Updating A Progressbar While Extracting Zip Files?
Mar 24, 2012
I would be grateful if someone can help me with this task. I am trying to extract a zip file and update a progress bar as it is being extracted to the d: drive. I assume the progress bar has to be set to the size of the text.zip file and update the progress bar incrementally but not sure how to actually implement it. I have it in a "do Loop" but it does not seem to be correct. If anyone feel like helping I would be grateful for that.
[Code]...
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Apr 19, 2011
I am using a progressbar control in a splash screen.
In my code I am updating the progress bar value with each step -
In Form_Load of the main (hidden) form:
frmProg.UpdateProgress(10, "Checking Connection String")
CheckConnectionString()
frmProg.UpdateProgress(20, "Checking Crystal Reports OCX Files")
CheckOCXVersions()
[Code]....
Is there some event I can use to find out when the progress bar has finished redrawing?
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Nov 22, 2011
I wrote a function that returns the number in a particular field, my issue at the moment is how to update that field before i return the previous value i collected from the field. i am seeking any guidance available. Enclosed is the function i wrote.
Function GetTransactionNumber() As Int64
Try
GConn.ConnectionString = GConnstr
[Code].....
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Mar 24, 2010
I have got this module which copies a specific folder and all files inside it.[code]...
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Jun 12, 2011
I want to use a progressbar to show that I'm retrieving the records from the database so that the user wont be confuse if the program is still running or not. Here's my code.
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
cs = "Initial Catalog = KRADB; Data Source = .; User id = lab; Password = 'clrscr2010'"
sqlcon = New SqlConnection(cs)
sqlcon.Open()
[code]....
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Mar 8, 2010
I have a windows form with a progress bar and a button to start/stop the process. I am performing some action when clicked on 'Start' and updating the ProgressBar accordingly and its working fine. But when I try to click on the 'Stop' button when the process is going on, I couldn't access the Window. If I click for multiple times, I am getting (Not Responding) on the titlebar.
Then, I created a thread and run the function (which performs my task and update the ProgressBar) in it. I am getting an error that it could not access the control which is created in another thread.
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Jan 3, 2006
Im trying to extract predominately table data from a PDF file, however, I would also like the option to extract image files (such as graphs, etc) as well.Is it possible to extract data from PDF files using a VB.Net application? Im trying to get this process as automated as possible, so Im trying not to use 3rd party applications such as pdf file convertors or in-line pdf readers.
Are there any free, or relatively cheap PDF data capture API's/code snipets that I can use to import data from a PDF file? Another option is to export PDF data/images into an excel spreadsheet. Is there a .Net tool that will allow this?
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Feb 5, 2011
I'm trying to identify a specific string within a text file, and then extra a couple of bits of information that follow from that.
Example snippet from text file:
>Date 5.3: Tech Manual {30201}
Freya Plumes (30201) - 1
mu
These are made from brightly coloured. I want to be able to find where it says "Tech Manual", and then assign "Freya Plumes", "30201" and "1" to variables for manipulating and exporting to another file. There will be many instances from the same text file with similar information, so I'd need the extracted strings popped into an array for later referencing.
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May 6, 2009
1. allow the user to specify a folder in which to find a specific text files,
2. to read a few specific numbers within each of those few text files, (eg. in txt file A, #A = '1', in txt file B, #B = '2', etc)
3. place those numbers into multiple comboboxes, (eg '1' into CB1, '2' into CB2, etc)
4. allow the user to change the number from the combobox drop down list, (eg CB1 change to '2', CB2 change to '1', etc)
5. Click to overwrite the old numbers in the text file with the new numbers and save the text files
My main problem is no. 2, how do I read a specific string in the text file and display it in the combobox?(Win XP, MS Visual Basic 2008 Express Edition with sp1)
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Apr 8, 2009
How could I go about doing this if I can? Storing files into an application compressing them and then extracting them?
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Jul 24, 2009
I was able to extract icons from the current running processes and then put them into a ListView.
I am trying to do the same with files in a specified directory:
vb.net
[Code].....
When I use this code, I get an error stating: "'MainModule' is not a member of 'System.IO.FileInfo'." If I remove the very first line of the sub that specifies the directory, that error obviously goes away.
So, is there another method of extracting the icon? Or must I declare the directory in another way?
I'm getting ready to check MSDN to see if I can something withing the FileInfo Class,
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Jan 21, 2011
I'm looking for free codes to create a Multiuploader files with a ProgressBar.
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Nov 20, 2009
I've got a progressbar in my form that I want to increase the value of in increments based on number of files in a folder. I guess this is pretty basic, but this kind of programming is pretty new to me. So I've got these lines of code:
[Code]...
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Nov 11, 2011
I just have 1 listbox which got link in there. How can I download each file using background_worker + progressbar(current file download)?
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Nov 7, 2009
I was just wondering how to extract or parse any particual tags (whichever I specify) from webpages. I know how to extract text and links from webpages, but I tried to use the same method from the following code for div tags, title tags etcetera and it doesn't seem to work:
[Code]...
