Save Histogram In Picture Box As Jpeg Format?

Jul 28, 2009

I've plot a histogram in a picturebox called picHisto, but i'm having a problem in save it to jpeg or other format. When it saved, it appears to be a blank or white picture. The code below is the code i used for saving, thanks for the help.

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim img As New Bitmap(picHisto.Width, picHisto.Height)
Dim g As Graphics = Graphics.FromImage(img)



Save The Contents Of A Picbox As A Jpeg Or Other Picture Format In Visual Basic?

Jun 12, 2012

I need to save the contents of a picbox to a jpeg file.I suspect the error exists because I do not actually load an image, but draw lines on its using picbox1.addline(), but I do not know how to fix this.


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Nov 20, 2010

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Apr 17, 2009

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Jan 10, 2012

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Aug 26, 2010

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Sep 2, 2011

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Sep 27, 2009

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Save Signature As Jpeg File?

Feb 25, 2011

I have a signature box that does not allow me to save in jpeg format.I am using code:

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Oct 28, 2009

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Jun 15, 2009

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Oct 30, 2009

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Apr 12, 2009

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Apr 4, 2011

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Oct 17, 2011

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Jul 8, 2011

The images on my e-commerce website are watermarked with an aspx script, therefore when you are browsing products, if you want to save the image it saves it as aspx rather than jpg or png. The thing is I need to give urls of jpg for a website that advertises products. There are more than 10,000 products so I can't save all of them manually, so I made a page with jquery that get's the image part of the product display page. What this page returns is this:

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Dec 20, 2009

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Dec 20, 2009

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Feb 4, 2009

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Jul 28, 2011

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Dec 5, 2009

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Oct 14, 2009

I am trying to save the picture that I have in my picture box using this[code]...

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Mar 29, 2012

I am trying to save a picture from WebBrowser1. I tried to move it into the picturebox then save it, but it doesnt open in picturebox:


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Jun 11, 2011

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Jul 28, 2011

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Dec 4, 2009

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Display The Picture Which Is Stored In An Access Database In Binary Format Inside The Picturebox PbProduct?

Jan 26, 2009

I have a form in 2005 with a datagrid and picturebox, when I click an item in the datagrid dgProducts I want to display the Picture which is stored in an access database in binary format inside the picturebox pbProduct. This is the code I have inside the datagrid click:

pbProduct.Image = Nothing
Dim x As Integer = dgProducts.CurrentRowIndex
Dim dt As DataTable
Dim drow As DataRow


I have imported the and at class level and I hav generated this code from what I can find in forums online, but I get "Parameter is not valid" and no more help than that...

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Apr 27, 2011

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Apr 18, 2010

I have a Picture Box Name "PicFront" and a button to add picture this picbox I need When I Select Picture from Clicking Add Button, the Picture is resize then display in Picbox Finaly When I Click Save Button save resizeing picture in another Folder?

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Oct 8, 2011

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May 16, 2009

Save And show picture in vb from database?

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May 25, 2009

I have been working on a project.  In this project I wish to be able to create electronic signatures.  I have perfected the signing routine and also creating the memory astream and saving and retrieving an image.  The problem comes in when I retrieve the image from the database.  The image being saved does not capture the signature (the changes I've made to the picturebox)

1.  I load a small bmp as the template on where to sign with by setting the picturebox.imagelocation to a network share

2.  Using mousemove and mouseclick, and draw events I draw a signature on top of the picture box

3.  I the picture box to a sql server from a button click event.

4.  When I retrieve the saved image there are no edits (No signature)  only the original image.  I am sure that the original image is going in and that it is coming out every time.

My question is thus:  How can I capture the signature that I have edited into the picture box.  I have tried like I mentioned above and I have tried picturebox.update() but without success.  Does anyone know what I missing I think that the answer lies in refreshing or updating the picturebox, but I'm not sure how.

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Jun 11, 2011

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Sep 11, 2009

May I know if its possible to save a picture file like .jpeg file in vb after the user chooses his picture? As i want the user to be able to save the picture that he chooses at run time. So that the next time he runs the app, the picture will still be there.the below is the code that i used to open the picture.

Dim strFileName As String
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Is it i save using the my.setting part? but i'm not so sure abt the setting type. AS there doesnt seem to have system.drawing.image.

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Aug 31, 2011

I want to save the clientarea of a form as picture and I got the following coding to do it. But while executing it I get fully-blacked picture saved.

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