VS 2008 : Gradient PictureBox Not Displaying?
Apr 26, 2011
I've got all the code figured out to make a picture box appear with a gradient inside of it. My problem is that the gradient doesn't appear in the picture box when the form loads, paints, or when the picture box is painted. I can only make the gradient appear if i click the picture box after the form appears.
Dim xFormTopColour As Color = Color.Black
Dim xFormBottomColour As Color = Color.DarkOrchid
Private Sub frmTestGradientBars3_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Call GradientPictureBox(xFormTopColour, xFormBottomColour, picSample)
[code]....
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Sep 4, 2010
In my project I am using a camera to capture images. The images will be stored in a byte array. Now I want to display my images in byte array to picture box on my form. I am pasting the code bit below.
HTML
Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory"
(ByRef Destination As Byte, ByRef Source As Byte, ByVal Length As Integer)
Delegate Sub MyFrameHookerDelegate(ByVal FrameType As Integer,
ByVal row As Integer, ByVal Column As Integer,
ByRef lpImageAttribute As TIMAGEATTACHDATA, ByRef Buffer As Byte)
Public ImageBuf() As Byte
[Code] ....
I want to display the image from ImageBuf() to a picture box on my form.
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Feb 9, 2010
I'm trying to draw a simple rectangular gradient but I keep getting this one error. Here is the code below: Drawing::Rectangle^ myRectangle =
gcnew Drawing::Rectangle(10, 10, 100, 100);
Drawing2D::LinearGradientBrush^ myGradient =
gcnew Drawing2D::LinearGradientBrush(myRectangle ,Color::Red, Color::Blue, 50);
e->Graphics->FillRectangle(myGradient, 20, 30, 100, 100);
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Mar 6, 2012
need help in displaying image in picturebox in form load..im using vb 2008 and adodb
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Oct 18, 2011
I have two pictureboxes with images in them inside a panel. The two pictureboxes have the background color transparent. One half of one of the picturebox is over the other and that half gets the panel backgroundcolor. How can I make the pictureboxes to not get that behavior.
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Jun 12, 2009
I am using a PictureBox to display images. I have SizeMode set to StretchImage. While this does indeed show the whole image, it is of coure stretched. Is there a way to prepare the image to be displayed so it will fit correctly in the PictureBox? I just want it displayed without distortion and within the box.
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Oct 14, 2009
I have the following code below. I am reading a BLOB image from database, but when I try to display it in the picture box I am getting the 'Parameter is
Code:
Imports System.Drawing
Imports System.Drawing.Imaging
[code].....
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Aug 13, 2010
I'm trying to do this :[URL]But using VB.Net instead of VB6.I run into a problem with WebBrowser1.Document.Body.createcontrolrange()
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Aug 1, 2010
I have used a single picture box and I want it to display many pictures when I run it, whereby I cant navigate through it by clicking next or back. I used some codes, they had no error but they weren't able to display my pictures during run time.
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Jun 22, 2010
I need to display various shapes in a picture box, and am trying to do so via a combobox that the user can select from. My problem is clearing a previous selection when a new selection is made.
Code to date is:
Public Class frmGraphics1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Populate cboShape with shapes
cboShape.Items.Add("Select a shape")
[Code] .....
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Nov 13, 2010
I've tried using the method in the link below, but unfortunately this only works with .exe files. I want to be able to display icons from all filetypes in picturebox's.
[URL]
So I was wondering if maybe there's a quick edit I can do in the method above to make it work, or even a completely different way of doing it?
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Jul 25, 2010
The new issue is that the knife item gets added to the listbox, but when I click on it...the picture isn't displayed in the picture box, and the description isn't displayed in the rich text box. I have the image path and name correct. I have no idea why the description isn't going in the text box.
Code:
Public Class FormInventory
Private Sub FormInventory_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'' this is all the code for the inventory knife.
If KnifeTaken = True Then
[Code] .....
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Jun 20, 2009
Is there a way to convert an Image to Black and white before displaying it in a PictureBox? Or is there a way to make a PictureBox display color images in black and white?
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Mar 24, 2010
i am working a "image processing system" project in vb.net using the ms access2007.i have to browse by clicking a button and open a image to display its name to a text box and that image to picturebox.and after that i want to add,del and extract those images to the access database.i want to use datagridview control also.
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Jun 21, 2010
I'm constructing a Management system. Now, I have a problem with the interface design.
I wish to use ForumsAccount's tab control and JuggaloBrotha's gradient form in my application (both can be found in CodeBank).
But the problem is, I'm confused in the design ! Which one shall I use for the main form ? an MDI form or a normal form ?
Details about the Mgmt. System app: it will be used to manipulate everything for a small firm, like adding customers, employees, payments, etc.. Everything is managed using the app and saved to the db.
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Mar 31, 2010
I have a PaintEventHandler connected to a picturebox via AddHandler.
In PaintEventHandler I have coded this for writing the drawing to PictureBox1.Image:
Dim PictureBox1 As PictureBox = CType(sender, PictureBox)
PictureBox1.Image = New Bitmap(PictureBox1.Width, PictureBox1.Height)
Dim bmp As Image = PictureBox1.Image
Dim g As Graphics = Graphics.FromImage(bmp)
... drawing something ...