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Jul 28, 2010
I'm downloading 3 files from the server using wClient, which goes ok, but I was wondering if the progressbar% is correct.
vb.net
Private WithEvents wClient As New WebClientPrivate WithEvents w2Client As New WebClientPrivate WithEvents w3Client As New WebClient wClient.DownloadFileAsync(New Uri("http://...w2Client.DownloadFileAsync(New Uri("http://...w3Client.DownloadFileAsync(New Uri("http://...' progressbarPrivate Sub wClient_DownloadProgressChanged(ByVal sender As Object, ByVal e As
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Dec 5, 2010
So as it says in title i need to copy several files from one folder to another. But i dont need to copy folder with files. i need to copy several files to another folder..
And show progress in progressbar.. is there a way how to do it, cos i found only how to copy 1 file showing progress..
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Apr 25, 2012
I have been working lately on a program who extracts URl Source codes!The program does work with most of URL but not for MEdiafire URL!When i check the source code from the web browser i can see there is some code missing;y tried diferrent types of Encoding.
Example:This is the final source code extracted from WEBBROWSER(Firefox,InternetExplorer,GoogleCrome)
--------------------------------------------------------------------------------------------
<div class="mf_lightbox_btns lb-footer" style="text-align: right;">
<a href="javascript:void(0);" class="secondary btn" onclick="$('body').removeClass('has-virus'); return false;">Dismiss Message</a>
<a href="http:www.bitdefender.com/mediafire/fix-it.html" target="_blank" class="alt btn">Get BitDefender</a>
[code]....
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Apr 26, 2011
way to update my application executable, and a few other application files for a simple application updater that I am using in my application. The code updates the files (including the executable, manifest, and a few other files), but on Windows Vista and Windows 7 machines you must run the application as Administrator in order for it to update the files in the application folder.
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Dec 21, 2009
in vb 2008 or higher :how do i make the progressbar look like the progressbar in xp when i use win7?
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Feb 27, 2010
how can i create and update mdb [ access ] files in visual basic 2008..and also if i have a dll library how can i get all of its syntax for using it in visual basic?
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Jul 25, 2009
I need my application to update as it is on multiple computers. Will the program update and work if I just replaced the files in the application startup folder with the files from the newer version's application startup folder?
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Apr 11, 2009
I have tried everything.but im not able to insert updat and delete the excel file..im able to connect the excel sheet.the connection also seems to be opened...here s my connection string:
Dim sConnectionString As String
Const kunal = "C:"
sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
[code].....
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Dec 10, 2011
I am currently trying to develop an application which will backup large folders to a specified destination. To find all the files in the specified 'backup' directory I am using the following code.
[Code]...
I have tried putting my GetFilesRecursive function into a separate background worker to run first so I can update the GUI however I am struggling on how to return the List of found files back to my application (I get cross-threading exception) and how to update the progress bar to show the progress of the GetFileRecursive function so the user knows it is processing the list of files and has not crashed/frozen.
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Jan 25, 2012
I have a webpage with a form that is used to edit some object. This object contains a Collection of other objects defined like this: Public Overridable Property Employees As List(Of Employee)
On a form I can delete an employee, add a new one or modify existing one. When I click save new values are sent to the server. On a server I check if the user exists. If exists then I modify its values, if it does not exist then I add it. All employees that exist on the server and were not sent are marked as deleted (State changed to EntityState.Deleted). I try to use the following code (dbCollection = database entities, newCollection = collection sent from the form):
[Code]...
This code does not work, because changing to EntityState.Deleted removes the object from collection, and for each loop breaks, since the collection is modified...I know that I can overcome this problem by using a for loop or adding objects to delete to some other list first, but I hope maybe there is a pattern that would make my code nicer.
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Feb 8, 2011
I have the following code to extract the last name from any given name, but i aint getting it right. Pl help.
Dim i, l As Integer
Dim it2 As String
it2 = ""
i = 1
[code]....
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Jul 20, 2011
I've been having problems extracting the value of a Regex in a String. I have a string with several regex expressions and I need to get the value of each expression's match. The thing is though, it's not returning the last match correctly. For example:
Regex Pattern: I play (S+.*?) and (S+.*?)
String: I play the guitar and the bass The program is returning the value of the first expression as "the guitar" but it's returning the value of the second expression as "the" instead of "the bass".
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Nov 26, 2009
I have a string that looks like this:
var expression = @"Args("token1") + Args("token2")";
I want to retrieve a collection of strings that are enclosed in Args("") in the expression.
How would I do this in C# or VB.NET?
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Jun 7, 2010
Does anyone know of a way that you can get the string that is held at this reference point (its the contents of a registry value that corresponds to a string - see this thread for more info [URL]
@%Systemroot%system32wbemwmisvc.dll,-204
I think I've seen C# (or maybe C++) code use lines like this but I cant find any way of getting the value from the DLL in VB.NET
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Feb 14, 2011
I am trying to test bit 7 (87654321) in the byte DB2 to check if its true. The below code does not seem to be working:
If DB2 And &H40 = &H40 Then Label1.Visible = True
If DB2 And &H40 = &H0 Then Label1.Visible = False
TextBox6.Text = Hex(DB2 and &h40)
I do see the value of DB2 changing from &h00 to &h40 in the textbox, but when evaluating in the two if statements, it never evaluates to true (for testing, the only possible values for DB2 right now are &h00 and &h40)
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