Interface And Graphics :: Saving An Image To A Folder (A Generic Error Occurred In GDI+)?
Jun 24, 2011
I have a problem when trying to save a picture box image ( I am using vb2008 express edition)When i load my windows form I create a folder called images and the current date (eg images 24062011) using the following code.
Code:
Dim fold As String = "images" & " " & Format(Now(), "ddMMyyyy")
If My.Computer.FileSystem.DirectoryExists("C:usersmickdesktop" & fold) Then
MsgBox(" file exists")
[code].....
this works fine and creates the folder on my desktop. I then load an image into a picturebox and try to save it using the following code which is where the problem starts.
Code:
Dim filename As String = Format(Now(), "ddMMyyyy")
Dim imagename As String = "image"
Dim fileext As String = Drawing.Imaging.ImageFormat.Bmp.ToString
[code].....
so my problem is why does the 1st statement give me the error as surely as I have declared that fold = the folder name then that path should be correct, as the program is set to save the image automatically, not using the savefiledialogue I don't want to have to manually type in the folder name every time I use the program.
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Apr 3, 2009
I've written a simple application to encrypt an image (jpeg file) based on a password as a challenge to a mate of mine who reckons he's an ace hacker.I can encrypt the image no problem but when I try to save it using
[Code]...
I get "a generic error occurred in GDI+" raised. Googling reveals a few hits for this problem but seemingly mostly related to using databases rather than the file system.
Has anyone come across this? I don't want to paste all my code here in case my nemesis is watching, however basically I'm getting a reference to the PictureBox's Image property and manipulating the pixels using GetPixel and SetPixel, and then setting the picturebox's image property = my modified bitmap.
I understand that the error is generally related to the bitmap not being ready to be saved - is there anything specific I need to do to "close" the bitmap so it can be saved?The strange thing is that I'm sure this was working earlier today and now seems to have arbitrarily stopped working.
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Jun 2, 2011
My app has an image in it in a picture box. I need the end user to be able to change it. So the code I added below should do that. However, I get the "A generic error occurred in GDI+. while saving".I understand it as this- possibly an error saving it to C:?? Because when I save it to a folder such as MyPictures or Pictures it saves A-ok. [code]
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Sep 17, 2008
I am trying to create bitmap with my text and transformation. I am sure that there is no error in my code. Because this code is worked previously. Here is my code.
[Code]...
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Jun 4, 2012
I have problem that program crash after some time. Error code : 'A generic error occurred in GDI+' occurred.
Using img As Image = picTest.Image
img.Save("C:\Users\User\Desktop\picture.tif", System.Drawing.Imaging.ImageFormat.Tiff) '<--- error points at to this line of code
img.Dispose()
End Using
Program need to use this line of code many times in a row. At 4th time it always crashes and I don't understand why.
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Jun 22, 2009
I am writing a VB.NET application which captures an image from a webcam and saves it as a jpeg. I have a button which captures the image and successfully saves the image. However when I click the button again to save the image as the same file I get the following GDI error[code]....
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Apr 7, 2012
i save the PictureBox Image to the Sql using the following code
Private Function convertPicBoxImageToByte(ByVal pbImage As Image) As Byte()
Dim ms As New System.IO.MemoryStream()
pbImage.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg)
[code]....
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Jan 12, 2010
I need to save an image after opening it in from an OFD.
[code]...
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Aug 20, 2009
I have a problem with this code. If i start the program and click on save.The program saves the picture. If i reload the picturebox and save it again i get the error :A generic error occurred in GDI+.I think the problem is that the File is being used by another process.So i think i can't rewrite the bmp file. Is it possible to release it from the process so i can write it again? [code]
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Jul 17, 2009
I did post this in my thread about webcam but its nothing to do with webcam issues, the code for the webcam is working perfectly now I am instead now having an issue saving an image file from a picture box.
I don't mind how its done or whether its bmp/jpg (jpg would be better for te compression) but This orginally did work now I keep getting this error that I have never come across before and can't find much information on the error.Error Message:A generic error occurred in GDI+.
[Code]...
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Jul 8, 2011
i just encounterd an error gdi+ when saving same image back to database.im using this code to get image from db
'Stream object containing the binary data
Dim ms As MemoryStream
ms = New MemoryStream(CType(Me.DataGridSearchView.SelectedCells(10).Value, Byte()))
frm.Picture1 = Image.FromStream(ms)
ms.Close()
frm.Picture1 is a property of image type from another class.and this my code to update image back to db
If Not Me.PictureBox1.Image Is Nothing Then
Dim custPic as Byte() = Nothing
Dim ms As MemoryStream = New MemoryStream
[code]....
there is no problem if i changed the image before saving it back to db,it gives error if you will not change the image before saving it back to database..
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Dec 11, 2011
I'm trying to import an HBITMAP created in an external dll. The dll is written in C++. What happens is that I get a non-null handle returned from the dll, but when converting to Image using FromHBitmap I get an unhandled exception as shown in the thread title.
I reduced the failure down to a barebones example. Here is the core part of the exporthbm.dll:
[Code]...
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Oct 29, 2008
Using graphics paths for designing...but am getting an error when trying to add a shape to : _shapelist.add(createshape())
It says : Value of type 'system.drawing.drawing2d.graphicspath' cannot be converted to '1-dimensional array of system.drawing.drawing2d.graphicspath'
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Oct 28, 2011
I load my picturebox with a jpeg. If I put my DrawObjects() sub into picturebox paint event.When ever a picturebox.refresh or picturebox.visible = true (vb.net seems to draw my DrawObjects() first, then load the jpeg Image over my drawing - erasing drawing) Is there a way to get the picturebox to redraw the jpg image first then draw on it, in picturebox paint event?
