I wrote a program in vb.net long time ago. I ran into a problem when I tried to programmatically delete a file. Every once in a while, I get an error saying: Error:mscorlib The process cannot access the file. Could anyone explain to me what causes this error.
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Im trying to make a program that loads the first image in a folder then shows it on the picturebox1 then the user will press next, and that image will be moved to a foder named viewed. I got the code to move but I get an error saying that image is being used in another application. Here is my
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As part of a review of my program on Softpedia, the Reviewer stated the following: If you call on a piece of software and it is not installed on your computer the application will pop up a nasty error message that may discourage beginners. Popping a dialog saying the reason of the error or that the software is not installed on the system would be a great fix.
View 5 RepliesHow do I fix it so that the program selected will be executed in windowed mode?
View 3 RepliesAfter "searching and trying" my problem is still alive.I read the topics about this problem but I can't escape from it.[code]...
View 14 RepliesUsing NPOI and attempting to follow a tutorial here: [URL]..I'm coming across an "Object reference not set to an instance of an object" error at this line: sheet.GetRow(1).GetCell(1).SetCellValue("some test value")
when trying to use this code:
Imports System.IO
Imports System.Web.Security
Imports NPOI.HSSF.UserModel
Imports NPOI.SS.UserModel
Imports NPOI.SS.Util
Imports NPOI.HSSF.Util
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Yet the question is still open...why didn't the code in the first example work? Do you have to declare every new row of data? What happens when you have lots of rows of database data?
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.
View 6 RepliesWhen i try to save a file with the same name as the existing file the message box pops up asking me if i want to replace the existing file. When i click yes the program crashes and this message come up An unhandled exception of type 'System.ArgumentException' occurred in system.drawing.dll.[code]
View 12 RepliesIn trying to open an access dataset I first click on add new connection and at the prompt enter a microsoft access database file. I click on test the connection and it says the connection is working. I click the next button and get the following error message: Format of initialization string does not conform to specification starting at index 0.
View 1 RepliesIDE: Visual Studio 2010
Library: .Net framework 4
Language: Visual Basic .Net
Type application: Windows form
Code:
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.PictureBox1.Image = Image.FromFile("C:UsersDimaPicturesvisualwebripper - Copy.png")
Dim InstImageList As New ImageList
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I'm, following the tutorial on creating your first program in Visual basic. I'm instructed to start a new project, and select windows form application. When I hit okay I get the following error:"Could not load file or assembly 'Microsoft.Build.Engine, Version 3.5.0.0, culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified."
View 1 RepliesWhen I attempt to drag a WMP control from the toolbox this error arises: [code]Has anyone had this problem? I was able to add this component previously, however this was on my desktop computer.
View 1 Repliesdelete a file that was previously used with PictureBox.Image = New Bitmap(PathName)?
View 2 RepliesI am trying to read a 16bit binary file (tif image) and pixel values of the image ranges from 1200 to 4500. I tried to use BinaryReader using ReadUInt16 but I get EndOfStreamException Unhandled error. ReadByte method works fine with an 8bit tif file. I do not know how to read a 16bit image file using binaryReader. Shouldn't I use ReadUInt16 since values of pixels range from 1200 to 4500?
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I have a form with a treeview and a listview. The treeview lists the folders on your system and listview shows the files in the selected folder, similar to windows explorer. I have a delete button for deleting files.
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When deleting multiple files a confirmation message box pops up for each file selected. I would like to have it come up once and ask 'Are you sure you want to send these 'x' files to the recycle bin?' where 'x' is the number of files selected.
When i upgrading visual basic 6.0 code to VB2008 by the tool of visual studioïTool->upgrade visual basic 6 code, an error arose.The following is the error message: "File I/O error:the given path's format is not support. Delete _vbsnipup directory and try again."
View 8 RepliesI have the login form glitch figured out, and now I'm wanting to make a system within the login form's code to check to see if the characters save file exists...
I have the save, load, and test load functions here as follows, and I want to figure out a way to make something test to see if both the character name and the password match a file and or see if they actually exist in that combination.[code]...
What I want, is for my text file to be read into the array named "CFiles()". Then once this is complete to delete the file But I get the error, The process cannot access the file 'C:UsersAndrewDesktopNew.txt' because it is being used by another process. On 3rd to last line. My code is below:
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What I want, is for my text file to be read into the array named "CFiles()". Then once this is complete to delete the fileButI get the error, The process cannot access the file 'C:\Users\Andrew\Desktop\New.txt' because it is being used by another process. On 3rd to last line.My code is below:
Public Class Form1
Dim File As String = "C:\Users\Andrew\Desktop\New.txt"
Dim CFiles() As String
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How can be find out which file is going to delete when, user provides command like DELETE or SHIFT + DELETE or by programmatically gives DELETE command. Well I know about FileSystemWatcher Class, but this class doesn't provide information before delete...
View 1 RepliesI have a form with a treeview and a listview. The treeview lists the folders on your system and listview shows the files in the selected folder, similar to windows explorer. I have a delete button for deleting files.
Dim i As Integer
For i = 0 To lv1.SelectedItems.Count - 1
Dim csi As CShItem = lv1.SelectedItems(i).Tag
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When deleting multiple files a confirmation message box pops up for each file selected. I would like to have it come up once and ask 'Are you sure you want to send these 'x' files to the recycle bin?' where 'x' is the number of files selected.
I have an XML file that looks like
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I am trying to delete the song node from the xml file but i can't figure out the cause of the error I'm getting. I'm still learning visual basics. Error: Object reference not set to an instance of an object. This is my code
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I created a project some time ago with VB5. However, now when I attempt to open it with VB5, I get the following error:etained" is an invalid keyI opened the project file with WordPad and the value of Retained = 0.hat this error means and how to correct it so that I can load the project?
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Whenever the textbox says "Default" and I click on the checkbox, the msgbox pops up twice. Any way to fix this?
I wanna make an application to monitoring lan PC webcams,i have a appwinstyle.hide application that acess to webcam and copies a frame from it 'gets a frame to clipboard
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I found this on MSDN and the issue never got resolved, but I figure it would give me an idea of where to start for creating a container to hold a set of files of varying file types. No compression is needed, so just something very simple.
Imports System.IO
Public Class Form1
Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
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I have this code:
Dim xx as image
xx = image.fromfile(Fileloc)
picturebox.image = xx
And i can't delete the file even though I've loaded it into a picture box. If I add this line:
xx.dispose the picture box becomes a big red X. I only want to delete the images when my application is closing (they are temp files). So shall I just dispose them before I delete them?
i mean, if i have an update button for inserting images and i have got another navigator which adds information to the database, how could i delete a selected row in sql server database...In dataset, i used to remove a specific row in database by doing:
me.customersbindingsource.removecurrent()
So, this one doesn't delete anything when the image is included.
1.
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I have got a listview and i added few items inside with a dustbin look-a-like image for remove item purpose. but now how do i make the user to click on the image n remove the item?i know how to remove the item with a button,but now would like to try using by image. anyone?
Here is the code i used for delete item with a button.
For Each lvItem As ListViewItem In ListView1.SelectedItems
lvItem.Remove()
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i am new to vb. i have created a program which has work areas/image areas. i can create as many as i like and i have created a code to delete a work area. but i cant delete more than one and i cant find out how to fix the problem i will post my code so you can see what i have out so far,
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