I have a program I made in vb.net express 2008 that used java.utils.zip to compress my work files to a Zip archive that I ran occassionaly to have a backup. I worked fine, but with net framework 4 and vb.net 2010 it doesn't work. So I modified it to use sharpziplib and it works fine if all files on the filter list in the folder are closed, but if I have a file open in OpenOffice writer, my program can't access it and won't create the zip file. The file that usually stays open all the time is my TODO list, that is updated several times a day , so usually gets printed, and updated( adding or deleting entries), without closing it.
I wonder if you can help. I have an intranet with about 2000 photos on it. A lot of these photos were not compressed when uploaded so can be upwards of 4 or 5MB in size.
Is there a script/tool I can run to go through the directory one image by one and automatically and compress each images to say 100k or percentage of the current file size, then save and close the file with the same name?
VB.NET 2003 or 2005 application program.i was trying to create an application program to compress some files using 7zip. when application program runs, need to browse and select the files need to be compressed and mention the name of the zip file and compress the file in that folder.i google for some help. i'm getting examples only in C#.Anyone know whether i can do this in VB.NET?
I'm just wondering if it is possible to create an vb.net application to compress files, without using a 3rd party app. If yes, can you please point me in the right direction, give me some tips, tutorials or sample code?
I have File Like "Sample.bak" and when I compress it to be "Sample.zip" I lose the file extension inside the zip file I meann when I open the compressed file I find "Sample" without any extension.
I use this code :
Dim name As String = Path.GetFileName(filePath).Replace(".Bak", "") Dim source() As Byte = System.IO.File.ReadAllBytes(filePath) Dim compressed() As Byte = ConvertToByteArray(source) System.IO.File.WriteAllBytes(destination & name & ".Bak" & ".zip", compressed)
Or using this code :
Public Sub cmdCompressFile(ByVal FileName As String)
'Stream object that reads file contents Dim streamObj As Stream = New StreamReader(FileName).BaseStream
[CODE]...
I need to compress the file without loosing file extension inside compressed file.
I like to compress the xmldata before the data is provided to the client as an excel file. I am trying to compress and deliver it as a .zip file. its not working Here's my code below. I tried compressing it, converting it to bytes etc etc. The issue with below code is, the XSL transformation is not happening properly and the output excel file is raw xml with some .net exception at the end. (that's what I see on the .xls file that's downloaded at the end) Before I started working on compression my below code was working fine that gives properly formatted excel file from the xml input. the excel file is so nice you can't even tell it was from XML.
How can i encrypt or decrypt only a part of a file? I try, and i keep getting an error message that says that the stream might be corrupt. By the way, it is ok to convert the text to a byte array using the system.text.encoding.ascii.getbytes() right? The reason i want to encrypt/compress only a part of a file is because i don't want to encrypt or compress the file header. That way the program can gather info about whether the file is compressed or encrypted.
I'd like to use WinRAR's dll file to compress files in vb.net.Is there any way this can be done? The only one I found was using the unrar.dll to uncompress files. Also, I'd like to know how to implement WinZIP's dlls to compress files as the zipfldr.dll does not achieve very high levels of compression and encryption.
I have a menu with a lit of mp3 files, once I click on a name it should open and run mp3 file using the default player (example windows media player), I searched and found how to do that but within the application which I don't want.
I have referenced this thread and the website it points to:pening a file in my application from File ExplorerAs of now, I can't get My.Application.CommandLineArgs to work properly. Any time I select an file to open in my program I get a windows error forcing the program to close. I only want to get the file path from My.Application.CommandLineArgs and pass it to a function that will then parse the file (a text file of various extensions, even if it is not associated with my program) and display the contents in a RichTextBox.My function to open the file is complete and works, but if I try to use My.Application.CommandLineArgs on a file the program crashes immediately.here is the code I'm trying as a test:
Private Sub ParseCommandLineArgs() If My.Application.CommandLineArgs.Count > 0 Then MessageBox.Show(My.Application.CommandLineArgs(0))
I have A program which contains a combo box that has a value which is a link to a local file. I want the user to be able to open this file when they click a button.
Previously I have done this in VBA using Application.FollowHyperlink Me.txtAuth. Is there a way to do this in VB.NET?
The target file is a .TIF I've read a bit on using a file browser to complete this but I want it to open the file selected on the form.
I'm a relative newcomer to VB.NET so please forgive any lack of knowledge.
I'm writing a web application that lists the contents of a directory in a listbox and then (in theory) opes the file that the user clicks on.
What I'd like to do is open the listed file in it's associated application (so if it's an excel file, open excel; if it's a notepad file, open notepad).[code]...
I have made a form that exports to xml and refer's to a xsl sheet to open into html format. Now what I want to do is build this program with these xml and xsl files in it. I also want the user to push submit and the xml inside the build opens up.
I understand the Diagnostics.Process.Start but for some reason its not referring to my xsl file its just loading all the values in order. My question to yall is how do i set a path inside my application for the xsl and xml to refer to each other.
Is it a dll i need to compile if so any guidance their. Im a beginner and am still learning.
I have an application which read data from Excel sheets when I drop them into one of apps forms.Is it possible to write an app. with which I will be able to use "Open file with", and the result will be the same as when I drop a file into a form?And is it also possible to add this option to the context menu strip of files with specified format?
Supose User Start My Application First Time The Text file Creat automaticly With The name Of "MyLog1.txt" if User Run Again AFter Closing !!! I want to Creat a New File Like "MyLog2.txt" it mean if User have still open My application then My App. Replace text in same file. BUt If you CLose Application and Run Again Then My App. Must be creat a NewFIle With The Different Name...
I created a VS2010 application that stores data in xml files with a custom extension (e.g. ".ABC") I would like to be able to open an .ABC file and have the application launch with the specific file's data loaded. This is analogous to opening a Word doc and having Word open with the doc loaded. I have searched for a while but can't even think of a phrase that explains this process. Nothing seems to match "You know . . . that thing that happens when you double click on a data file".
I would like to open a file in an application using vb.net 2008. I am unsure which namespace to use. I do not want to assume it is the current associated application. I believe there should be a way to... Dim app as something Open a file in that app
I need to open any kind of file with its respective application from vb.net code, just like when we double click a file in windows it gets opened with its appl,like a WORD file with MSWORD, .xls file with MSEXCEL etc
I am trying to write a code to save and open data that is in my application. My application contains hundreds of text boxes, combo boxes and labels. I have created an array for each set of data, i.e.,
glist(0).store=combobox1.value glist(0).cat=combobox2.value glist(0).it=label3.text glist(0).quan=label4.text glist(0).total=label5.text up to glist(89).
Is there a way to write a code to loop through the array and save the values so that they can be opened at a later time in my application? The array will contain Doubles and Strings.
Dear Expert, Why firefox browser always try to open my file after I published my VB application. This things happen in VS 2008? If anyone out there has the same problem like me. I have this problem since I installed firefox. If firefox has a problem with its browser when we use Microsoft Visual Studio? Do I need to set anything in my VS 2008 to avoid this thing happen?
