.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
[Code]...
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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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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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Apr 16, 2009
I wantt o scroll images up & down,I found the foll code that uses APi to scrool.[code]....
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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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Feb 27, 2010
Here is my code on A Drag and Drop from button to PictureBox:
vb
Public Sub New() InitializeComponent() Dim img As Image = Image.FromFile("C:file.png") Me.btnImage.Image = img Me.picBox.AllowDrop = True AddHandler btnImage.MouseDown, AddressOf btnImage_MouseDown
[Code]...
And what i want to do is to make the picturebox 500x500.then make several buttons representing different images. and then make it possible to drag and drop several images in the same imagebox and move them around. and hopefully i can make a button for saving the coordinates of the images and the image paths into a text file.
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Jun 6, 2009
I need to center the red panel in the middle of the dark grey panel, when you resize the form the red panel should be in the middle, and the red panel can't be resize, anyone have a code or property to do this?
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Apr 27, 2012
How do I change the panels opacity?
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Jun 30, 2010
I have a Panel and a button control on windows form. Button is placed behind the Panel. I want to change the opacity of Panel, so that the button control can also be visible. But there is no property of panel control to change the opacity. Is there any way to make the Panel Opaque in this way?
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Apr 2, 2012
I have JavaScript that works excellently but I need to change it to Update Panel and I can't get it to still work properly. What I want it to do is if it selects 1 in the first dropdown, pick c in the second dropdown. I am using asp.net vb.
[Code]....
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Jan 1, 2010
I have a panel that I am writting text into troughout the applications use. I would like to be able to make some of the words in the panel bold and others non-bold.
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Mar 7, 2009
i want the panel to center itself evertime i change the size of the window. how do i do it? panel1.location.x=form1.location.x doesent work.
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Apr 10, 2011
how to change border color on panel. There is no option in propertis, and Idon't know how to write a code.
I am using VB 2010.
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Jun 30, 2010
I have a Panel and a button control on windows form. Button is placed behind the Panel. I want to change the opacity of Panel, so that the button control can also be visible. But there is no property of panel control to change the opacity. Is there any way to make the Panel Opaque in this way?
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Jan 9, 2012
I havn't got any test code for this, as i dont know what way i am going to approach this yet.
at the moment i have a groupbox on a form with 3 radio buttons.
what i would like to happen is when a radio button is selected for it to display a panel with a few controls on it.
i am looking to know what is the best way to code this, i have read a few guides on creating objects at runtime, but none of which i have looked at have any information on adding objects to the likes of a panel.
i am thinking that their are probbably 2 way to attempt this.
my logical thinking tells me i should either
1) Create a class will contain the controls and subs that i need and then try to load the class when it is needed.
2)create a control array then try and work with it that way.
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Oct 10, 2011
First of all sorry for any grammar mistakes, english isn't my native language.I need to cycle through all the elements in my panel (full of "ImageBox") and change their images.
My code so far:I declare an array with my objects.
Dim OrdenCartas() As Object = {Ardilla, Ardilla, Cangrejo, Cangrejo, Morsa, Morsa, Oso, Oso, Pato, Pato, Pinguino, Pinguino, PinguinoPaleta, PinguinoPaleta, Serpiente, Serpiente}
Then I call this method (I have doubts in this one)
[Code]...
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May 25, 2010
I'm trying to set the maximumsize via code of a panel, but I can't get the proper code.
Private Sub panel_right_Resize(ByVal sender As Object, ByVal e As System.EventArgs) Handles panel_right.Resize
If calendar.ShowWeekNumbers = True Then
With panel_beslag_right
[code]....
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Jun 21, 2010
have a treeview with 13 different categories. Under each category are many sub-categories.At the minute the icons used to represent the categories are the plus/minus signs.I would like to use an Imagelist to change the icons to a closed folder icon when closed and an open folder icon when opened.
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Aug 20, 2011
Does anybody know how can we change color of Panel's Scrollbar in vb 2010?
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Sep 12, 2011
I thought this would be easy but for some reason it's giving me a rough time. I have a windows form with three equal size panels on it. Each panel takes up about 1/3 of the window width, less some inter-panel spacing.
The effect I want is if the user stretches or shrinks the form the panels maintain their relative 1/3 width and spacing, similar to how divs on an html page would size as the browser window is sized.
