VS 2008 - How To Create Thumbnail Of Image Saved In Directory

Jul 27, 2009

I have some code that allows the user to browse for an image and then when that image is opened, it is copied to a new directory. This all works fine, but I would like to know if there is a way to create a thumbnail of this image and save it into a subdirectory inside the directory where the original image has already been copied?


C# - How To Create IPhone Style Icon Effect On Thumbnail Image

Oct 23, 2009

I have an image upload facility in my asp.net project, when uploaded a thumbnail of the image is generated and saved to disk. What I would ideally like to do is apply some nice styling effects to this thumbnail image.. similar to the look of the icons on an iPhone.. perhaps a slight gradient, smooth rounded corners, and a border.

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VS 2008 - If An Image Is In Listview, Will It Display A Thumbnail Of The Image?

Jun 19, 2009

I need to know how to use listview, I'm having trouble using it.What are listviews uses?What can be listed in listview?What cannot be listview?If an image is in listview, will it display a thumbnail of the image?

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Get Thumbnail Image Of PDF Using ASP.NET?

Feb 24, 2011

I have a system where users can upload PDF documents. Rather than displaying the link to these PDFs as a title link, or a PDF icon link, I would like it to be a thumbnail of the first page of the PDF document.

How can I get a thumbnail image of the first (or any specified) page of a PDF document, using ASP.NET 3.5?

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Generate Thumbnail Image From .doc File?

Oct 13, 2011

I am in search of a way to access a files thumbnail preview and push it to a picturebox on my form. I have the code below that works for jpg files, however it does not work for say a word document's thubnail. displaying the word documents thumbnail in a picturebox would be great!

Dim myBitmap As New Bitmap("C:Doc1.doc", True)
Dim myThumbnail As Image = myBitmap.GetThumbnailImage(40, 40, myCallback, IntPtr.Zero)
PictureBox1.Image = myThumbnail

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Thumbnail Creation From Image File

Aug 20, 2009

Im looking to create a thumbnail from a jpg image. the image is stored in c: empimage.jpg all im trying to do is create a thumbnail from this and save it in c: emp humbimage.jpg. Ive found a number of C# tutorials and some vb.net ones. Apparently this is a really easy thing to do.

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Display Thumbnail While Dragging Said Picbox Image?

Apr 16, 2010

If you drag something like a picture in explorer it displays its icon or thumbnail ,can this be achieved in vb.net? ,i have two forms ,form1 is a boarderless form with just a pic box ,now i can drag n drop this to another form with easy. but is thay away to display its thumbnail while dragging said picbox image?

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Embed Thumbnail Image Of Another .exe Into Form As Preview?

Mar 11, 2011

Im looking to embed an .exe into my form. An example of what I want to do is the preview area when selecting a screensaver in Windows. It shows a small running preview of the app in the current window. How do I do that in my VB form?

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Interface And Graphics :: Make A Thumbnail From An Image?

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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Created Thumbnail With Other Programming Mothod Test Thumbnail.rar?

Feb 13, 2012

i created this thumbnail with other programming mothod Test Thumbnail.rar but how can i register it in other windows i tried register it with RegAsm but i don't could register it

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Win7: Taskbar Thumbnail Image Background Transparency

Mar 7, 2012

I've been playing around with Windows 7 taskbar thumbnail previews. I've noticed that some Microsoft applications are able to set thumbnail images which have transparency in background. I've been trying all out and not been able to achieve this.

I've set a picturebox control having PNG with transparency as thumbnail preview, doesnt work. I tried creating a new bitmap and loading from Icon file having transparency and setting it as preview but still doesn't work. It keeps showing the background color of the form window.

This is what Microsoft apps are able to acheive:


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Save Image In Msaccess Database & In The Crystal Report It Should Display The Saved Image?

Aug 28, 2010

i want to save image in ms access 2000 database & i want retrive it in a crystal report in vb.net 2005

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Reading Image Path From Text File And Add It To Thumbnail Control?

Jul 14, 2011

I have a CheckedListBox and a thumbnail control and I am trying to save and retrieve back the images along with their path.

I need to show their image path in the checked list box which I am able to do but I am unable to get the images.

I want to know how to read Images from the saved text file and display it in the thumbnail control.

Here is the code:

Private Sub LoadProject_Click(ByVal sender As System.Object,
ByVal e As System.EventArgs) Handles LoadProject.Click
Using ofdlg As New Windows.Forms.OpenFileDialog


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Asp.net - Getting Image Height And Width When Image Is Saved In Database

Mar 19, 2009

I save my images into my SQL Server Database with ASP.NET(2.0).

