How To Draw A Line On An Image In A Picture Box
Feb 8, 2006
I want to draw a line on an image in a picture box. How do I do? The picture box is placed as the only item in a standard form. The following doesn't work:Private Sub PictureBox1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles PictureBox1.Paint
Dim TestLine As System.Drawing.Graphics
TestLine = PictureBox1.CreateGraphics
Dim TestPen As New System.Drawing.Pen(System.Drawing.Color.Red)
TestLine.DrawLine(TestPen, 10, 10, 50, 50)
TestPen.Dispose()
End Sub
The corresponding method for the paint event works fine in a panel, but the picture box doesn't seem to support it. What am I doing wrong?
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Oct 21, 2009
Is it possible to have a picture box and draw on a line on top of the image that is in there with the basic express package?
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Jun 21, 2010
How come this doesn't work...
Private Sub ColorKeyForm_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
'Draws diagonal line of dot and dash on form
[Code]....
... the top part draws a line on the form but the second part does nothing. The picColorKey is a picture box on the form.
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Jun 29, 2009
I need to draw a line on a series of pictures: I have decompiled a movie file to 1200 pictures. I also have 1200 samples of vector data (coordinates of the line: beginning point, ending point , size of vector (length) and direction (angle)... anything). With these data I want for each corresponding picture to draw a line corresponding to this vector data for instance: picture 550 needs to get a line drawn from point (5,95) ... these are (x,y) coordinates. in direction of 5 degrees from a vertical line and length 55. Visual Basic do that? I understand there will be some work in locating the origin of the x,y coordinate system and telling the program what 'size 1' means...
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Apr 7, 2011
How would I draw a line over a Picture Box using the Paint event? I can draw the lines but they are drawn under the Picture Boxes.
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Feb 19, 2010
I have to draw a black line across the center of the picture from one side to the other, how do I do that. Here is the code:
Dim bmp As Bitmap
Dim x, y As Integer
Dim pixel As Color
lblLeft.Image = Image.FromFile(tbFileName.Text)
bmp = Bitmap.FromFile(tbFileName.Text)
' manipulate bmp here
lblRight.Image = bmp
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Jan 3, 2012
I have a picture in my picturebox. In that picture, I need to draw a straight line between two points and calculate the length of that line (probably in pixels). Is there any suggestion how to do it?
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Aug 22, 2010
I am graphing using Visual Basic graphics and it works. I would like to know how to draw a DASHED line instead of a solid line. Could someone help me with this?gphFormGraphics.DrawLine(Pens.Green, pt2, pt1)
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Oct 14, 2011
I have a form that uses a button to draw a line and a second button to draw a rectangle. I have a third button to clear the form but can't find a code example to code the Clear button.
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May 6, 2010
draw an image on form using an image in resources within VS2008VB instead of using C:userspublicimages
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Apr 15, 2012
I am building a 2D game where the user is a circle() and the enemies are rectangles coming at him. However, my problem is that when I placed a very nice picture of space I found on the internet, the screen draws whatever it has to underneath this image. Everything works,I can still see my lives going down when something collides into me - except the fact it is all covered up by this picture.
[Code]....
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Apr 15, 2012
I am building a 2D game where the user is a circle(:P) and the enemies are rectangles coming at him. However, my problem is that when I placed a very nice picture of space I found on the internet, the screen draws whatever it has to underneath this image. Everything works,I can still see my lives going down when something collides into me - except the fact it is all covered up by this picture. How Do I Draw everything ON Top of this - (I tried using the 'Send To Back' Command)
EDIT: The form draws everything through a timer, and the user controls his character through keys.In the mybase.load procedure:
PicBackGround.Dock = DockStyle.Fill
PicBackGround is the picture box with the image.In the paint procedure:
e.Graphics.Clear(Color.Black)
e.Graphics.FillEllipse(Brushes.Orange, Player)
[code]....
Player is a rectangle declared right at the top, Dim Player As New Rectangle(0, 0, 50, 50); There is then the array Objects, which stores all the data about the enemies coming at the player, Current_Projectiles is simply an array to store data about rectangles(bullets) that the player fires.
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Jun 12, 2011
Iam doing a sample project for school and i CHOSE Tic Tac toe. sample program of it becuase i have no idea where to start. And do I use a picture box to draw the lines?
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Jan 9, 2012
I add a Image Control and a RichTextBox control to a from. And I want to darw a image by my codes.And then insert the image into a RichTextBox.
