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,

[Code]...

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Background Image Causes Form To Lag And Flicker?

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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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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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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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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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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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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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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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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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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

[Code]...

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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

[code].....

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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But what if, for whatever reason, you wanted to keep button1 in view? How would you do that?

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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)

[code]....

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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 e.graphics.draw(picture, 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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Public Class Settings
Private Sub LinkLabel1_LinkClicked(ByVal sender As System.Object, ByVal e As System.Windows.Forms.LinkLabelLinkClickedEventArgs) Handles LinkLabel1.LinkClicked
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Dim ScreenSize As Size = New Size(154, 83)
Dim screenGrab As New Bitmap(154, 83)
Dim blank As New Bitmap(100, 300)

[CODE]...

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

[code]....

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[code]...

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