So I anchored the left panel to left, top and bottom, the center panel to top and bottom, and the right panel to top, bottom and right. This works fine in keeping the left and right panel anchored to their respective sides, and all panels now stretch with a form height change.
So in form resize I adjust the width of each panel to form.width/3. As expected this is close but does not account for the inter-panel margins I want to preserve and the form border width.
I played around with various constants and noting I do gives me the desired effect.I'm sure there is a pretty straight forward solution to this but I can't seem to find it.
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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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Mar 25, 2012
I am stumped on this one. I have a panel (pnlKeyPad) that won't change the visible property when I try to set it to True. But when I try to set the Dock Property to DockStyle.Fill it succeeds. I have tried them in different orders, setting the parent property to the splitpanel and nothing seems to fix it. The panel is on a splitpanel that is visible. The panel is set to visible = false by default.
Any ideas of why this panel won't switch to visible when I specifically set it to visible?[code]...
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May 23, 2009
I work with VisualStudio 2008 and write my codes in VBasci.Also,I use Microsoft SQL server 2008 for my database and here is the question;I ve curently been doing a simple hotel software, the step that I ve got stucked in is that, I take the reservations by clicking on buttons those represents rooms in the hotel,buttons have green colour on them because they are available until I take a reservation for that room,and they must be staying green until a customer checks-in..On a check-in day,that room must go to colour of red or somethıng and must'nt be able to take another rezervation into it until the customer checks-out, I ve got 2 people comıng for that room for tomorrow who will stay for 1 night,so today it should stay green whıch means it s available,but by the mid night it must go red and must be not available to take rezervations for tomorrow,once they check-out on the day after tomorrow ıt should go green,so,available again.
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Sep 16, 2009
location after I clicked the images to move them to the left side but it didn't change the image.
Here its the code:
Private Sub PictureBox1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles PictureBox1.Click
If Panel3.Visible = True Then
[Code]....
make the images changes to arrow-black2 when the images moves to location "1, 145"??
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Jun 4, 2011
When I set the button background image in properties, it looks great. When the button is clicked, the image needs to change. I tried to use an image list like this: btnSample.BackgroundImage = ImlStimuli.Images.Item(0)and I tried loading them from a file. I can get them to read, but the image always turns out blurry or distorted. I've tried all variations of alignment, BackgroundImageLayout like stretch/zoom/centered, and I changed flat style, but nothing has worked. Is there a setting or something that I'm missing in properties?
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Feb 21, 2009
I have a report and is working with .netnow i needload images in runtime by passing the values in .net or load the image by dbthe control that i using isthe crystal report viewer, i have found codes in the web that refer this:
"crxReport.Sections(3)""CrReport.Sections("Details").ReportObjects("Picture1")=? "
but with the control what i using i dont have that option :(what is the control that i need load to the project that have that options?or is some especial version of crystal report?
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May 8, 2009
I am building a windows application with different languages, when I change the language of a form visual basic will create a new form for me which i can change the settings for my new language and all was working fine, but recently i recognized that the images i am changing in the other language form is changing the images in the default language form, so i need to create two Resources Folders for images and manaully tells the application which folder to use.
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Mar 20, 2010
I'm using VB.net '08 express and I have a form in a program with a picturebox. I have a series of images in My.Resources. What I am trying to do is get the images in the box to change in sequence whenever the button is clicked.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim sequence As Integer
Select Case sequence
Case 1
[code]....
When the button is clicked, the 1st image appears and the button then does nothing.
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May 10, 2011
I am having trouble to make a form that displays the picture of the student which all his info is in a datagrid. I used the following
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
' TODO: This line of code loads data into the 'BdSyngentaDataSet.Training' table. You can move, or remove it, as needed
[Code].....
It worked. But, when i click on the next student and go back to the previous, the picture is not there. When I stop the debugging and start again the picture is there but it stops displaying again after going back and forward.
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Jan 27, 2011
I understand the basics of using VB.NET, what I don't understand is what I need to tell the computer to do. I'm supposed to create a subprogram to calculate the greatest common factor and another subprogram to reduce the fraction from the answers retrieved from the first subprogram. My teacher said something about using Mod to calculate it, and also attempted and failed to explain ByVal and ByRef parameters. I don't even know where to begin other than the parameters I have for each, and even those have a high chance of being completely wrong.[code]
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