(imageData -> image) (imageType -> varchar) (imageLength -> bigint)

Thus the imageData will be "Binary data" and the imageType will be like "image/gif" and the imageLength will be like "6458".......

Is it possible to get the image HEIGHT and WIDTH from my VB.NET code inside my ASP.NET? I want to make my picture box on my web form the size of the actual image that is saved in my database.

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Changing Directory Names For Saved Solution?

Feb 7, 2012

I am on my second project. I made the mistake of trying to use my first project as a template thinking there was a 'Save All As...' which I found there wasn't.

I went through the whole project and now it is forcing me to use the folder names that everything is saved in from my first project and my professor wants the directories named a certain way.

If I try and change the names of the folders, then upon re-opening my solution I get errors because the directory has changed.

Is there a way for me to change the directory names and not have my program fall apart? Or re-direct it where to look after I change the folder names?

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Get Video Thumbnail From A Video File (from A Directory In Hard Drive)?

Jul 21, 2011

I would like to create thumbnails into a VB (2005 or 2010) form from video files.

I have a directory (in my hard drive) with video files (.mpg).

How to show video thumbnails for each video file?

My VB code (for images) is attached below and I want to convert it in order to manage video files.

Private Sub ThumbButton_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles ThumbButton.Click
Dim imagepath As String


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How To Create And Save Thumbnail For Specific File

Jul 27, 2009

Is there anyway to save a thumbnail of an image, then save it so that, when viewed through My Computer, the thumbnail is displayed for the file. Basically, what I mean is to do something similar to the way you can see a preview of a pdf file, or Microsoft Word file, or Microsoft Expression Design file. I want to be able to open the file's containing folder, then switch to thumbnail view, and the thumbnail will be displayed as the image for the file.

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Forms :: Created A New Icon And Have Saved It To The Project Directory

Mar 18, 2006

I have created a new icon using VB.NET and have saved it to the project directory. I then set the icon property for a form to point to my new icon file. The new icon shows up in the properties window but when the program runs, the title bar displays the default icon that you get when starting a new icon file rather than my new icon.

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Load Image From Directory; Specify Image And Its Directory Separately?

Jul 23, 2009

I know how to do this:

PictureBox2.Image = Image.FromFile("C:Documents and Settings1A.jpg")
But s here way to do something like this:
If category = 1 then


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VS 2008 - How To Copy Image For Directory

May 19, 2010

I'm trying to copy a image for a directory, that my program create if it doesn't exists. The directory is create successfully but the image isn't copy. The error is "couldn't find a part of path".

Here is my
Private Sub btImg_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btImg.Click
If Not IO.Directory.Exists("img") Then
[Code] .....

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VS 2008 Determine If An Image Is In A Directory Or Not?

Feb 2, 2010

Is this possible ? Im creating a desktop wallpaper changer using a timer to set a delay between images. the images im my directory folder is numbered from 1-15. If you look at the pic below theres an option to select how many images the user wants to display on the slideshow, if a user selects up to 15 thats fine. But what can i do if the user enters a number that exceeds the number of images in the directory.

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VS 2008 Inserting An Image To A Directory?

Feb 2, 2010

Is it possible to insert an image to a directory from my resources when i start my application?

Im using this to create a directory when the app starts.

Dim dir_name As String = "C:Wallpaper Changer"
If System.IO.Directory.Exists(dir_name) Then
Exit Sub


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Use Bmp.save To Create Some Thumbnail, It Works Fine For A While Then Stops Working?

Jul 20, 2012

I tried to use bmp.save to create some thumbnail, it works fine for a while then stops working,how to troubleshoot the problem? the code doesn't generate any error:

Dim bmp As Bitmap = WebsiteThumbnailImageGenerator.GetWebSiteThumbnail(address, 800, 600, width, height)        Dim ScreenshotPath As String = Request.PhysicalApplicationPath + "Screenshots"        Dim ScreenshotName As String = UserAccountDB.GetUserFullNameByUserLogon(User.Identity.Name).Replace(" ", "_") + Now.ToString("yyyy'-'MM'-'dd'-'HH'-'mm'-'ss") + ".bmp"        bmp.Save(ScreenshotName)        imgWebsiteThumbnailImage.ImageUrl = "~/Screenshots/" + ScreenshotName

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Create A Column Of Picturebox / Thumbnail, With A Specified Number Of Columns Inside A Form?

Mar 19, 2009

i would like to ask if how do i create a column of picturebox.. something like a thumbnail, with a specified number of columns inside a form.. the number of picturebox depends on a variable.. has anyone done this?something likeimage1               image2                image3image4               image5                image6

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VS 2008 Create A Directory And A Folder?

