left + picBackGround.Width < Me.Width Then
picbackground2.Left -= 1


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Make Side Scrolling Background?

Jul 4, 2010

My problem is that I have two pictures once the first has scrolled to the left with the last bit of the image on the right side of the form I need the next image to start moving from the right, then when the first image is completely of the screen it moves back to the right side of the screen and waits for the end of the second image and then the process repeats.Here is the code I put together so far.

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
If picBackGround.Left + picBackGround.Width < Me.Width Then


This code does not do what I want it bugs up for some reason if you can change this code or give me entirely differen

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VS 2008 Scrolling Background Of Form?

Dec 23, 2010

i am currently trying to improve my skills regarding simple graphics. currently i have a form with a background image. on top of that there is a movable image drawn during Form_Repaint. the image is a character that is animated. you click and the character moves to the new point. that all works great atm. i am even able to add new "AI Chars". they just randomly walk through the form and every time they stop, there is a 10% chance every 15s that they move somewhere else (random point). as is said, that works great. but now i am kinda stuck. since my "engine" (lets say so) is in isometric perspective, i need the ability to scroll.

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Scrolling Through Different Images As Background In Visual Basic?

Sep 4, 2011

What would be the best and easiest way to change background image in a VB application from images that are preselected by user from any given folder on the hard disk.

So say "Mike" selects some images in D:ImagesNature in the Nature folder we have lets say "20" images. Now the VB app reads this and saves path so next time its open its fetching images from that folder once more. And every few sec lets say 45 sec a new image is loaded for background.

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How To Stop Auto Scrolling When Control In Panel Gain Focus

Dec 14, 2010

I have set a scrollable control's autoscroll to true. What do you do when you don't want a scroll to occur? For example, suppose you have a RichTextBox and a button side by side as below:
Notice that "button1" has the focus. If you click on the RichTextBox to give it focus, the scroll bars will scroll until the upper left corner of the RichTextBox is in view.
But what if, for whatever reason, you wanted to keep button1 in view? How would you do that?

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VB Image - Transparent Parts Dont See Form As Background But Marioland As Background?

Feb 18, 2011

Background of form: black

background of char, bombs and shrooms: transparent

picbox behind char, bombs and shrooms is regular (marioland)

How can i fix it so the transparent parts dont see form as background but marioland as background?

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.net - Automatic Image-scrolling Control?

Dec 3, 2011

"Automatic Image-scroller". The scenario is quite simple. I've got one single picture, and it should move up and when it moves out of frame, the same picture would appear beneath itself and continue to move up. Kind of a loop.The problem is that i haven't got a single clue how to make it in code-behind nor XAML, but it has to written in "code-behind" cause of the things i'm hooking it up with.

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VS 2010 Paint Rectangle Image Distorts When Scrolling?

Oct 12, 2011

I have a tabcontrol that I am trying to paint the background with a gradient rectangle. It looks great when the tab loads, but when I scroll, the background distorts. below is the

Private Sub tabcontrol_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles PanelDataSheet.Paint
'Creating a new Rectangle as similar width and height of the datasheettab
Dim oRAngle As Rectangle = New Rectangle(0, 0, PanelDataSheet.Width, PanelDataSheet.Height)


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Transparent Controls Over Form With Background Image Shows Backcolor Not Image?

Sep 18, 2009

I can't remember exactly if this is possible or not but what I am attempting I would think should theoretically be possible. I know it is possible in WPF but the company I am working for doesn't want to make the transition just yet. Basically what I want is to use a background image on a form for the background and I have a docked control on the right and left. I have set the background on both of these docked controls to transparent however it is showing the back color rather than the background image. I tried, rather than setting the background image property, to override the onpaintbackground and onpaint events and use, me.clientrectangle) but it still seems to just pick up the backcolor as the true transparent background so I'm wondering if it's possible to get it to show the background image through the control rather than the backcolor of the form?

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Background Image Will Not Switch Back From The Plain Background Color Of "control"?

Feb 19, 2011

what I am trying to accomplish worked with the code in the last thread I posted a while back. I still am using this code, however, I changed the window size to work better and gave it a nicer background for the title screen of my project. Now what I am working on at the moment is making a settings form that has 2 labels. One for "Default" Layout and one for "Plain" layout. When default is at start, the default label is disabled,and when plain layout is clicked, the button is disabled and default button is enabled.Basically, this is a toggle switch for default or plain where if one is enabled, the option for it is disabled and the other is enabled.My problem is that when I switch from Plain back to default, the background Image will not switch back from the plain background color of "control"Here is my code:

Public Class Settings
Private Sub LinkLabel1_LinkClicked(ByVal sender As System.Object, ByVal e As System.Windows.Forms.LinkLabelLinkClickedEventArgs) Handles LinkLabel1.LinkClicked
MiDNiGHT.BackgroundImage = Nothing[code].......

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Panel Containing PictureBox Flickers On Background Change - How To Eliminate This

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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Picturebox Transparency - App Has Scrolling Images In The Background And A Picturebox On Top

Feb 28, 2009

My app has scrolling images in the background and a picturebox on top. The image in the picturebox has transparent parts. How can It so that the transparent parts show whatever is belo the picture box, not the form background? I have tried taking screenshots and positioning them as background but this just freezes the app.

Dim ScreenSize As Size = New Size(154, 83)
Dim screenGrab As New Bitmap(154, 83)
Dim blank As New Bitmap(100, 300)


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Scrolling Text: Only Scrolling Certain Song Titles?

Aug 19, 2009

I currently have a label scrolling text, But for some reason it only displays Certain song titles/text. Does Anyone know why?!

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
AxWindowsMediaPlayer1.URL = OpenFileDialog1.FileName


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