PictureBox1.Image = bmp
Everything works fine but after running through the paint event handler and showing the picture on the screen it calls the painthandler again and again. It does not stop.
Replacing the code above with
Dim g As Graphics = e.Graphics
Makes it running. But then I cant save the Image to a file.
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Feb 8, 2010
i'm doing a simple form tat could add picturebox during runtime and i could add several picture into it.
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Jan 4, 2011
I am trying to draw a line on top of a picturebox but it keeps going behind the picturebox, even when I do Line.BringToFront()
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Jul 13, 2009
I was wondering how could I drag an image from a picturebox to another picture box. Anyone knows? Any tut or something.
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Apr 8, 2012
I am working in vb.net, visual studio 2010.
So i want to apply gradient to a square, a center to edges gradient. This is the code:
Public Class Form1
Private Sub PicSourcefrm(ByVal sender As System.Object, ByVal e As PaintEventArgs) Handles Me.Paint
Dim Graph As Graphics
[Code].....
NOTE: Picsource is just a PictureBox named that way. If I put "BrushSquare.SurroundColors = Color.Red" in a comment. The program works but the edges are white, not red like I want them to be.
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Jun 18, 2009
I have this code for a gradient form(EXAMPLE 1). It works fine on its own.I tried putting it into an existing project of mine and I cannot get it to work. The project is quite large so I am no sure what the issue is. Is it due to the fact that I have an InitializeComponent() line in the my Sub New in Example 2? Note I have alot of code
EXAMPLE 1:
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
'Creating a new Rectangle as similar width and height of the base form
[code]....
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Oct 29, 2009
I have this code for a gradient form(EXAMPLE 1). It works fine on its own. I tried putting it into an existing project of mine and I cannot get it to work. The project is quite large so I am no sure what the issue is. Is it due to the fact that I have anInitializeComponent() line in the my Sub New in Example 2? Note I have alot of code
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Apr 21, 2010
DataGridView, add unique gradient to each Row I like to add a gradient brush to each row of my datagridview. I like to change the gradient colors for each row independently depending of some cell values in the row. I know how to add a solid background color to each, cell, row, column etc. but I do not know how to add a gradient brush to each row individualy.
I need to fill the datagridview with values, the datagridview is disconnected from any database or other data source. After filling the datagridview, I want to step trough each row, find my key values, decide the gradient colors and then add the gradient to the row.I like to do something similar to what I now do with a background color:
For Each R As DataGridViewRow In DGV.Rows
Dim CS As New DataGridViewCellStyle
Select Case i
[code].....
I am using VB.NET and VS 2008 and 2010.
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Apr 22, 2010
I like to add a gradient brush to each row of my datagridview. I like to change the gradient colors for each row independently depending of some cell values in the row.
I know how to add a solid background color to each, cell, row, column etc. but I do not know how to add a gradient brush to each row individualy.
I need to fill the datagridview with values, the datagridview is disconnected from any database or other data source. After filling the datagridview, I want to step trough each row, find my key values, decide the gradient colors and then add the gradient to the row.
I like to do something similar to what I now do with a background color:
For Each R As DataGridViewRow In DGV.Rows
Dim CS As New DataGridViewCellStyle
Select Case i
[Code]....
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Mar 22, 2011
How do I draw a circular gradient like this in vb.net?
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Apr 27, 2012
How can I create a gradient background for my form and text without using any images and how can I add multiple images in same form background in VB.NET?
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Jul 30, 2009
I Have been working with the gradient brush, and its quite cool I would Though like to make a gradient that goes to four corners, where each corner is a different color. Anyone know how to do this, or any short tutorials on this?
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Nov 25, 2010
I am creating a page that auto-creates a pdf file from data in the database. I have the entire pdf working with the exception of the pdf background. The customer wants a gradient which I will need to repeat, but how would I create this? the image is 1px in width 976 in height [Code]. I was hoping that declaring a longer width it would stretch the image across but this failed.
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Jan 1, 2009
I am using Visual Basic.NET 2008. I was earlier a VB 6 developer. I found a (VB 6) code online which generates gradient colours on a form. It has a small sub (routine) which does the trick. If we pass red, green and blue values then form's backcolour changes and it appears like a gradient.Now that code is not working in VB.NET.i mean is there an easier way to generate gradient colours in VB.NET (2008)convert the code I have into .net specific so form's backcolour becomes gradient.I have attached a zip file which contains the code.
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Jan 5, 2009
How can I change a form's backcolor to gradient one. The code (VB.Net) -
e.Graphics.FillRectangle(New Drawing.Drawing2D.LinearGradientBrush(New PointF(Me.Width, 0),
New PointF(Me.Width, Me.Height), Color.FromArgb(0, 58, 140),
Color.FromArgb(0, 215, 255)), New RectangleF(0, 0, Me.Width, Me.Height))
'fade from left to right
This code changes the form's background to a gradient one. It works fine. Now I want this to take place in an MDI form which will be a container for other forms. If I turn option IsContainer = False then it works but otherwise it does now. How can I change backcolor of MDI Form to a gradient one ?
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