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Feb 5, 2008
i'm looking for a way to get the system's folder icon WITHOUT using an icon file. i've also come across this great class that works very well with files but i'm not sure how to make it work with folders.
Code:
Public Class Icons '=====================================================================================
' clsIcon
[Code]......
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Aug 21, 2010
I have 10 year old animated GIF that works fine in an internet browser, but when I set it as an image in a picture box I get the following error: "A generic error occurred in GDI+." I attached the file. Does anyone know how I can get this image to place in my vb form? If the image needs to be modified?
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Apr 4, 2011
Just want to know if it is possible to do an image mapping in VB2010?..
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Aug 21, 2011
I can get the image to rotate the problem is that on every step throught the loop the image goes to it inverse or draw backwards.
Code:
Public Class Form1
Public K As New Grid_Tiles
Public D As Integer
[code]....
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May 28, 2009
I have an application that downloads a .jpg snapshot from an IP camera, writes it to the server hard drive, attaches it to an email and sends it out to my users. Pretty simple until one guy had to mount his camera upside down and that's how he received the image via email.
It gets a bit annoying after a while, so he asked me if I could rotate it 180 degrees before attaching it to the email. I have absolutely no idea - hence my post. The app is on a hosted ASP.Net v3.5 web server.
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Dec 10, 2010
I'm creating a Image viewer and was wondering if anyone could help me with resizing an image, and converting the image to grayscale? My knowledge of visual basics is very limited so any code snippets.I am wanting to resize the original image to a 3 x 3.
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Mar 1, 2010
I'm using below code 2 add image into a picturebox during the run time. i could add image but when i clicked the picture to make it become smaller, the picture quality is blur which not as the initial picture.
[Code]...
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Sep 11, 2009
how do i change the picture inside a picture box.I wanna make 5 dice that change when you press roll.. the number generator is easy i just wanna use graphics rather than a label to display the numbers.
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Mar 29, 2012
anyone know how to do this, but wit a browse for folder aspect..like i open up my browse for folder window, select the folder i want and it displays the .png file in picturebox..i'm trying to figure it out..here is what i have so far..i have it setup where i'm opening up a folder and loading certain files in my checkedboxlist..but i also want a .png file that is in the subfolders(the only .png file in the entire directory) to be displayed in the picturebox..but the folder is going to be changed depending on which folder is selected..so it can't be a set directory or path..basically has to change like the checkedboxlist.
[Code]...
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May 13, 2009
I am trying to draw an image from a MS Access database by use of e.Graphics.DrawImage(New Bitmap()). In my database Row 0 Item 1 holds the path to the image I want to draw.
My current code looks like this:
Code:
Private Sub pnlStart2_Paint(ByVal sender As Object, ByVal e As_ System.Windows.Forms.PaintEventArgs) Handles pnlStart2.Paint
e.Graphics.DrawImage(New Bitmap(ds.Tables("Track1").Rows(0).Item(1)), 3, 3)
End Sub
When I run my program I get the following message in my code: Illegal characters in path how I can draw the image from the database?
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Nov 16, 2010
What am i doing wrong on this code? im trying to get my form into a jpeg picture, but everytime it only saves a black screen of what im doing
Code:
Private Shared Function BitBlt(ByVal hdcDest As IntPtr, ByVal nXDest As Integer, _
ByVal nYDest As Integer, ByVal nWidth As Integer, ByVal nHeight As Integer, _
ByVal hdcSrc As IntPtr, ByVal nXSrc As Integer, ByVal nYSrc As Integer, ByVal _
[Code].....
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Sep 23, 2008
I am trying to verify that an image has been loaded into the picturebox1. I am loading the image from the web and need to verify it has arrived before I can save it to disk. If I save it to soon I will save nothing and that will crash the app. I have tried to use 'if PictureBox1.image = nothing then' ... 'End If', but that isn't a valid check. I can obviously not check picturebox1.image if it is empty or has an image.
So the question is, how do I verify that the file has finished loading?
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Jul 11, 2004
I am trying to incorporate in my vbdotnet application a form in which I would like to make a thumbnail from an image. So what I have is two picture boxes, one with the source image and the other with the destination image, I would like to crop the image from picture box 1 and display it on picture box 2, but the way I wan to crop it is not giving the coordinates of the selected area box but to simulate a selection area box in which the mouse can move the box and select the area of the picture to be cropped. This selection area box would give me the coordinates i need in order to proceed the cropping. The problem is I don't know how to create this selection area box. It is like doing the cropping on a graphic design software like Macromedia Fireworks, Adobe photoshop, even paint.
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Aug 13, 2008
I have a map image and i want to open it look like ACDSEE (very fast)my image is 12756 x 8504 pixel and i try backbuffer but not work for me.
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Aug 5, 2009
We are trying to get an image to a printer.Does someone any idea how to do that, or maybe someone has code?
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Jan 22, 2011
I vagely understand how to edit an image using Graphics. I can rescale an image using scaletransform but I want to be able to use a dynamic scale i.e., given an image with (x,y) coordinates, I want x_new = x_old + y*Factor so that when the image is stretched one end is stretched more than another.
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