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Jun 6, 2011
i am trying to draw a iamge in an mspaint control, and then put that image into a richtextbox but it will ask for save file and file has been saved i want to show image in richtextbox as soon as click on save file in dialog window.
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Apr 10, 2009
How do I draw an image respectively on the PictureBox control and Image object? Welcome to the All-In-One Code Framework! If you have any feedback,
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Sep 4, 2011
I want to draw an image onto another image object but use an alphamask specified from another image that is grayscale.
I am drawing an animation manually so don't want to do this pixel by pixel as this would be extremely inefficient.
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Nov 9, 2010
I want to Draw an Rectangle on a PictureBox and after that I must be able to move this Rectangle around. I have made now that I can draw a Rectangle on a Picturebox via MouseDown and MouseMove Events, but I dont know how to Move the Rectangle.
Private Sub PictureBox1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PictureBox1.MouseDown
Try
If e.Button = MouseButtons.Left Then
cropX = e.X
cropY = e.Y
[Code] .....
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Mar 28, 2010
i am making application for image cropping. where in this application i want to draw transparent rectangle on picture box.eg> you must have uploaded photo on orkut , when u upload the photo if photo is too big croping windows comes up and tranparent rectangle with resizable appears on image.similarly i want resizable rectangle on my picturebox where user can resize the rectangle and then user press crop button it crops off that much part.my question
1) how to draw transparent rectangle on picturebox
2) how to resize it.
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Mar 11, 2012
1. if i have ten images in my database, i want my windows app. form to load all these images at once but into ten different picture boxes which i will draw.
i want to do this by getting the count of images and start drawing and populating the images after each drawing. in future if i have only 4 images in the database... i draw 4 picture boxes on a windows form
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Apr 15, 2009
crashed a while ago and i didn't bother fixing it since my new laptop was due to come shortly after, because of this i am a bit out of practise with Visual Basic .NET. My problem is that my application allows a user to draw a rectangle with their mouse on a picturebox called picimage. When the user is done drawing their rectangle and tries to draw another one the previous rectangle gets deleted. I was playing around a bit with the
vb.net
Public Class Form1
Dim DrawRectangle As Boolean = False
[code].....
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Mar 31, 2010
For class, I am creating a Tic Tac Toe game. When there is a win I would like to draw a line over the 3-in-a-row. Not sure if this is possible because I used an array of buttons to represent the X's and O's. If this is not possible I would like to highlight the winning buttons.
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Apr 10, 2010
Surely its possible to draw a line in Visual Studio without writing a dozen lines of code?
Is there a drawing toolbox that's hiding from me?
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Jun 14, 2009
I have an app that loads a jpg into a picyure box, then updates exif data in exifworks classThe problem is that when I save the image(from image used for picture box) or class (to save exif data) then try to delete, sometimes I get success, others it won't allow delet I have gone to the trouble of using gc.collect, do events, put the delete in a timer & wait for the delete before continuing & still get the problem
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Sep 12, 2009
With a button click event, how do I make a picture box image property switch to a random image from the resources folder?
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May 20, 2009
i'm lost on this code.. i have a picturebox that swaps 2 images, depending on the action, file_red and file_green.. what i'm trying to to is, if a picturebox switches a image or not, to be able to detect that and have textbox8 add a line with the detection.
[Code]...
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Sep 17, 2010
I made a picture box and imported an image named Title.jpg. Later I made adjustments to the picture and imported it again without deleting the original(mistake). The new one had the name automatically changed to Title1.jpg. So I deleted the original image from resources and renamed Title1.jpg back to Title.jpg.
Now I got two problems. First, only Title.jpg is on the solution explorer, but Title1.jpg(along with Title.jpg) still pops up on the resource list when I click on Image property of the picture box. There's only the name and no picture, and I don't see a delete option. How do I get rid of it? Second, even though I changed the image to the new Title.jpg in the picture box, the old one is displayed when running the app. What's up with that?
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Sep 14, 2009
How would I draw a Direct 3D Line in VB?
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Apr 18, 2009
I searched this forum for the answer before posting this and from what i have noticed there is no "simple" way ofcourse "simple" definition varies from one person to another
my definition of simple is something like this Line(x1,y1,x2,y2,color) or something like that.[code]...
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Oct 31, 2011
I am building a basic program for kg students,,I have a form with two sets of picture, 5 pictures at left and 5 pictures at right
names of pictures at left are
picEyeLeft
PicListenLeft
PicNoseLeft
PicHandLeft
[Code].....
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