Feb 2, 2010

I want to create a directory and a folder , i have 2 textboxes.

Firstly i want to open and select a path and display it in textbox 1, then i`ll use textbox 2 too create the folder.

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VS 2008 Create Directory And Subdirectory?

Aug 18, 2010

How can i create a directory and subdirectorys?? for example how can i create the following directorys and subdirectorys:


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Delete A Saved Image From File?

Mar 18, 2011

I have a button which when clicked, saves an image of any format from a picture box to a file.I have tried to come up with a code which can open the same file and delete any selected image but to no success.

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Take A Saved .tif Image And Insert It Into A Pdf Template?

Dec 16, 2010

Is it possible to take a saved .tif image and insert it into a pdf template to imagefields?

I have this code already wrote which works great at inserting text into text fields on templates.

Dim reader As PdfReader = New PdfReader(formfile)
Dim outStamper As PdfStamper = New PdfStamper(reader, New FileStream(newfile, FileMode.Create))


When i try to use that same code only with an image file location going to the field It runs through and just turns up a black pdf file.

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Set The Image Property To A Certain Bmp Saved In The Resource Section?

Feb 27, 2006

I added 7 bmp files in the Resources tab of the Project Properties I have 7 PictureBox controls, for each control I set the Image property to a certain bmp saved in the Resource section.Everything was fine, however all of a sudden I got this warning message for each PictureBox

"The type 'My.Resources.Resources' has no property named 'lla_nodev'."lla_nodev represents the "lla_nodev.bmp" file I added in the Resource The worst thing is that the Form is unabel to load in the designer view, so cannot I modify it. The application is able to run though,with apparantely no problems in run time.

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Copying The File From One Directory To Another Directory By Create The Folder?

Feb 9, 2012

copying the file from one Directory to another directory by create the folder if that folder is not exists in destination directory.Example:

Source path: C: emp est1.txt
destination path: C:Data
if C:Data doesn't contains "temp" or "test" folder, it should create the folder before copy the 1.txt.[code]....

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Create A Directory Listing Of Every File Inside A Specified Directory

Jun 30, 2009

I'll tell you what I'd like to do which is to create a directory listing of every file inside a specified directory and then use a loop to upload each file in this directory to a remote folder via FTP.


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Datagridview & Picture Box - Croped Image Should Be Saved In Another Picturebox ?

Jul 2, 2010

I have image in datagrid view on clicking on that particular cell of datagridview the image in that particular cell must go in picturebox and the user crop the image in picture box as the user wants. then the croped image should be saved in another picturebox.

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Load An Image Using Only Its File Path That Is Being Saved In A Local Machine?

Jan 29, 2012

How to load an image using only its file path that is being saved in a local machine. Is it possible?

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VS 2010 Compare Pixel Range On Screen To A Saved Image?

Dec 1, 2011

We stream the BBC news channel through a laptop hooked to a PC in reception for our clients. Annoyingly the stream is interrupted randomly (the line isn't dropping, it's the BBC's problem). Therefore when it's interrupted we get an error screen appearing which we have to go and manually refresh to get the stream back playing.

My intentions are to build an app which will be run alongside (silently) the stream monitoring intermittently a range of pixels. If the range matches the error screen that I mentioned previously then I'd call "Esc" to exit the full screen and then "F5" to refresh the browser and finally a double click on a specified coordinate to bring it back to full screen.

Problem: I've been doing some googling and so far have only seen related posts where the comparison is between two saved images. Due to this I expect the answer to be "Take a screenshot every now and then, compare, return result".

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Show A Thumbnail Of A Webpage On A VB 2008 Form?

Jun 3, 2009

I need to show a thumbnail of a web page on a VB 2008 form. I have found a number of code snippets that mention something called an IViewObject which can apparently do what I need but the only examples are in C.

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Loading An Image Saved As Type 'Attachment' In An Access 2007 Database?

Jan 31, 2012

I'm having a problem that I've spent all day researching to try and figure out. It seems that the 'Attachment' type in an Access 2007 DB file is stored as three seperate pieces of data in the one field. If you open up the Relationships view, you can see it in the table itself.

I'm trying to do a simple DVD movie database to keep track of everything I have, and who I've loaned things out to. I'm doing this in part to further my education in VB.NET and to figure out some of the things involved with interacting with databases. I haven't actually written any code yet, read on and you'll understand what's going on.

I've got an Attachment field setup in the database to hold a picture of the movie poster or DVD cover art or something like that to help identify the film, and I named it 'Art' of type 'Attachment' since that will hold an image. Looking at the table in Access I see that 'Art' is broken down into three entries: Art.FileData, Art.FileName, Art.FileType. I'd like to be able to pull the filename and file type and display those on the form, but we'll get to that later.

When I use a drag-n-drop gridview of the database into my blank VB form, the Art field just shows the filename, in my case it's 'screenshot.png' since I just dumped a screen shot in as a test. So, the gridview on the form will see the field and display the filename, which is fine. If I do another Windows form and drag-n-drop a Details View (instead of the grid view), and have the Art field in the table set to a PictureBox (in the Data Sources view, you can highlight a field and then designate it as text or picture
or date or whatever), I end up with a blank box instead of my image.

I haven't typed any code into any of the forms at this point. I'm still in the Designer trying to get the layout and stuff the way I want it, afterwhich I'll start adding buttons and methods and such to search for things, print out a nice list of the films in the database (with and without pictures) and be able to sort out a list of who I've loaned things to (like an overdue book list). But so far, by just dragging and dropping from the Data Sources into the form, Studio automatically creates the dataset and bindings and such to read from the database file, and I can see all of my test data *except* for the image in the PictureBox (it's just blank/empty).

So, if you want to see what's happening and sort this out, then you need to do the following:

1. Create an access database with a table, that table having at least one field of type 'Attachment'

2. put a picture/image into that field as a first entry

3. in Studio (or in my case Express), create a new project, which'll have a blank form in it by default

4. create your database connection by using the 'Add new data source...' wizard for your Access DB file

5. from the Data Sources, expand the table views and change the attachemnt field from the default of TextBox to a PictureBox (you may have to Customize the types to get PictureBox to show up)

6. drag and drop that whole table onto your form, which will automatically create form elements to display the data and stuff

7. Run it, you'll see the problem.

I have no idea what I need to look at or edit or change to get this PictureBox to display the image from the database. Like I said before, if I leave the type set to the default of TextBox in the Data Sources view, then the field will display the filename of the file stored in that field of the database. Having not typed any code yet, I have nothing that I've done that I can edit other than the automatically created stuff that Studio did when I dragged the table into the form.

Being completely unfamiliar with how VB.NET wants to talk to a database (SQL server, Access or otherwise) I decided to create this little program to learn how to do it. But I ran into this problem and need a little help. What I'm looking for is what I need to change in the bindingSource or TableAdapter or TableAdapterManager or BindingsNavigator or whatever resource is binding the fields on the form to the entries in the database so that the PictureBox will get the part of my 'Art' field that actually
holds the image, not the filename or the type. I don't know how to do that, and that's what I'm trying to learn. What I would like to know is how to both get the image to display in the PicutreBox and pull the filename for that image as well to display beneath it or something in the form.

And before someone starts complaining about writing the whole program for me, I must say this is one element of a large personal project and if you read my entire post here you'll see that there are many other elements that will eventually go with it. I just need some help getting this one thing to work. Multiple web searches and such point to a variety of different approaches, many of
which I've tried to implement but nothing has worked. I'd like to do this entirely in .NET with no other dependencies if at all possible, but some of what I've seen so far today suggests using Interop and other things to make this work, but those haven't panned out for me either as of yet. My ultimate goal with this whole program is to have one (albeit probably large) executable file that will encompass the entire program, and to have it all work. After that, then I'll look into things like creating my own modules
and DLL's and such to thin it out, but I'm not even close to that point yet.

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Sep 18, 2011

When I use IO.Directory.CreateDirectory to create a directory it creates a read-only directory no matter where I make the directory.

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Create A Function To Extract The Filename And Number From Saved Files?

Apr 9, 2012

I'm trying to create a function to extract the filename and number from saved files where the filename and number is not known before hand. I successfully created this example but the file name in the example is hardcoded. My program creates backup files and numbers them starting a one. I want to extract the saved files and list them in a treelist by filename only.ie.. unknown filename 1, backup 1, saved file 1, saved file 2, here is what i have but it only retrieves the hardcoded filename.


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Winforms Checkbox Databinding - Create A New Record (without Having Saved The Previous)

Apr 17, 2010

In a winforms application (VB, VS2008 SP1) i bound a checkbox field to a SQL Server 2005 BIT field. The databinding itself seems to work, there is this litte problem: user creates a new record and checks the checkbox, then the user decides to create a new record (without having saved the previous, so there are 2 new records to be submitted) and checks also the second.


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VS 2008 SetPropertyItem To Create New Image Property?

Aug 9, 2011

I want to use SetPropertyItem to add a new property to an image ...

how can i create a new System.Drawing.Imaging.PropertyItem without first reading a property from an image and changing its values? as this seems somewhat counter-productive

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